Developer Tools: JSON, SQL, Base64, Regex & More

Free developer tools in your browser: JSON and SQL formatters, CSV to JSON, Base64, UUID, regex tester, Markdown preview, text diff and more.

JSON Formatter & Validator: Format, validate and minify JSON data
SQL Formatter: Beautify SQL queries with clean indentation
CSV to JSON Converter: Turn CSV data into a JSON array
Unix Timestamp Converter: Convert Unix time to dates and back
Base64 Encoder / Decoder: Encode and decode Base64 with Unicode support
URL Encoder / Decoder: Percent-encode and decode URLs and components
UUID Generator: Generate random v4 UUIDs securely
Lorem Ipsum Generator: Placeholder text by paragraph, sentence or word
Password Generator: Create strong random passwords securely
Random Number Generator: Random numbers in any range, with no repeats
Text Diff: Compare two texts and see what changed
Markdown Preview: Write Markdown and see it rendered live
Case Converter: camelCase, snake_case, Title Case and more
HTML Escape / Unescape: Escape and unescape HTML special characters
Regex Tester: Test JavaScript regular expressions safely

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