What's New
The newest tools and improvements added to BroBroGo, with the most recent first.
Dead Pixel Test
Dead Pixel Test
Walk a guided sequence of fullscreen colors, gray fields, and fine patterns to spot dead, stuck, and hot pixels — and mark each suspect dot to log it for a warranty claim.
Touchscreen Test
Touchscreen Test
Touch, drag, and add fingers on the test pad to see every contact point and its trail, count simultaneous touches, and hunt down dead zones and ghost touches.
Mouse Button Test
Mouse Button Test
Click, scroll, and move inside the test area to see every button and wheel event — and catch a switch that skips a press or double-fires on its own.
Keyboard Test
Keyboard Test
Press any key to see its event codes, modifier and repeat state, and confirm every key on the board registers.
Microphone Test · Speaker Left/Right Test
Microphone Test
Check your mic’s live input level, mute state, and selected device before a call.
Speaker Left/Right Test
Play a tone through each side to confirm your left and right channels are wired correctly and evenly balanced.
Road Trip Fuel Cost Calculator
Road Trip Fuel Cost Calculator
Estimate the fuel cost of a multi-leg drive from your real fuel economy and the local pump price — with a planning range, per-person share and CO₂.
Flight Great Circle Distance Calculator
Flight Great Circle Distance Calculator
Measure the great-circle leg between two airports — km, miles and nautical miles, true-north bearings, midpoint, and a flight-time estimate with every assumption on the table.
Cargo Volumetric Weight Calculator
Cargo Volumetric Weight Calculator
Weigh a shipment against its size: per-piece volumetric weight, chargeable weight and density under air, express, road, ocean and US parcel rules.
Air Density Altitude Calculator
Air Density Altitude Calculator
Turn elevation, pressure, temperature and dew point into density altitude, pressure altitude and true air density, with every step shown.
Geodesic Distance Calculator
Geodesic Distance Calculator
Measure the shortest surface path between two coordinates — distance on the WGS84 ellipsoid, initial and final bearings, and the midpoint.
Show older updates
Voting Method Comparator · Recipe Scaler · Paint Coverage Calculator
Voting Method Comparator
Run one ranked-ballot scenario through five counting rules and see exactly why the winners differ.
Recipe Scaler
Double, halve or resize a recipe to any serving count. Every quantity comes out in cooking-friendly fractions, and the ingredients that don’t scale linearly get flagged.
Paint Coverage Calculator
Turn measured walls, coats and label coverage into whole packages, spare paint and an estimated cost.
Incidence & Prevalence Calculator · Population Pyramid Generator · Genealogy Relationship Calculator · Syllable Counter · Housing Affordability Index Calculator · Citation Style Converter · Music Tempo Delay Calculator
Incidence & Prevalence Calculator
Turn case counts and populations into cumulative incidence, person-time incidence rate and point prevalence — with the denominator behind every measure in plain view.
Population Pyramid Generator
Turn age and sex counts into an interactive population pyramid with dependency ratios, median age, and a shape reading.
Genealogy Relationship Calculator
Turn two paths to the same nearest common ancestor into a clear family relationship and a traceable derivation.
Syllable Counter
Count syllables by word and line, with uncertain results marked for review.
Housing Affordability Index Calculator
Compare household income with the income needed for a median-priced home, see the full monthly cost and audit how the index changes with the rate and down payment.
Citation Style Converter
Format known source details as an in-text citation and reference without filling in facts you did not provide.
Music Tempo Delay Calculator
Convert BPM and rhythmic note values into delay times and cycle rates, with a complete timing table.
Sleep Cycle Calculator · VO₂ Max Calculator · PHQ-2 Depression Screening · Arithmetic Worksheet Generator
Sleep Cycle Calculator
Time your night around complete 90-minute sleep cycles, so the alarm catches you in light sleep instead of deep sleep.
VO₂ Max Calculator
Turn a Cooper 12-minute run or Rockport 1-mile walk into a VO₂ max estimate, with the formula, working and study range in view.
PHQ-2 Depression Screening
Answer the two public PHQ-2 questions for the past two weeks, total the 0–6 score and read what the common follow-up threshold does — and does not — mean.
