Free browser-side cleanup tools

Preview the pain locally. Use DupeZappa for the risky part.

Everything in this tools hub runs in the browser against folders you pick. No upload. No hidden apply step. Just local analysis, previews, and a clear next step in the desktop app when the job turns risky.

Tool index

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Duplicate cleanup

Duplicate Folder Scanner Lite

Exact-match groups, image-similarity hints, and recoverable-byte totals. Local browser scan with no upload.

Local browser scanExact + similarRecoverable bytes
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Decision support

Smart Duplicate Keeper Assistant

Apply keep-newest, keep-oldest, keep-largest, keep-highest-resolution, or keep-shortest-path logic to duplicate groups before you commit.

Keep rulesReasoningSafer reviews
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Preview-first organization

Batch Rename Previewer

Preview prefix, suffix, replace, numbering, lowercase, and slug-style transforms without mutating your files. Export CSV or PowerShell when you like the pattern.

Live previewConflict hintsCSV + PowerShell
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Fast folder triage

Empty / 0-Byte / Junk File Finder

Classify common cleanup clutter locally in the browser so you can see what is safe to remove.

Zero-byte filesEmpty foldersTemp clutter
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Disk triage

Folder Size Scanner Lite

Pick a local folder and see which immediate child directories consume the most space. Browser walk, not NTFS MFT, but fast enough for hotspot triage.

Top folders by sizeLocal browser scanNo upload
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Photo privacy utility

Photo Metadata Privacy Checker

Scan local photos for common EXIF privacy leaks and download stripped copies client-side when the browser can safely re-export them.

EXIF warningsGPS flagsClient-side strip
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Fast folder triage

Spot low-value clutter fast: empty folders, zero-byte files, temp leftovers, and duplicate download junk.

Classify common cleanup clutter locally in the browser so you can see what is safe to remove.

Zero-byte filesEmpty foldersTemp clutter

What this tool does

  • Flags empty folders, zero-byte files, and common temp patterns.
  • Useful for Downloads, export folders, and unpacked archives.
  • Hand off to DupeZappa when you are ready to delete with preview and undo.

Fast folder triage

Find the obvious cleanup wins before opening the full app.

Zero-byte files, empty folders, temp leftovers, and duplicate-download clutter are the fastest way to show value in a messy folder.

Folder triage

Load a folder and categorize the low-value clutter.

Your browser is using directory upload fallback. The scan is still local, but empty folders cannot be detected.