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Code formatters & data tools
Format code, inspect structured data, convert a document or prepare a developer task. Your input stays in your browser.
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- JSON formatterFormat, minify or validate JSON with line and column errors.
- XML formatterIndent XML while preserving declarations, comments and mixed content.
- SQL formatterFormat SQL for a selected dialect while keeping comments and placeholders.
- YAML formatterFormat YAML, keep comments, and see a JSON conversion.
- Markdown formatterTidy Markdown and compare the result before copying it.
- AES encryptionEncrypt and decrypt text with a local AES-GCM key.
- ATS resume job matcherCheck which job terms appear in your resume.
- Base32 encode decodeEncode text or decode Base32.
- Batch file renamerPreview a safe filename mapping.
- Binary converterConvert whole numbers between bases.
- Browser information toolInspect the capabilities your browser reports.
- Cache-Control builderBuild a Cache-Control response header with explicit storage and revalidation behavior.
- Caesar cipherChoose a whole-number shift for A–Z.
- Chmod calculatorDecode Unix file permission bits.
- Code difference checkerCompare two files line by line.
- Content Security Policy builderDraft a restrictive response policy from the HTTPS origins your page needs.
- Contrast checkerCompare two colors against WCAG text thresholds.
- County lookupSearch the complete 2026 national Census Gazetteer for county and county-equivalent areas.
- Creator revenue plannerCompare revenue assumptions and costs.
- Cron expression generatorCreate a standard five-field cron expression from explicit timing fields.
- CSS clamp calculatorCreate a fluid CSS size rule.
- CSS formatterPaste CSS to format it with the bundled Prettier 3.9.8 parser.
- CSS layout generatorPreview a Flexbox or Grid layout.
- CSS specificity calculatorCompare selectors as three-part scores.
- CSS variable generatorConvert named values into an escaped, reusable CSS variable block.
- CSV cleaner data profilerInspect missing cells and remove duplicate rows.
- CSV JSON converterCSV JSON converter reads a header row and preserves each following cell as text.
- CSV to HTML tableCreate an escaped, accessible HTML table.
- CSV to Markdown tableCSV to Markdown table reads a header row and preserves each following cell as text.
- CSV to XML converterCSV to XML converter reads a header row and preserves each following cell as text.
- CSV to YAML converterCSV to YAML converter reads a header row and preserves each following cell as text.
- DMARC report analyzerSummarize an aggregate XML report.
- Email generatorGenerate placeholder email addresses using a reserved example domain.
- Email header analyzerUnfold fields and inspect the recorded route.
- ENV to JSON converterConvert literal environment settings to JSON.
- Fake data generatorGenerate numbered example records from a field schema you define.
