# Security & Hashing

> Hash generators, token decoders (JWT), and security utilities for secure development workflows.

- **Source:** DevDreaming (https://devdreaming.com)
- **Canonical URL:** https://devdreaming.com/tools/category/security

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Hash generators, token decoders (JWT), and security utilities for secure development workflows.

All tools run client-side in your browser -- no signup, no upload.

## Tools in this category

- [Hash Generator](https://devdreaming.com/tools/hash-generator) -- Generate MD5, SHA-1, SHA-256, and other hash values for text or files. Compare hashes for verification.
- [JWT Decoder](https://devdreaming.com/tools/jwt-decoder) -- Decode and inspect JSON Web Tokens (JWT) without sending them to an external server. View header, payload, and expiry.
- [Email Obfuscator](https://devdreaming.com/tools/email-obfuscator) -- Encode email addresses to prevent scraping by bots while still being readable by humans.
- [Checksum Calculator](https://devdreaming.com/tools/checksum-calculator) -- Calculate checksums using CRC-32, Adler-32, Fletcher-16, and simple checksum algorithms.

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## Related on DevDreaming

- [All Free Developer Tools](https://devdreaming.com/tools)
- [Blog & Tutorials](https://devdreaming.com/blogs)

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