Code Tools
Code Tools
Format, validate, encode and inspect common code formats.
Code utilities
Browse the available starter tools in this section.
JJSON Formatter & ValidatorFormat, validate, minify, sort and inspect JSON in your browser.UUUID GeneratorGenerate UUID values for local testing and sample data.JJWT DecoderInspect JWT payloads while debugging auth flows.RRegex TesterCheck regular expressions against sample text.BBase64 Encoder / DecoderEncode and decode Base64 strings for API and data work.JJSON Diff CheckerCompare two JSON snippets and list changed keys.UURL Encoder / DecoderEncode and decode URL text, components and query strings.HHash GeneratorGenerate SHA hashes for text and local files in your browser.SSQL Formatter & MinifierFormat and minify SQL queries for cleaner database work.XXML Formatter & ValidatorFormat, minify and validate XML markup in your browser.YYAML Formatter & ValidatorFormat and validate YAML-style key value text.CCSV FormatterFormat CSV text into aligned readable rows.MMarkdown PreviewerPreview basic Markdown as generated HTML.TTimestamp ConverterConvert Unix timestamps into readable date notes.JJSON ViewerPreview JSON in a readable starter viewer format.
What this page offers
Use code tools to inspect common development formats, create sample identifiers and debug API or authentication data quickly.
Popular tools in this section
Related categories
FAQ
Are code snippets uploaded?
Code tools are designed to run in your browser where possible, so common formatting and decoding tasks happen locally.
Can I use these tools while debugging APIs?
Yes. Tools like JSON Formatter & Validator, JWT Decoder and Base64 Encoder Decoder are useful for API inspection and debugging.
Are generated UUIDs suitable for tests?
Yes. The UUID Generator is handy for test data, fixtures and local development identifiers.