Parse JSON and re-serialize with recursively sorted keys for deterministic hashes and diffs.
Parse delimiter-separated values into a JSON array of objects when a header row is present.
Paste a JWT and view its header and payload decoded directly in the browser.
Merge a base JSON document with an overlay—nested objects combine and arrays concatenate.
Pretty-print or minify JSON directly in your browser without uploading it.
Paste JSON data and convert it to XML quickly without sending data to a server.
Paste XML data and convert it to JSON structure directly in your browser.
Flatten JSON arrays or objects into comma-separated rows for spreadsheets and ETL scripts.
Turn JSON documents into readable YAML for configs, Helm charts, and CI pipelines.
Remove whitespace from JSON documents to shrink payloads for logs or network transfer.
Expand minified JSON into indented multi-line text for debugging APIs and config files.
Build a signed JWT from a JSON payload and shared secret using HMAC-SHA256 in the browser.
Validate CSV spreadsheets with configurable delimiter and header row options.
Check HTML markup for well-formed structure and common syntax issues.
Parse and validate JSON data for syntax errors with clear error feedback.
Check SVG markup for XML syntax, tag structure, and common vector-graphic mistakes before shipping assets.
Validate XML documents for proper syntax, nesting, and tag balance.
Check YAML documents for indentation, syntax, and parsing errors.
Validate a JWT signed with HS256 by recomputing the HMAC signature with your shared secret.
Paste YAML or YML and get formatted JSON output without uploading files to a server.
Export random mock people records as comma-separated CSV spreadsheet data.
Export randomly generated fake people as a formatted JSON array.
Create random fake person records with names, addresses, and contact fields.