IT and developers
Small helpers for passwords, hashes, Base64, JSON, UUIDs, Unix timestamps (including time ranges for logs), number systems, XML and subnets.
Tools
- Password generator Random passwords or one from your sentence.
- Calculate a hash SHA-256 and other checksums for text or files.
- Base64 & URL encoding Encode and decode text.
- Format JSON Make JSON readable and validate it.
- UUID generator Generate UUIDs version 4 and 7.
- Convert Unix time Timestamp to date and back.
- Number systems Binary, octal, decimal and hexadecimal.
- JWT decoder Read JSON Web Tokens and verify the signature.
- Cron expression Build crontab lines, explain them, next runs.
- YAML ↔ JSON Convert YAML to JSON and back.
- Subnet calculator Network address, mask and range for IPv4 and IPv6.
- XML ↔ JSON Convert XML to JSON and back.
- Text to HTML Turn formatted text into clean HTML.
- Markdown editor Write Markdown, HTML preview and code.
- Colour tools HEX, RGB, HSL, colour from image, palettes, contrast.
- Check security headers Grade A+ to F for HSTS, CSP, cookies and more.