Base64 Encoder & SHA-256 Hash Tool
Fast local encoding and hashing: Base64, hex, URI component, HTML entities, and SHA-256 / SHA-512 / SHA-1 / MD5. Compare outputs, copy results, and hash files under 10 MB — nothing is uploaded.
Frequently asked questions
No. Strings and small files are hashed without upload. Nothing is sent to LocalTools servers for processing.
MD5 is legacy; prefer SHA-256+ for integrity and avoid MD5 for authentication contexts.