Arithmetic Worksheet Generator
Build a reproducible addition, subtraction, multiplication or division worksheet with a separate answer page.
Pediatric Dose Unit Converter · Pregnancy Due Date Calculator
Pediatric Dose Unit Converter
Convert a dose that a clinician already set between mcg, mg, g, mL and more — with every step of the math shown.
Pregnancy Due Date Calculator
Estimate your due date from your last period, a conception date, an IVF transfer or an ultrasound — with the formula and every step shown.
Plant Growing Degree Days Calculator · Concrete Volume Calculator · Green Building Certification Lookup · Population Genetics Drift Simulator · Earthquake Epicenter Triangulation Calculator · Bernoulli Equation Calculator · Road Superelevation Calculator · Pipe Slope Calculator
Plant Growing Degree Days Calculator
Turn daily minimum and maximum temperatures into an auditable daily and seasonal heat total, with crop thresholds, units and every adjustment shown.
Concrete Volume Calculator
Build a pour schedule from rectangular, solid round and hollow round sections, then see net volume, ordering allowance, unit conversions and every substituted formula.
Green Building Certification Lookup
Choose a certification path and target level to see its scoring threshold, mandatory requirement structure and project scope.
Population Genetics Drift Simulator
Follow reproducible Wright–Fisher allele-frequency paths and compare fixation, loss, and remaining variation across repeated populations.
Earthquake Epicenter Triangulation Calculator
Fit an earthquake epicenter from three to eight stations using latitude, longitude and S−P intervals, with spherical distances, residuals and timing uncertainty.
Bernoulli Equation Calculator
Balance pressure, speed, elevation, pump head, turbine head and losses between two flow sections, with units and every energy term shown.
Road Superelevation Calculator
Size the banking for a road curve from its speed and radius — with the friction check, minimum radius, advisory speed and transition lengths.
Pipe Slope Calculator
Solve pipe grade, total fall or horizontal run, convert the result into field units, and check it against a clearly identified project or 2024 IPC reference slope.
Gear Ratio Calculator · Taper Angle Calculator
Gear Ratio Calculator
Build a one- to six-stage external gear train and trace its ratio, shaft speed, direction, torque, efficiency losses and design-torque check from input to output.
Taper Angle Calculator
Turn two diameters and a length into the half angle, taper ratio and taper per foot — or solve backwards for a missing dimension.
Network Latency Bandwidth Calculator · Feeds & Speeds Calculator
Network Latency Bandwidth Calculator
Enter a link rate, round-trip time and transfer size to see a single TCP flow’s real ceiling — with the bottleneck named, the transfer time and every substitution.
Feeds & Speeds Calculator
Pick the workpiece material, cutter diameter and flute count to get the spindle speed and feed rate to program — with chip-thinning and spindle-limit corrections worked out step by step.
Transmission Line Impedance Calculator · ADC Resolution Calculator
Transmission Line Impedance Calculator
Enter the line, its load and the frequency, and read the impedance at the input, the VSWR and the standing wave along the line, with every substitution shown.
ADC Resolution Calculator
Enter an ADC’s bits and reference voltage to get its step size, quantization error and ideal SNR, convert between volts and codes, and follow every substitution.
DNA Reverse Complement · Nernst Equation Calculator · Chemical Equation Balancer
DNA Reverse Complement
Reverse, complement or reverse-complement a DNA or RNA sequence — ambiguity codes and letter case preserved.
Nernst Equation Calculator
Calculate an electrode or cell potential from E°, temperature and Q, or build Q species by species with every contribution and substitution shown.
Chemical Equation Balancer
Find the smallest whole-number coefficients, then verify every element and explicit charge on both sides.
What Is My IP · Arrhenius Rate Calculator · Chromatography Resolution Calculator
What Is My IP
See the public IP address this connection is using, with the network, region and edge details visible from it.
Arrhenius Rate Calculator
Calculate a rate constant, recover activation energy from two measurements, or project a known rate constant to another temperature with every substitution shown.
Chromatography Resolution Calculator
Enter two peaks’ retention times and widths — or the column’s dead time, retention times and plate count — and get the resolution Rs, the separation verdict, and the named formula with your numbers substituted.
