Best Free Hashing & Security Tools
Free online security tools. Generate MD5, SHA-256, SHA-512 hashes, create secure passwords, and encode/decode JWT tokens.
7 recommended tools
1
MD5 產生器
從文字或檔案產生 MD5 雜湊值
2
SHA256 哈希生成器
生成 SHA256 哈希
3
SHA512雜湊生成器
生成SHA512雜湊
4
密碼生成器
生成安全密碼
5
JWT 產生器
使用 HS256 產生 JWT 令牌
6
JWT 解碼器
解碼 JWT 令牌
7
帶密碼的 ZIP
本機壓縮和加密檔案 — 無需上傳，無需伺服器。
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Best Free Hashing & Security Tools
Free online security tools. Generate MD5, SHA-256, SHA-512 hashes, create secure passwords, and encode/decode JWT tokens. All tools are free, require no installation, and process data entirely in your browser for maximum privacy and speed.
How to Get Started
- Choose a tool from the recommendations above based on your specific need.
- Paste your data (JSON, code, text, etc.) into the input field.
- Get instant results — no waiting, no server uploads.
- Copy, download, or share your processed output.
Why Developers Trust Our Tools
- No Data Leaves Your Browser: All processing is client-side for complete privacy.
- Zero Setup: No installation, no accounts, no downloads needed.
- Works Offline: Once loaded, most tools work without an internet connection.
- Open and Transparent: What you see is what you get — simple, focused tools.