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Format and validate JSON, convert data and inspect code or URLs.
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144- JSON formatter and validatorFormat, minify and validate JSON while preserving large numbers and duplicate keys; inspect errors and a tree viewOpen tool
- URL encoder and decoderEncode and decode URL componentsOpen tool
- Base64 encoder and decoderConvert UTF-8 text, including emojiOpen tool
- UUID generatorGenerate random UUID v4 identifiers in bulkOpen tool
- Password generatorChoose a length and character setsOpen tool
- HTML entity encoder and decoderEscape HTML special characters or decode text entitiesOpen tool
- Number base converterConvert integers between binary, octal, decimal and hexadecimalOpen tool
- Screen size checkerCheck screen size, viewport dimensions and device pixel ratioOpen tool
- SHA hash generatorCalculate SHA-256, SHA-384 and SHA-512 text hashes locallyOpen tool
- URL parserInspect a URL’s scheme, host, path, query and fragment without visiting itOpen tool
- Query string builderBuild a URL query from key=value lines or decode it back to linesOpen tool
- Text to binary converterConvert UTF-8 text to 8-bit binary and backOpen tool
- CSV to JSON converterChoose delimiters, headers and types; convert tables to JSON with quoted fields, line breaks and leading zeros preservedOpen tool
- JSON to CSV converterExport JSON arrays with large numbers, all columns and nested values preserved; preview tables and control formula protectionOpen tool
- TSV to JSON converterChoose delimiters, headers and types; convert tables to JSON with quoted fields, line breaks and leading zeros preservedOpen tool
- JSON to TSV converterExport JSON arrays with large numbers, all columns and nested values preserved; preview tables and control formula protectionOpen tool
- JSON to TypeScriptInfer a TypeScript type from sample objects, arrays and null valuesOpen tool
- JSON Schema generatorInfer a Draft 2020-12 JSON Schema draft from a sampleOpen tool
- JSON to XMLConvert object keys to XML tags and array entries to item tagsOpen tool
- XML to JSONConvert XML elements, attributes and repeated tags to JSONOpen tool
- JSON path extractorList leaf paths with escaped JSON Pointer notationOpen tool
- JSON difference checkerCompare JSON independent of key order and output JSON Patch operationsOpen tool
- JSON object mergerMerge nested objects with values from the second input taking precedenceOpen tool
- JSON key sorterSort nested object keys while preserving array orderOpen tool
- JSON flattenerFlatten nested JSON into a map of JSON Pointer paths and valuesOpen tool
- JSON object unflattenerRebuild nested objects from JSON Pointer pathsOpen tool
- JSON string codecEncode quotes and line breaks as a JSON string or decode itOpen tool
- JSON to query stringEncode a JSON object as a query string with repeated keys for arraysOpen tool
- Base64URL codecEncode or decode UTF-8 text with URL safe Base64Open tool
- Data URL codecCreate a text data URL or decode a text data URLOpen tool
- JWT decoderRead JWT headers and payloads without verifying the signatureOpen tool
- HTTP status code lookupLook up common HTTP status codes and their registered namesOpen tool
- MIME type lookupLook up common filename extensions and their MIME typesOpen tool
- HTML meta tag generatorGenerate basic search and sharing meta tags from a title, description and URLOpen tool
- robots.txt generatorGenerate robots.txt rules from a crawler, disallowed paths and sitemap URLOpen tool
- .gitignore generatorGenerate a basic ignore list for your development environmentOpen tool
Choose your task
Format and validate JSON, convert data and inspect code or URLs.
- JSONJSON formatter and validator · JSON to TypeScript · JSON Schema generator
- CSV & tabular dataCSV to JSON converter · JSON to CSV converter · TSV to JSON converter
- Encoding & character codesURL encoder and decoder · Base64 encoder and decoder · HTML entity encoder and decoder
- URLs & web settingsURL parser · Query string builder · HTTP status code lookup
- Code & SQLUUID generator · Password generator · Number base converter
- Files & ZIPFile hash calculator · File to Base64 · Base64 to file
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