similarity-finder is a tool for finding similar images on a computer, based on the perceptual hashing algorithm pHash.

The source code and the binaries are available on BitBucket under the licence Creative Commons Attribution 4.0 International (CC BY 4.0) : https://bitbucket.org/bbillet/similarity-finder

The github repository contains two sub-projects:

• A minimalistic command-line interface for computing image hashes.
• A GUI-based tool for scanning a folder and looking for similar images.

CLI tool

Compute the hash of each png, jpeg, bmp and tiff contained in a folder.
Usage: phash [-d <directory>] [-o <file>] [-r]
    -d: specify a directory to scan, default = current directory
    -o: specify a file for storing hashes, default = stdout
    -r: scan sub-folders, default = false

GUI tool

Screenshots