Developers
JSON, YAML, regex, encoding, hashes and generators.
34 tools
100% localText โ binaryConvert text to binary, hexadecimal or decimal, and back.Open100% localLorem IpsumGenerate placeholder text for mockups โ paragraphs, sentences or words.Open100% localCompare two textsSee at a glance what was added, removed or moved between two versions.Open100% localData size converterBytes, KB, MB, GB, TB โ and their binary KiB, MiB, GiB counterparts.Open100% localNumber base converterBinary, octal, decimal, hexadecimal and any base from 2 to 36.Open100% localUnix timestamp converterTimestamp โ readable date, in seconds or milliseconds, UTC and local time.Open100% localHash generatorMD5, SHA-1, SHA-256, SHA-512 of a text or a file, plus checksum verification.OpenServer requestDNS lookupLook up the A, MX, TXT and NS records of a domain in an instant.OpenServer requestHTTP status and headersResponse code, redirects and security headers of any web page.Open100% localIPv4 subnet calculatorMask, network address, usable range and host count from a CIDR notation.Open100% localJSON formatter and validatorIndent, minify, sort and validate JSON โ errors are pinpointed exactly.Open100% localJSON โ YAMLConvert both ways between JSON and YAML.Open100% localJSON โ XMLTurn a JSON structure into indented XML.Open100% localFlatten JSONTurn nested JSON into a flat list of key โ value paths.Open100% localBase64 encoder / decoderEncode or decode text in Base64, accented characters included.Open100% localURL encoder / decoderEscape or unescape the special characters of a URL or parameter.Open100% localHTML entitiesEscape or decode HTML special characters.Open100% localJWT decoderRead the header and payload of a JWT, expiry included.Open100% localSQL formatterLay a SQL query out over readable lines.Open100% localCSS formatterIndent or minify a stylesheet.Open100% localURL parserBreak a URL into protocol, host, path and parameters.Open100% localCron expression explainerTurn a cron expression into plain language, with the next run times.Open100% local.gitignore generatorAssemble a .gitignore from the stacks you use.Open100% localColour converterHEX, RGB, HSL, HSV and CMYK for one colour, plus its shade range.Open100% localWCAG contrast checkerIs your text readable on that background? Check the AA and AAA accessibility thresholds.Open100% localCSS gradient generatorCreate a linear, radial or conic gradient and copy the CSS.Open100% localCSS box-shadow generatorDial in a shadow visually and take away the CSS rule.Open100% localCSV โ JSONTurn a CSV table into structured JSON, with type detection.Open100% localJSON โ CSVConvert an array of JSON objects into Excel-ready CSV.Open100% localCSV โ SQL statementsGenerate the INSERT statements matching your table.Open100% localUUID generatorRandom v4 UUIDs, or short identifiers that sort by time.Open100% localFake data generatorConsistent fictional identities to test an app or a form.Open100% localRandom string generatorTokens, API keys, identifiers โ in the exact format you need.Open100% localQR code generatorCreate a QR code for a link, a contact, an email or any text, and download it as PNG or SVG.Open