Telescope FOV Calculator · DNA RNA Sequence Converter
Telescope FOV Calculator
Exact field of view from your camera sensor and focal length, framed to scale against the Moon and deep-sky objects.
DNA RNA Sequence Converter
Convert DNA to RNA or back to DNA — coding or template strand, ambiguity codes kept.
Paper Weight Converter · Blackbody Radiation Calculator · Doppler Effect Calculator · Collision Lab · Monitor Test Suite
Paper Weight Converter
Convert paper weight between g/m², US pounds for every grade, and Japanese ream weight, and see the same sheet written out in all of them.
Blackbody Radiation Calculator
Enter a temperature — or a measured peak wavelength — and read off where the thermal spectrum peaks, how much power it radiates, and the Planck curve behind it.
Doppler Effect Calculator
Choose the medium, set the source and the observer in motion, and get the shifted frequency with the pass-by and the wavefronts drawn in.
Collision Lab
Set two balls in motion in one or two dimensions, choose how bouncy the impact is, and watch velocity, momentum and kinetic energy before and after they collide.
Monitor Test Suite
Check any screen with fullscreen test patterns — dead pixels, backlight bleed, banding, gamma, ghosting, refresh rate and more.
Linear Regression Calculator · Survey Weighting Calculator · Boolean Algebra Simplifier · Net Present Value Calculator · CPM, CPC & CTR Calculator · Center of Mass Calculator · Invoice Generator · Rental Property Cash Flow Calculator · Auto Loan Calculator
Linear Regression Calculator
Fit a least-squares line to paired data and read its slope, R², p-value, confidence intervals, residuals and predictions in one place.
Survey Weighting Calculator
Rake respondent data to known population margins, then inspect every final weight, target residual and effective sample size.
Boolean Algebra Simplifier
Reduce any Boolean expression to its minimal sum of products and product of sums, with every prime implicant and a row-by-row truth table check.
Net Present Value Calculator
Build a cash-flow timeline, choose the discount rate, period and tax treatment, then trace every amount into its present value and compare rate scenarios.
CPM, CPC & CTR Calculator
Audit campaign spend, impressions and clicks, or translate CPC and CPM through an expected CTR — with formula substitutions and adjustable scenarios.
Center of Mass Calculator
List what each piece weighs and where it sits, and see the balance point with the weighted sum behind every axis.
Invoice Generator
Build an itemized invoice draft with live totals, your chosen tax rate and a clean print-ready preview.
Rental Property Cash Flow Calculator
Reconcile rent, vacancy, operating costs, financing and optional tax assumptions to see monthly and annual cash flow, key ratios, formulas and income scenarios.
Auto Loan Calculator
Build the full vehicle deal from price, down payment, trade-in, tax and fees, then see the monthly payment, total interest, formula and repayment schedule.
Significant Figures Calculator · Polynomial Root Solver
Significant Figures Calculator
Count the significant figures in any value, round to a chosen precision, or evaluate + − × ÷ expressions with the rounding rules shown step by step.
Polynomial Root Solver
Find every real and complex root of a polynomial from an expanded expression or coefficient list, with residuals and convergence checks.
Chord Finder · Fourier Series Calculator · Book Spine Width Calculator · Graph Paper Generator · Quadratic Equation Calculator · Z-Score & Standard Deviation Calculator
Chord Finder
Identify chords from note names or a six-string guitar fingering, with intervals and inversions.
Fourier Series Calculator
Enter a periodic function or up to five pieces to calculate Fourier coefficients, inspect the partial sum, and compare the reconstruction.
Book Spine Width Calculator
Estimate a book spine from page count and printer-supplied PPI or sheet thickness.
Graph Paper Generator
Design custom graph paper with your grid, colors and margins, then download it true to size.
Quadratic Equation Calculator
Solve ax² + bx + c = 0 from three coefficients or from the whole equation, with exact and decimal answers.
Z-Score & Standard Deviation Calculator
Paste a data set to get its mean, standard deviation and per-value z-scores, or solve z = (x − μ) / σ for one unknown with normal-curve probabilities.
Decision Matrix Builder · ISO Language Code Explorer · Font License & Info Checker
Decision Matrix Builder
Score options against weighted criteria and watch the ranking, weight shares and flip points update as you type.
