Free tools
Free developer tools
14 free developer tools from Webmaster.ae. No sign-up; tools marked “Runs in browser” never send your data anywhere.
- Runs in browserJSON formatter and validatorFormat, validate and minify JSON. Errors show line and column.
- Runs in browserBase64 encoder and decoderEncode text to Base64 or decode it back, with URL-safe mode and full UTF-8 support.
- Runs in browserchmod calculatorConvert Linux file permissions between numbers like 755 and rwxr-xr-x.
- Runs in browserCron expression explainerTurn a cron expression like 0 9 * * 1-5 into plain English.
- Runs in browserCSS minifierStrip comments and whitespace from CSS to make files smaller.
- Runs in browserCSV to JSON converterTurn CSV with a header row into a JSON array of objects.
- Runs in browser.gitignore generatorBuild a .gitignore for Node, Next.js, Python, WordPress, Laravel and more.
- Runs in browserHash generator (SHA-256, SHA-1, SHA-512)Get the SHA-1, SHA-256, SHA-384 or SHA-512 hash of any text.
- Runs in browserJSON to CSV converterTurn a JSON array of objects into CSV you can open in Excel or Google Sheets.
- Runs in browserJWT decoderRead the header and payload of a JSON Web Token and check when it expires.
- Runs in browserRegex testerTest a JavaScript regular expression against text and see every match and group.
- Runs in browserUnix timestamp converterConvert Unix epoch seconds or milliseconds to dates in UTC and UAE time, and back.
- Runs in browserURL encoder and decoderPercent-encode text for URLs or decode %20-style strings back to plain text.
- Runs in browserUUID generatorCreate random v4 or time-ordered v7 UUIDs, one or hundreds at a time.
Ready when you are.
Tell us what you need. An engineer replies within one working day.