Hash. Encode. Verify.
Military-grade cryptographic tools that run entirely in your browser. Nothing leaves your machine.
Security tools that respect
your privacy.
Every tool runs locally using the Web Crypto API. No server calls, no data collection, no compromises.
Client-Side Processing
Every cryptographic operation executes directly in your browser using the Web Crypto API. Zero server uploads. Zero network requests. Your sensitive data never leaves your machine -- not even for a millisecond.
12 Hash Algorithms
MD5, SHA-1, SHA-256, SHA-384, SHA-512, SHA-3, and more. Generate and compare hashes across every major algorithm.
Encode & Decode
Base64, URL encoding, HTML entities, and Hex. Bidirectional transformations with a single click.
JWT Decoder
Decode, inspect headers and payloads, and verify JSON Web Tokens without exposing them to third-party services.
File Hashing
Drag and drop files for instant integrity verification. Compute checksums for downloads and deployments.
UUID Generator
Generate cryptographically secure v4 UUIDs instantly. Copy with one click for use in databases and APIs.
Every algorithm. Every format.
Browse the complete toolkit by category.
SHA-256
256-bit digest
SHA-512
512-bit digest
SHA-384
384-bit digest
SHA-3
Keccak-based
SHA-1
160-bit digest
MD5
128-bit digest
17 tools across 4 categories — all running client-side
Algorithm Comparison
Compare security levels, output sizes, and relative performance across supported hash algorithms.
Simple as 1, 2, 3.
Simple as 1-2-3.
Input Your Data
Type text, paste content, or drop a file. Hash any data format — strings, files, or binary data.
Select Algorithm
Choose from MD5, SHA-1, SHA-256, SHA-512, HMAC, and more. See security ratings for each.
Get Your Hash
Copy the hash output instantly. Compare hashes, verify file integrity, or decode encoded data.
Engineered for
infinite use cases.
Built to adapt to the workflow of data analysts and devs alike.
File integrity
Generate checksums to verify file downloads haven't been corrupted or tampered with.
Password hashing
Hash passwords with secure algorithms. Compare hashes to verify credentials safely.
Checksum verification
Verify deployment artifacts, container images, and configuration files with hash comparison.
HMAC signing
Generate HMAC signatures for API authentication and message integrity verification.
Evidence hashing
Create tamper-proof hash records of digital evidence for legal proceedings.
JWT debugging
Decode and inspect JWT tokens. Verify signatures and check expiration claims.
And thousands more...
Got questions?
FyHash supports MD5, SHA-1, SHA-256, SHA-512, HMAC-SHA256, and more. It also includes Base64, URL, HTML, and Hex encoding/decoding, UUID generation, and JWT decoding.
Can't find what you need?
Our team of data engineers is ready to help with your specific extraction scenario.
Your Data Never Leaves
Your Browser.
Stop pasting sensitive data into random online tools. Use cryptographic utilities that never phone home.
Trusted by developers. Powered by Web Crypto API.