Generate SHA-256, MD5, and perceptual hashes (pHash, dHash) for image comparison and deduplication.
Upload any image
JAD computes multiple hash values
Copy hashes for comparison or verification
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
0 bytes uploaded. Image Hash Generator runs entirely in your browser using Canvas API and WASM. Your image stays on your device at all times. No data is sent to any server.
SHA-256 is cryptographic — any pixel change alters the hash. pHash is perceptual — similar images produce similar hashes.
Upload two images and see a visual diff highlighting all pixel-level differences. Great for regression testing.
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