Developer & Data guides
Pick a tool to read the full guide, examples and troubleshooting.
JSON Formatter — guide, examples and FAQ
Pretty-print JSON with configurable indentation, sorting and syntax highlighting.
4 min readJSON Validator — guide, examples and FAQ
Validate JSON syntax and jump straight to the character that broke it.
4 min readJSON Minifier — guide, examples and FAQ
Strip every unnecessary byte from JSON before shipping it over the wire.
4 min readJSON to CSV Converter — guide, examples and FAQ
Flatten an array of JSON objects into a spreadsheet-ready CSV file.
4 min readCSV to JSON Converter — guide, examples and FAQ
Convert CSV rows into a clean JSON array with automatic type detection.
4 min readBase64 Encoder / Decoder — guide, examples and FAQ
Encode text or files to Base64 and decode back, with full UTF-8 support.
4 min readURL Encoder / Decoder — guide, examples and FAQ
Percent-encode text for URLs and decode escaped query strings safely.
4 min readJWT Decoder — guide, examples and FAQ
Inspect JWT header and payload claims, including expiry and issued-at times.
4 min readHash Generator — guide, examples and FAQ
Generate MD5, SHA-1, SHA-256 and SHA-512 digests for text or files.
4 min readUUID Generator — guide, examples and FAQ
Generate cryptographically random UUID v4 identifiers in bulk.
4 min readJSON ↔ YAML Converter — guide, examples and FAQ
Convert JSON to YAML or YAML to JSON with error reporting.
4 min readXML Formatter — guide, examples and FAQ
Indent and format XML with a readable tree structure.
4 min readXML to JSON Converter — guide, examples and FAQ
Convert XML elements, attributes and repeated children into JSON.
4 min readHTML Formatter — guide, examples and FAQ
Indent minified HTML with proper nesting for readability.
4 min readCSS Minifier — guide, examples and FAQ
Remove comments and whitespace from CSS and see the byte saving.
4 min readSQL Formatter — guide, examples and FAQ
Format SQL queries with uppercase keywords and configurable dialects.
4 min readRegex Tester — guide, examples and FAQ
Test regular expressions against sample text and inspect capture groups.
4 min readCron Expression Parser — guide, examples and FAQ
Explain a five-field cron expression and show the next run times.
4 min readHTTP Status Codes — guide, examples and FAQ
Search and filter common HTTP status codes and their meanings.
4 min readcURL to Fetch — guide, examples and FAQ
Convert a cURL command into JavaScript fetch() code.
4 min read