Five Tools to Find Duplicate and Similar Files
An objective review of the leading tools for system cleanup, comparing browser-based privacy (Sakarto), raw performance (Czkawka), audio analysis (dupeGuru), and platform-specific utilities.
📰 Blog
Tips, tutorials, and updates from the team behind Sakarto — the free browser-based duplicate file finder. Learn how to clean up duplicate images, videos, and audio files without installing anything.
Why Sakarto Might Be the Most Versatile Duplicate Finder You've Never Installed
Sakarto brings 7 visual and 3 audio algorithms straight to your browser with zero uploads. We dive into the tech, the algorithms, and why it beats installing native tools for daily cleanup.
Seven Ways to Catch a Duplicate: A Field Guide to Sakarto's Image and Video Algorithms
Sakarto offers 7 distinct visual algorithms for finding duplicate images and videos. We break down when to use Color Signature, pHash, ORB, and the rest—so you never waste time on the wrong tool again.
Three Ways to Hear a Duplicate: A Field Guide to Sakarto's Audio Algorithms
Sakarto offers 3 distinct audio fingerprinting algorithms: Chromaprint, Essentia HPCP, and Meyda MFCC. We break down when to use each one—so you never waste time on the wrong tool again.
Install Sakarto as a PWA: The Native App That's Not an App
Install Sakarto as a Progressive Web App on Windows, macOS, Linux, iOS, or Android. Works offline, opens like a native app, no app store required—completely free and private.
The File Organizer You Never Knew Your Browser Had
Sakarto's file organizer lets you browse, delete, move, and rename files directly in your browser—no installation, no scanning, no fuss. We break down Media Viewer, Bulk Delete, Bulk Move, and Bulk Rename.
Reverse Audio Search: Find Every Copy of One Track
Upload a reference audio file and Sakarto finds every similar copy in a folder. Chromaprint, Essentia HPCP, and Meyda MFCC explained—reference pinned, protected, and ready to compare.
Reverse Image Search: Upload One Photo, Find Every Copy
Upload a reference image or video and Sakarto finds every similar copy in a folder. 7 algorithms explained—Color Signature, aHash, BlockHash, dHash, pHash, wHash, and ORB. Reference pinned, protected, and ready to compare.
Reverse Search: Upload One File, Find Every Copy
Upload any image, video, or audio as a reference. Sakarto scans a folder and finds everything similar to it—crops, resizes, re-encodes, covers, and more. 7 visual + 3 audio algorithms. Reference pinned and protected.
Color Signature: A Detailed Guide to Sakarto's Colour-Based Duplicate Finder
Sakarto's Color Signature algorithm finds duplicate photos and videos by comparing actual colour content across a 24×24 YUV grid. Free, browser-based, and 100% private. Learn how it works and when to use it.
