All Tools
21 tools available — free, no sign-up.
Word Counter
Count words, characters, sentences and paragraphs instantly. Free, accurate, and works right in your browser — no sign-up needed.
JSON Formatter & Validator
Format, validate, and beautify JSON instantly. Catch syntax errors and pretty-print minified JSON for free, right in your browser.
Percentage Calculator
Calculate percentages, percentage increase/decrease, and discounts instantly. Free online percentage calculator with clear step-by-step results.
Password Generator
Generate strong, random passwords instantly. Customize length and character types. 100% client-side — your password is never transmitted or stored.
BMI Calculator
Calculate your Body Mass Index (BMI) using metric or imperial units. Free, instant, and private — nothing you enter is stored or sent anywhere.
Age Calculator
Calculate exact age from a date of birth — in years, months, and days, plus total days lived. Free and instant, right in your browser.
Case Converter
Instantly convert text between UPPERCASE, lowercase, Title Case, Sentence case, and more. Free online case converter, no sign-up needed.
Lorem Ipsum Generator
Generate placeholder Lorem Ipsum text by paragraphs, sentences, or words. Free, instant, and ready to paste into any design or document.
Unit Converter
Convert length, weight, temperature, and file size units instantly — including MB to KB, GB to MB, meters to feet, and more. Free and accurate.
Color Converter
Convert colors instantly between HEX, RGB, and HSL formats, with a live color preview. Free online color converter for designers and developers.
Hash Generator
Generate SHA-256, SHA-1, and SHA-512 hashes from any text instantly. Free, client-side hash generator using your browser's built-in crypto engine.
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 back to plain text instantly. Free, fast, and fully client-side — no data ever leaves your browser.
Image Converter
Convert images between PNG, JPG, and WebP instantly in your browser. Free image format converter — no upload to a server, no sign-up.
Image Compressor
Compress and resize images to reduce file size (MB to KB) without uploading them anywhere. Free, instant, adjustable quality — all in your browser.
Image to Base64 Converter
Convert an image to a Base64-encoded data URI instantly, ready to paste into HTML, CSS, or JSON. Free and fully client-side.
Slug Generator
Convert any text into a clean, URL-friendly slug instantly — lowercase, hyphenated, no special characters. Free and instant.
Text Diff Checker
Compare two blocks of text and instantly see what changed — additions and deletions highlighted line by line. Free and private.
URL Encoder/Decoder
Encode text for safe use in a URL, or decode a URL-encoded string back to plain text. Free, instant, fully client-side.
Number Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal instantly. Free online number base converter for developers.
Compound Interest Calculator
Calculate compound interest growth over time with optional monthly contributions. Free, instant, and fully client-side.
Tip Calculator
Calculate how much to tip and split the bill between any number of people. Free, instant tip calculator — no sign-up needed.