Free online tools
Open a tool and start. Normal utilities do not require login, email verification or a phone number.
100 real tools
Choose a category or search by the task you need to finish. Unsupported actions are not shown.
Everyday & Data
26 available
JSON Formatter
Format minified JSON into readable, indented output in your browser.
JSON Validator
Validate JSON syntax and show a clear parsing error without uploading data.
Word Counter
Count words, characters and lines locally as you write.
Character Counter
Count Unicode characters, spaces, words and lines accurately.
Text Case Converter
Convert text to upper, lower, title, sentence, camel, snake or kebab case.
Remove Duplicate Lines
Remove repeated lines while preserving the first occurrence and chosen matching rules.
Sort Lines
Sort text lines naturally in ascending or descending order.
Base64 Encoder
Encode Unicode text to Base64 entirely in the browser.
Base64 Decoder
Validate and decode UTF-8 Base64 text locally.
URL Encoder
Safely encode text for use inside a URL component.
URL Decoder
Decode percent-encoded URL text with invalid-input detection.
Timestamp Converter
Convert Unix seconds, milliseconds or a date into exact standard timestamps.
UUID Generator
Generate one or more cryptographically random UUID v4 identifiers.
Password Generator
Create a strong random password with clear length and character controls.
CSV to JSON
Convert quoted CSV rows into structured JSON locally.
JSON to CSV
Convert an array of JSON objects into a downloadable CSV file.
CSV Delimiter Converter
Switch CSV data safely between comma, semicolon, tab and pipe delimiters.
Markdown to HTML
Convert common Markdown formatting into safe, readable HTML.
HTML to Text
Remove markup, scripts and styles to recover readable plain text.
Text Diff Checker
Compare two texts line by line and review additions and removals.
Regex Tester
Test a regular expression with validated flags and bounded match results.
SHA-256 Generator
Create a SHA-256 digest with the browser cryptography API.
Number Base Converter
Convert integers accurately between bases 2 and 36.
HEX & RGB Color Converter
Convert six-digit HEX and RGB colors into HEX, RGB and HSL values.
Unit Converter
Convert length, mass, temperature and digital-storage units.
BMI Calculator
Estimate adult body-mass index with a clear non-diagnostic category.