Developer Tools
Base64 Encoder — Complete Guide
Free online Base64 encoder — paste your text and get the result instantly. Copy, download, private and fast.
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JSON, XML, YAML, SQL, CSS, JS formatters, encoders, regex and code generators.
Base64 EncoderBase64 DecoderURL EncoderURL DecoderHTML EncoderHTML DecoderBinary EncoderBinary DecoderMorse Code EncoderMorse Code DecoderROT13 EncoderROT13 DecoderMIME Type CheckerHTML MinifierHTML BeautifierCSS MinifierCSS BeautifierJavaScript MinifierJavaScript BeautifierJSON FormatterJSON ValidatorJSON MinifierJSON ViewerJSON Tree ViewerXML FormatterXML ValidatorXML ViewerCSV ViewerCSV to JSONJSON to CSVYAML FormatterSQL FormatterSQL MinifierRegex TesterRegex GeneratorCron Expression GeneratorCron Expression ParserMarkdown EditorMarkdown PreviewMarkdown to HTMLHTML to MarkdownBBCode to HTMLHTML to BBCodeText to BinaryBinary to TextText to HexHex to TextText to ASCIIASCII to TextText to UnicodeUnicode to TextText to URL EncodeURL Decode TextText Escape ToolText Unescape ToolHTML Escape ToolHTML Unescape ToolXML Escape ToolXML Unescape ToolCSV FormatterCSV MinifierCSV ValidatorTSV to CSV ConverterCSV to TSV ConverterYAML ValidatorYAML ViewerTOML FormatterINI FormatterXML to JSONJSON to XMLJSON to YAMLYAML to JSONXML Pretty PrintHTML Pretty PrintCSS Pretty PrintJavaScript Pretty PrintSQL BeautifierSQL ValidatorSQL Keywords UppercaseSQL Keywords LowercaseRegex Cheat SheetRegex Escape ToolRegex Replace TesterUnix Permissions ConverterCHMOD GeneratorFile Permission ViewerMIME Type FinderHTTP Status Code LookupHTTP Request BuilderCURL Command GeneratorFile Name CleanerFile Name GeneratorFile Extension FinderFile Type IdentifierMIME Type ReferenceMerge Text FilesFile Name SanitizerDuplicate File Name CheckerFile Extension ExtractorFile Name ShortenerFolder Structure GeneratorFile List GeneratorFilename Slug GeneratorSafe Filename GeneratorFile Name Numbering ToolSequential File Name GeneratorDuplicate Filename Remover
About our developer tools
JSON, XML, YAML, SQL, CSS, JS formatters, encoders, regex and code generators.
All 107 developer tools on Gemma-4 are free, work instantly in your browser and come with a step-by-step guide. Popular picks include Base64 Encoder, Base64 Decoder, URL Encoder, URL Decoder, HTML Encoder, HTML Decoder.
Guides for Developer Tools
All Developer Tools guides →Developer Tools
Base64 Decoder — Complete Guide
Free online Base64 decoder — paste your text and get the result instantly. Copy, download, private and fast.
Developer Tools
URL Encoder — Complete Guide
Free online URL encoder — paste your text and get the result instantly. Copy, download, private and fast.
Developer Tools
URL Decoder — Complete Guide
Free online URL decoder — paste your text and get the result instantly. Copy, download, private and fast.
Developer Tools
HTML Encoder — Complete Guide
Free online HTML encoder — paste your text and get the result instantly. Copy, download, private and fast.
Developer Tools
HTML Decoder — Complete Guide
Free online HTML decoder — paste your text and get the result instantly. Copy, download, private and fast.
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