jibzarRuns entirely on your device · nothing is uploaded
Developer tools, fast, offline and private
Paste anything — we detect what it is and open the right tool.
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Fully offline
After the first visit, it works without an internet connection.
Private by design
Your input never leaves your device — no server, no logs.
Smart detection
Recognizes JWT, JSON, Base64, Iranian IDs, IBANs and more.
All tools
26 tools — free, offline, no sign-up
Data
8- JSON FormatterFormat, minify and validate JSON with precise errors
- Regex TesterTest regular expressions with matches, groups and replacement
- YAML ↔ JSONConvert YAML and JSON both ways, with multi-document and big-number support
- Diff CheckerCompare two texts or JSON documents by line, word or character
- Color ConverterConvert HEX, RGB and HSL and check WCAG contrast
- Text UtilitiesChange case, sort and dedupe lines, find and replace, and count
- SQL FormatterFormat and beautify SQL queries for MySQL, PostgreSQL, SQL Server and more
- Markdown PreviewSafe Markdown preview with RTL support
Security
2Encoding
3Generators
3Time
2Persian
8- Persian Date ConverterConvert between Persian (Shamsi), Gregorian and Hijri dates
- Iranian National ID ValidatorCheck the control digit of a 10-digit Iranian national code
- Sheba (Iranian IBAN) ValidatorValidate an Iranian IBAN (Sheba) and identify the bank
- Bank Card ValidatorCheck a 16-digit card number (Luhn) and identify the Iranian bank
- Persian Digits ConverterConvert between Persian, Arabic and Latin digits
- Number to Persian WordsWrite numbers and amounts in Persian words
- Persian Text ToolsUnify letters, fix ZWNJ spacing and clean up Persian text
- Persian Test Data GeneratorGenerate fake Iranian names, national IDs, mobiles, cards and Sheba numbers