Character Counter – Limits for X, SMS, SEO & More
Count characters with and without spaces, lines and bytes. Check your text against limits for X posts, SEO titles, meta descriptions and…
h/tools · Free Tools
Free calculators, converters, PDF, image, video and AI tools that run in your browser.
Case Converter – UPPER, lower, Title, camelCase & More
Convert text to uppercase, lowercase, title case, sentence case, camelCase, PascalCase, snake_case, kebab-case and more in one click.
Lorem Ipsum Generator – Placeholder Text
Generate lorem ipsum placeholder text by paragraphs, sentences or words. Perfect for designers, developers and mockups. Copy in one…
Text Diff Checker – Compare Two Texts Online
Compare two blocks of text and highlight added and removed lines or words. Ignore case and whitespace. Free, private difference checker.
Remove Duplicate Lines – Dedupe & Sort a List
Remove duplicate lines from any list. Ignore case, trim spaces, drop empty lines and sort A–Z or Z–A. Fast and private. dedupe unique list…
Slug Generator – Make SEO-Friendly URL Slugs
Turn titles into clean URL slugs. Removes accents and symbols, optional stop-word removal, custom separator and maximum length.
JSON Formatter & Validator – Beautify or Minify
Format, validate and minify JSON online. Pretty-print with 2 or 4 spaces or tabs, sort keys and see the exact line of any syntax error.
Base64 Encode & Decode – Online UTF-8 Converter
Encode text to Base64 or decode Base64 back to text. Full Unicode support, URL-safe option and clear errors for invalid input.
URL Encoder & Decoder – Percent-Encoding Tool
Encode or decode URLs and query strings with percent-encoding. Break a link into protocol, host, path and parameters. percent encoding…
UUID Generator – Random v4 UUIDs in Bulk
Generate random version 4 UUIDs (GUIDs) in bulk using your browser’s secure random generator. Choose uppercase, no hyphens or braces.
Hash Generator – MD5, SHA-1, SHA-256 & SHA-512
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes from text or files. Fast, private and computed in your browser.
Regex Tester – Test Regular Expressions Online
Test JavaScript regular expressions with live match highlighting, capture groups, flags and a replace preview. Free and private.
Color Picker & HEX / RGB / HSL Converter
Pick a color and convert between HEX, RGB and HSL instantly. Copy CSS values and check contrast for white and black text.
Unit Converter – Length, Weight, Temperature & More
Convert length, weight, temperature, volume, speed and area units instantly. Includes miles, km, pounds, kg, Celsius, Fahrenheit and…
Time Zone Converter – Compare Times Worldwide
Convert a date and time between world time zones, with daylight saving handled automatically. See the same moment in 35 cities at once.
Number to Words Converter – Cheque & Currency Text
Convert numbers to English words, including decimals and currency amounts for cheques. Handles values up to 36 digits. spell number in…
Roman Numeral Converter – Numbers to Roman & Back
Convert numbers to Roman numerals and Roman numerals to numbers (1–3999). Includes a quick reference of symbols and rules.
Binary, Hex & Decimal Converter – Number Base Tool
Convert numbers between binary, octal, decimal, hexadecimal and base 36. Supports very large integers and negative values.
Password Generator – Strong Random Passwords
Create strong, random passwords with a secure generator. Choose length, symbols, numbers and avoid look-alike characters. Never stored.
Random Number Generator – Integers, Decimals & Lists
Generate random numbers between any range. Pick integers or decimals, multiple results, unique values and sorting. Uses secure…
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