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GtkHash is a desktop utility for computing message digests or checksums. Most well-known hash functions are supported, including MD5, SHA1, SHA2 (SHA256/SHA512), SHA3 and BLAKE2.

It's designed to be an easy to use, graphical alternative to command-line tools such as md5sum.

Some interesting features:

  • Support for verifying checksum files from sfv, sha256sum, etc.
  • Keyed hashing (HMAC)
  • Parallel/threaded hash calculation
  • Remote file access using GIO/GVfs
  • File manager integration
  • Small and fast, written in C

Required Dependencies

  • GTK+ 3 or 2
  • GLib

Optional Dependencies

  • Libgcrypt (default)
  • Nettle
  • libb2 (default)
  • OpenSSL
  • mbed TLS
  • mhash
  • Linux Kernel Crypto (CONFIG_CRYPTO_USER_API_HASH=y)

GtkHash will attempt to select the best available implementation of each hash function based on its performance, but this can differ wildly between library versions and CPU architectures.

See ./configure --help for a full list of options. Dependencies are not detected implicitly or "automagically".

File Manager Extensions

  • Caja (MATE)
  • Nautilus (GNOME)
  • Nemo (Cinnamon)
  • Thunar (Xfce)


GtkHash is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later version.


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