Files & organization · ONLINE TOOL

Find duplicate files

Skip unique-size files, confirm exact duplicates with SHA-256 and prepare a review plan without automatic deletion.

Local processingNo account required

USE CASES

When to use Find duplicate files?

Find strictly identical files in a folder, confirm candidates with SHA-256, then prepare a review plan without automatically deleting anything.

CONCRETE EXAMPLE

BEFORE

842 files · copies scattered across subfolders

→

AFTER

14 exact SHA-256 groups · 19 extra copies · 386 MB theoretically reclaimable · references manually selected

PRIVACY

Processed content is not uploaded to WorkToolset. Required libraries may be loaded by the site, but the file stays in the browser.

GOOD TO KNOW

Displayed savings are theoretical and assume only one copy is retained per group.
A SHA-256 duplicate proves binary identity, not which copy has the right business value, location or permissions.
Web Crypto must read each candidate in full; very large files can use substantial memory.
WorkToolset never automatically deletes, moves or renames original files.

HOW IT WORKS

PRIVACY

Are my files uploaded to WorkToolset?

No. This tool runs locally in your browser.

Is my original file modified?

No. WorkToolset creates a new copy or export.

Do I need an account?

No for this free tool. Accounts are mainly used for favorites, presets and future workflows.