Monitor Test
Check your display for dead pixels, uniformity, color accuracy, sharpness, and more.
Open tool →Favorites
All tools
Password Generator
Create strong random passwords with custom length and character sets. Copy in one click.
Open tool →Word Counter
Count words, characters, sentences, and estimate reading time as you type.
Open tool →QR Code Generator
Turn a URL or any text into a downloadable QR code. Generated entirely in your browser.
Open tool →Unit Converter
Convert length, weight, temperature, volume, area, speed, time, and digital storage.
Open tool →Color Picker
Pick a color and copy HEX, RGB, or HSL. See tints, shades, and complementary hues.
Open tool →JSON Formatter
Pretty-print, minify, and validate JSON. Errors stay in your browser.
Open tool →BMI Calculator
Calculate body mass index from height and weight in metric or imperial units.
Open tool →Percentage Calculator
Find a percent of a number, reverse percentages, and percent increase or decrease.
Open tool →Age Calculator
Exact age in years, months, and days - plus next birthday and date difference.
Open tool →Tip Calculator
Work out the tip and split the bill evenly between any number of people.
Open tool →Base64 Encode / Decode
Encode or decode text and files to Base64. Optional URL-safe alphabet.
Open tool →UUID Generator
Generate one or many random UUID v4 identifiers. Copy a single value or the whole list.
Open tool →Case Converter
Switch text between upper, lower, title, sentence, camel, snake, kebab, and more.
Open tool →URL Encoder / Decoder
Percent-encode or decode URLs and query strings. Component or full-URI mode.
Open tool →Timestamp Converter
Convert Unix time to a human date and back. Live clock included.
Open tool →Image Resizer
Resize and compress images in the browser. Download JPEG, PNG, or WebP.
Open tool →Hash Generator
SHA-1, SHA-256, SHA-384, SHA-512, and MD5 hashes of text or a local file.
Open tool →Lorem Ipsum
Generate placeholder paragraphs, sentences, or words for mockups and drafts.
Open tool →Contrast Checker
Check foreground and background colors against WCAG AA and AAA contrast rules.
Open tool →Random Number
Generate one or many random numbers. Integers or decimals, unique or repeating.
Open tool →Timer & Stopwatch
A countdown timer with an audible alert, plus a stopwatch with lap times.
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