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What is a hash function?
A hash maps input of any size to a fixed-length fingerprint. Small input changes produce wildly different digests, which helps detect tampering and deduplicate content.
How to use this tool
Paste or type input. Select algorithms. Copy digests. Use the full tool for larger inputs and file-style workflows where supported.
Use cases
Checksums for build artifacts, deduplication keys, verifying config blobs, teaching digest properties.
Privacy and security
Editor and conversion workflows run in your browser without uploading your content to our servers for those steps. Clear sensitive data when you finish, especially on shared machines.