Free online developer tools
Encode and decode Base64 and URLs, generate hashes and UUIDs, test regular expressions, compare text and format SQL, XML, HTML, CSS and JavaScript. Everything runs in your browser, so your code and data stay on your device.
Encode, decode and hash
Generators and converters
- UUID GeneratorCreate UUID v4 and v7 in bulk and decode existing UUIDs.
- Unix Timestamp ConverterConvert epoch timestamps to dates and back, with the current Unix time.
- Color ConverterConvert HEX, RGB, HSL, OKLCH and CMYK and check contrast.
- Cron Expression ParserExplain cron schedules in plain words and list the next run times.
Text tools
- Regex TesterTest regex patterns with live highlighting, groups and replace preview.
- Text Compare (Diff)Show the differences between two texts in a unified or side-by-side view.
- Word CounterCount words, characters, sentences and reading time.
- Case ConverterUPPER, lower, Title, camelCase, snake_case, kebab-case and more.
Code formatters and minifiers
- SQL FormatterBeautify or minify SQL for MySQL, PostgreSQL, SQL Server and more.
- XML FormatterBeautify, validate and minify XML documents.
- HTML FormatterBeautify or minify HTML, including inline CSS and JavaScript.
- CSS FormatterBeautify or minify CSS stylesheets.
- JavaScript FormatterBeautify or minify JavaScript with Terser.
JSON tools
All JSON tools →- JSON FormatterBeautify, validate and repair JSON, with a collapsible tree view.
- JSON CompareCompare two JSON documents and list every added, removed or changed value.
- JSON to YAMLConvert JSON to YAML and YAML to JSON for configuration files.
- JSON to CSVTurn JSON arrays into CSV for Excel, or CSV into JSON.
- JSON to TypeScriptGenerate TypeScript interfaces from a JSON sample.
- JWT DecoderDecode, verify and create JSON Web Tokens.
Why PixNudge
Nothing leaves your browser
Passwords, API keys, tokens, SQL queries and customer data are processed on your device and never sent to a server.
Instant results
There is no upload and no waiting: results appear while you type, even for large inputs.
Free, no sign-up
No account, no limits and no ads inside the tools. Bookmark the page and use it whenever you need it.