Code Tools

Code Tools

Format, validate, encode and inspect common code formats.

Code utilities

Browse the available tools in this section.

JJSON Formatter & ValidatorFormat, validate, minify, sort and inspect JSON in your browser.Open tool

UUUID GeneratorGenerate UUID values for local testing and sample data.Open tool

JJWT DecoderInspect JWT payloads while debugging auth flows.Open tool

RRegex TesterCheck regular expressions against sample text.Open tool

BBase64 Encoder / DecoderEncode and decode Base64 strings for API and data work.Open tool

JJSON Diff CheckerCompare two JSON snippets and list changed keys.Open tool

UURL Encoder / DecoderEncode and decode URL text, components and query strings.Open tool

HHash GeneratorGenerate SHA hashes for text and local files in your browser.Open tool

SSQL Formatter & MinifierFormat and minify SQL queries for cleaner database work.Open tool

XXML Formatter & ValidatorFormat, minify and validate XML markup in your browser.Open tool

YYAML Formatter & ValidatorFormat and validate YAML-style key value text.Open tool

CCSV FormatterFormat CSV text into aligned readable rows.Open tool

MMarkdown PreviewerPreview basic Markdown as generated HTML.Open tool

TTimestamp ConverterConvert Unix timestamps into readable date notes.Open tool

JJSON ViewerPreview JSON in a readable starter viewer format.Open tool

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

JSON Formatter & Validator JWT Decoder Regex Tester

Related categories

CSS Tools Files Tools SVG Tools

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.