Data & encoding
JSON Formatter
Format and validate JSON with pretty printing.
Tools
All tools run in your browser. No sign-up, no data sent to servers.
Generators
UUID Generator
Generate cryptographically random UUID v4 identifiers.
Data & encoding
Base64 Encode / Decode
Encode and decode Base64 text in the browser.
Data & encoding
JWT Decoder
Decode JWT header and payload locally.
Text & regex
Regex Tester
Test regex patterns and view matches and groups.
Data & encoding
JSON Validator
Check if text is valid JSON and see errors.
Generators
Random String Generator
Generate random strings with configurable length and charset.
Data & encoding
URL Encoder / Decoder
Encode and decode URL (percent) encoding.
Data & encoding
Timestamp Converter
Convert between Unix timestamps and dates.
Text & regex
Text Diff Checker
Compare two texts and view line-by-line diff.
Text & regex
Slug Generator
Convert text to a URL slug.
Generators
Password Generator
Generate secure random passwords.
Data & encoding
CSV to JSON Converter
Convert CSV to JSON array.
Data & encoding
JSON to CSV Converter
Convert JSON array to CSV.
Data & encoding
HTML Escape / Unescape
Escape or unescape HTML entities.
Text & regex
Text Summarizer (Beta)
Quick, lightweight summarization in the browser. Beta.
Generators
Resume Builder (Beta)
Build a formatted resume from your details. Beta.
Data & encoding
Background Remover Preview (Beta)
Preview of a future background remover. Beta; removal not active yet.