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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Tools hub

Run a local browser tool, review the output, then apply in DupeZappa.

Pick a tool for duplicates, renames, junk triage, or photo metadata. Each page scans locally, leaves files untouched, and links to the desktop app for apply with undo.

Local browser toolsNo file uploadPreview before apply

What this hub covers

  • First-pass scans for duplicates, naming, junk files, and EXIF metadata.
  • Browser tools analyze and preview only; they do not mutate files.
  • Handoff to DupeZappa for batch rename, move, and delete with undo.

Best starting point

Browser scan first. Desktop apply second.

Run a focused scan, check the output, then switch to the desktop app for rename, move, or delete with operation history.

Recommended flow

From browser scan to desktop apply.

1

Pick one tool from the index above.

Pick the tool that matches today's job: duplicates, rename patterns, junk clutter, or photo metadata.

2

Run the scan and review the preview output.

Each tool is local and non-destructive, so you can inspect recommendations and edge cases before committing anything.

3

Move to DupeZappa when you are ready to apply.

Use the desktop app for guarded batch actions, conflict handling, and undo history once the plan looks correct.

Execution boundary

Keep analysis and apply in separate steps.

Free browser pages handle scans and planning. The desktop app handles batch rename, move, and delete with deeper preview and undo history.

Browser toolsLocal scans and previews only. No uploads and no hidden file mutations.
Desktop appBatch rename, move, and delete with better review controls and undo.
Safer handoffUse browser output to finalize the plan, then execute once in the desktop app.