ISO Language Code Explorer
Search the complete dated ISO 639 reference by code or language name, then trace how Set 1, Set 2 and Set 3 relate.
Font License & Info Checker
Open a local font to read its embedded names, license text and document-embedding flags — as file evidence, not proof that you hold a license.
Aircraft Mode S Code Decoder · Container Number Checker · Global Phone Formatter & Geolocation Checker · Global Bank Identifier Lookup · Coin Flip · International Sports Country Code Decoder · DOI Citation Generator
Aircraft Mode S Code Decoder
Turn a six-digit Mode S hex address into its ICAO allocation block, bit prefix, range and block position.
Container Number Checker
Break an ISO 6346 container number into owner code, equipment category and serial, and verify its check digit as you type.
Global Phone Formatter & Geolocation Checker
Format a phone number, check its published length and prefix rules, and see any public allocation area.
Global Bank Identifier Lookup
Check a BIC/SWIFT format, read each code segment and look for an exact institution match in a dated open reference snapshot.
Coin Flip
Customize both sides, flip once or in batches, and follow the running split, streaks and ordered history.
International Sports Country Code Decoder
Decode any Olympic, FIFA or ISO country code — or search a team name — and see all three systems side by side.
DOI Citation Generator
Turn a DOI and the article details into a ready-to-paste citation in seven styles.
IPIP Big Five Personality Test · Ecological Footprint Calculator · APK Info Viewer · Webcam Test · Privacy Policy Checklist Generator
IPIP Big Five Personality Test
Rate 50 short statements and see how you describe yourself across the five major personality traits — openness, conscientiousness, extraversion, agreeableness and emotional stability.
Ecological Footprint Calculator
Ten quick questions about food, home, travel and shopping become an estimate of how many Earths your lifestyle would need.
APK Info Viewer
See what an Android app package declares — version, permissions, components, and signing certificates — before you install it.
Webcam Test
Check your camera’s live preview, resolution, and frame rate.
Privacy Policy Checklist Generator
Map what your site collects, uses and shares, then turn gaps into a policy review checklist.
BMR & TDEE Calculator
BMR & TDEE Calculator
See how many calories your body burns at rest and over the whole day, from your weight, height, age and activity.
CS2 eDPI Calculator
CS2 eDPI Calculator
Enter your mouse DPI and CS2 sensitivity to see your eDPI and the distance for a full 360° turn.
DKIM Record Checker · Robots Crawl Budget Estimator · DMARC Record Checker · Email Deliverability Checklist · TLS Cipher Suite Checker
DKIM Record Checker
Paste a DKIM TXT record to inspect its version, key type, public key, services and quoted DNS chunks.
Robots Crawl Budget Estimator
Compare crawl demand with a server-safe daily capacity estimate.
DMARC Record Checker
Parse a DMARC TXT record to review policies, alignment, report addresses, percentages and invalid tags.
Email Deliverability Checklist
Review your sending domain, authentication and sending practices, then get missing items and verification steps.
TLS Cipher Suite Checker
Paste a TLS scan or handshake summary to explain the negotiated protocol, cipher suite and legacy algorithms.
HTTP Redirect Trace Tool · Webhook Request Inspector · Social Bio Character Counter · Email Signature Generator · Calendar Event Link Generator · WebSocket Test Client · CORS Checker · DNS Propagation Checker · SPF Record Checker
HTTP Redirect Trace Tool
Paste redirect headers or a URL chain to see every hop, resolved Location target, loop, HTTPS downgrade and missing destination.
Webhook Request Inspector
Paste a webhook method, headers and body to inspect the request and build a copyable test command.
Social Bio Character Counter
Check a profile bio against current limits for Instagram, TikTok, X, Threads and Bluesky.
Email Signature Generator
Create a responsive email signature from your name, job title, phone, email and links. Preview wide and narrow layouts, then copy the HTML.
Calendar Event Link Generator
Fill in one event and get ready-to-open Google and Outlook links plus a downloadable ICS file.
WebSocket Test Client
Enter a WebSocket address, connect on demand, send text messages, follow sent and received data, and see the close code, reason and connection state.
