Regex Tester
Test a JavaScript regular expression against sample text and see every match, its position, and its capture groups. Everything runs in your browser.
More Utilities tools
- CSR & Key GeneratorGenerate a CSR to buy an SSL certificate
- Crontab GeneratorBuild and preview a cron schedule
- SAR Report AnalyzerVisualize CPU, memory, load, and network from sar -A
- Base64 Encoder / DecoderEncode text to Base64 or decode it back
- URL Encoder / DecoderPercent-encode or decode URL and query-string text
- HTML Entity Encoder / DecoderEscape text to HTML entities or decode them back
- Hash GeneratorMD5, SHA-1, SHA-256, SHA-384 & SHA-512 of any text
- .htpasswd GeneratorBasic-auth user:hash lines (apr1 / SHA-1)
- QR Code GeneratorEncode a link or text as an SVG/PNG QR code
- Password GeneratorGenerate a strong, random password
- UUID / GUID GeneratorGenerate one or many random v4 UUIDs
- JWT DecoderDecode a JWT's header, payload, and expiry
- JWT GeneratorBuild and HMAC-sign an HS256/384/512 token
- Text DiffCompare two blocks of text line by line
- Unix Timestamp ConverterConvert Unix timestamps to and from dates
- Password Breach CheckerCheck a password against known data breaches
- Nginx / Apache Config GeneratorGenerate a reverse-proxy or static-site vhost config
- Basic Linux Commands & HelpSearchable cheatsheet of common Linux commands