Developer Tools
31 tools
Free developer tools: format and minify JSON, XML, HTML, CSS, JS and SQL; Markdown conversion; Base64, URL, Unicode and HTML entity encoding; MD5/SHA hashes; JWT, URL and user-agent parsing; regex testing and validators.
JSON FormatterValidate, beautify, minify JSONJSON to CSV ConverterConvert JSON and CSV both waysBase64 Encode / DecodeEncode and decode Base64URL Encode / DecodePercent-encode and decode URLsUUID GeneratorBulk random UUID v4JWT DecoderDecode JWT header and payloadRegex TesterLive regex matching and groupsXML FormatterBeautify, minify and validate XMLHTML FormatterBeautify, minify, check tagsCSS FormatterBeautify and minify CSSJavaScript FormatterBeautify and minify JSSQL FormatterBeautify and minify SQLMarkdown Preview & to HTMLLive Markdown preview, export HTMLHTML to MarkdownConvert HTML into MarkdownHTML Entity Encoder / DecoderEscape and unescape HTMLUnicode ConverterText ↔ \uXXXX escapesText to Binary / Hex / ASCIIText to binary, hex, ASCII and backString Escape / UnescapeJSON, JS, regex, SQL, CSV escapingHash Generator (MD5 / SHA)MD5, SHA-1, SHA-256, SHA-512, HMACHTTP Status CodesWhat 200, 301, 404, 500 meanMIME Types LookupFile extensions to Content-TypeUser-Agent ParserDetect browser, OS and deviceURL Parser & BuilderSplit URLs, parse and build query stringsFormat ValidatorValidate emails, IPs, URLs and moreJSON Diff & MergeCompare two JSON files and merge themCron Expression GeneratorExplain cron and preview run timesYAML ⇄ JSON ConverterConvert YAML to JSON and backJSON to CodeJSON to TypeScript, Go, Java typesIP Subnet CalculatorCIDR, netmask and host rangeChmod CalculatorLinux permissions: octal ⇄ symbolicAES Encrypt & DecryptAES-GCM, CBC, CTR and ECB online