CORS Checker
Check whether a pasted response allows a specific browser origin, method and request headers.
DNS Propagation Checker
Paste DNS answers from multiple resolvers and compare record types, TTLs and values side by side.
SPF Record Checker
Paste an SPF TXT record to break down its terms, estimate DNS lookups and spot syntax or policy risks.
New podcast publishing and media timing tools now check feeds, build video chapters, resync subtitles and inspect audio waveforms. A new contact file generator also creates downloadable vCard files.
YouTube Chapter Generator added
Enter the video length, start times and titles, catch timing mistakes and copy a chapter list ready for the video description.
Subtitle Time Shift Tool added
Import or paste SRT or VTT subtitles, move every cue by a positive or negative number of seconds or a timecode, check timing order and download the result in the same format.
Audio Waveform Viewer added
Open an audio file to see and play its waveform, zoom into the timeline, and measure a selected range with precise start, end and duration.
Podcast RSS Validator added
Paste podcast RSS XML to find malformed markup, missing channel or episode fields, audio <enclosure> problems and invalid publication dates, with the location of each fix.
RSS Feed Validator added
Paste RSS 2.0 or Atom 1.0 XML to detect the format, review parsed entry fields, and find malformed markup, missing requirements, and link references that cannot be resolved.
vCard Generator added
Enter a contact name, phone, email and address, check each field, choose vCard 3.0 or 4.0, and download a .vcf file.
Search setup tools now cover language links, canonical URLs, structured data and redirects.
Hreflang Generator added
Enter each localized URL, verify language and region codes, and copy a complete rel=alternate tag set with x-default.
Canonical Tag Checker added
Enter a public page URL to find its canonical, follow redirects and compare the result with both the final page and the address you entered.
Schema Markup Generator added
Fill in FAQ, product or how-to details, check the required fields and copy a complete JSON-LD script.
Redirect Rule Generator added
Import source and destination URL mappings from CSV, choose 301 or 302, and copy ready-to-use rules for Nginx, Apache or Vercel.
New time, math, finance, CSS and search setup tools landed this update.
XML Sitemap Generator added
Add page URLs and optional crawl details, include hreflang alternatives, then copy or download a protocol-ready sitemap.xml.
Salary to Hourly Calculator added
Enter annual or monthly salary, weekly hours and work weeks to see the equivalent hourly, daily and weekly pay.
Markup & Margin Calculator added
Enter a cost and selling price, or set a target markup or margin, to see the profit and convert between both rates.
VAT, GST & Sales Tax Calculator added
Add tax to a net amount, or work backwards from a tax-inclusive total to see the net amount and tax portion.
Break-Even Calculator added
Enter your fixed costs, price per unit and variable cost per unit to see the units and sales you need to cover your costs, with the contribution margin per unit and margin ratio.
ROI & Payback Calculator added
Enter an initial investment and the net profit it earns each period to see how long it takes to pay back and its annual return on investment.
APR & APY Converter added
Convert a nominal APR into its effective APY — or back again — for any compounding frequency from yearly to daily or continuous, with the rate per period and the extra yield compounding adds.
Mortgage Calculator added
Enter a home price, down payment, interest rate and term, add property tax and home insurance, and see your full monthly payment broken down alongside the total interest over the loan.
Loan Amortization Calculator added
Enter a loan amount, annual interest rate and term to see the monthly payment, total interest and total cost, plus a full schedule showing how each payment splits between principal and interest.
Compound Interest Calculator added
Enter a starting amount, a regular deposit, an interest rate, a term and how often it compounds to see the future balance, everything you put in, and the interest earned — with a year-by-year breakdown.
IPv4 Subnet Calculator added
Enter an IPv4 address with CIDR or a subnet mask and get the network address, usable range, broadcast address, wildcard mask and host counts.
Weekday Calculator added
Pick a date to see its weekday, ISO week, position in the year, days left, month position and leap-year status.
Time Zone Converter added
Convert a date and time from one city to another and compare it across several cities at once, with daylight saving and the day difference handled for you.
Prime Factorization Calculator added
Break any whole number into its prime factors, shown in exponent form, as a factor tree and with the number of divisors.
Fraction Calculator added
Add, subtract, multiply or divide two fractions, whole numbers or mixed numbers like 2 1/3, and read the answer as a simplified fraction, mixed number, improper fraction and decimal.
Ohm’s Law Calculator added
Enter any two of voltage, current, resistance or power, and the other two are worked out for you with all four shown together.
px to rem & em Converter added
Convert between px, rem and em with your own root and em context font sizes; edit any field and the other two update as you type.
Robots.txt Generator & Validator added
Build a robots.txt file from visual User-agent, Allow, Disallow and Sitemap rules, then check syntax, conflicting rules and whether Googlebot can access a path such as /admin.
Ratio Calculator, Punycode, URL slug, scientific notation, Roman numerals, fraction/decimal converters, HTML text extraction and text cleanup tools are now available.
Punycode Converter added
Convert domains such as bücher.example to their xn-- form, or decode Punycode hostnames back to readable Unicode. It checks common hostname mistakes and keeps the conversion in your browser.
URL Slug Generator added
Turn a page title, article headline or product name into a lowercase, hyphenated URL slug, with Latin accents cleaned up and non-Latin words kept readable.
HTML Tag Stripper added
Paste HTML and get plain text with tags, scripts and styles left out, entities decoded and copy-ready line breaks.
Text Case Converter added
Switch pasted text between uppercase, lowercase, title case, sentence case and capitalized words, with copy and replace controls for quick cleanup.
Text Line Sorter added
Paste a list and sort its lines alphabetically, by the first number in each line, or by line length, with ascending and descending order controls.
Text Deduplicator added
Paste a list, remove repeated lines and keep the first time each line appears, with counts for original, unique and removed lines.
Decimal to Fraction Converter added
Convert finite decimals and repeating values such as 0.(3) or 1.2(34) into simplified fractions, with a mixed-number view for larger values.
Fraction to Decimal Converter added
Convert fractions and mixed numbers such as 1/8, 1/3 or 2 1/4 into exact finite or repeating decimals, with the simplified fraction kept beside the result.
Scientific Notation Converter added
Convert ordinary numbers, e notation and ×10^n notation into standard, scientific and engineering forms with copyable exact results.
Roman Numeral Converter added
Convert numbers such as 1994 into MCMXCIV, or paste a Roman numeral and get the Arabic number back. Non-standard forms such as IIII or VX are flagged instead of accepted silently.
Ratio Calculator added
Simplify ratios, solve the blank in A:B = C:D, or scale both sides by the same factor with copyable results.
SVG optimization, XML formatting, XPath and JSONPath testing joined the tools.
SVG Optimizer added
Paste SVG code and shrink it with safe cleanups that keep viewBox, IDs, labels and geometry intact. The tool compares original and optimized size, lets you copy or download the result, and blocks risky entity declarations.
XML Formatter / Validator added
Paste XML, reindent it for reading, minify it for compact output and catch broken structure with line and column details. It also reminds you to review whitespace-sensitive XML before replacing the original.
XPath Tester added
Paste XML or HTML, enter an XPath expression and see matching nodes, attributes, text values and paths without uploading the document.
JSONPath Tester added
Paste JSON, enter a JSONPath expression and see matching values and paths update as you type.
Several new browser tools landed this update.
JavaScript Beautifier & Minifier added
Paste minified or obfuscated JavaScript and reindent it so you can actually read it, or minify your own code to ship it smaller. Choose whether to keep your variable names so the result stays readable, or shorten them for the smallest possible file — either way the script behaves exactly the same.
CSS Beautifier & Minifier added
Paste tangled CSS and reindent it to read, or minify it to ship — whitespace and comments go and values are shortened, so the file loads faster. A Safe mode leaves every rule and vendor prefix exactly in place so the page renders the same, while an Optimized mode also merges duplicate rules for an even smaller file.
HTML Beautifier & Minifier added
Paste tangled HTML and reindent it to read, or minify it to ship — comments and unneeded whitespace go and your inline CSS and JavaScript are compressed, while the page still renders exactly the same. Switch on validation to catch unclosed or mismatched tags, duplicate ids and repeated attributes, each with its line and column.
CSS clamp() Calculator added
Set a size for a small screen and a large one, and get a responsive clamp() value that scales smoothly between them — for font sizes, padding, margins or gaps. A live slider previews the scaling, the value stays friendly to zoom, and it copies in one click.
CSS Cubic Bezier Generator added
Drag the two handles to shape a custom easing curve, watch a dot ride your curve against a steady one, start from presets like ease-in-out or the “back” overshoots, and copy the cubic-bezier() value in one click.
CSS Grid Generator added
Set your columns and rows, then drag across the cells to place items — each becomes a positioned child in the grid. Size every track (1fr, px, auto, minmax), set the gaps, and copy the finished CSS with matching HTML in one click.
Flexbox Generator added
Set up a flex container and its items with visual controls — pick the direction, justify and align, add or remove items and tune each one’s grow, shrink, basis and order — with a live preview, then copy the finished CSS in one click.
Border Radius Generator added
Round each corner of a box with sliders, switch between px and %, shape organic “blob” corners with the elliptical mode, and copy the finished CSS in one click.
Gradient Generator added
Build a linear, radial or conic gradient, add color stops and set the direction with a live preview, then copy the finished CSS in one click.
Box Shadow Generator added
Shape a box-shadow with sliders for offset, blur, spread, color and opacity, stack several layers for real depth, and copy the finished CSS in one click.
Image Color Picker added
Open any image and pick a color straight off the pixels — a magnifier helps you land on the exact one, and you get its HEX, RGB and HSL to copy in a click. Every color you take is saved so you can build a palette.
Image Watermark added
Stamp a text or logo watermark onto one photo or a whole batch — choose the position, size, opacity and rotation, or tile it across the whole image, and see a live preview before you download.
A batch of new everyday tools landed this update.
Favicon Generator added
Turn one PNG, JPG or SVG into favicon.ico plus every icon size a site needs — tab, Apple touch and PWA icons — packed into a ZIP with the HTML to paste.
Image Cropper added
Crop a photo to a free rectangle, a locked ratio like 1:1 or 16:9, or a transparent circle — rotate and flip it, and crop iPhone HEIC photos too.
Image Resizer added
Resize photos by exact pixels, a percentage or presets like Instagram and 1080p — one image or a whole batch at once.
WCAG Contrast Checker added
Check any text-and-background color pair against WCAG AA and AAA, with an instant pass or fail for normal text, large text and UI.
Color Converter added
Convert colors between HEX, RGB, HSL, HSV, CMYK and LAB — edit any format and the others update instantly.
Aspect Ratio Calculator added
Resize images, video frames or layouts by ratio, or fill in the missing width or height from presets like 16:9.
Percentage Calculator added
Calculate percentages, increases, discounts and share-of-total values without setting up a spreadsheet.
Week Number Calculator added
Look up ISO week numbers, date ranges for a week, or the week that contains a given date.
Age Calculator added
Check exact age, age on a chosen date and common birthday details in one place.
Business Days Calculator added
Count workdays between dates or add and subtract workdays while weekends are skipped automatically.
Date Add/Subtract Calculator added
Move a date forward or backward by days, weeks, months or years and see the resulting date instantly.
Date Difference Calculator added
Compare two dates and see the difference in days, weeks, months and years.
Tool pages are easier to recognize in search
Titles and summaries are cleaner, so it is easier to spot the right tool before opening a page.
Screen and measurement tools were added, and several existing tools became easier to read.
Screen PPI Calculator gives clearer messages for unusual values
Very small, huge or incomplete screen values now fail with clearer messages instead of awkward results.
Screen PPI Calculator added
Calculate pixel density, pixel pitch and physical screen size from resolution and diagonal size.
Pixel / DPI Converter added
Convert between pixels, inches, centimeters, millimeters and DPI, including reverse DPI calculations.
Temperature Converter added
Convert Celsius, Fahrenheit and Kelvin in either direction with clean, copyable results.
Existing tools are easier to read
Several existing tools now have clearer wording across languages, especially privacy notes and short tool descriptions.
BroBroGo went live as a free set of tools that run right in your browser.
First tools went live
The first BroBroGo tools became available: open one, finish a task, and keep working without installing anything.
Your files stay on your device
Tools process your files and text inside the browser instead of uploading them to a server.