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Head-to-head · Disk Cleanup Software

BleachBit vs TreeSize

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score BleachBit #2 in Disk Cleanup Software 9.1/10 Free plan Free plan✓ 0 of 4 features Visit BleachBit
TreeSize #8 in Disk Cleanup Software 8.1/10 Free plan · 14-day trial Free planFree trial✓ 0 of 4 features Visit TreeSize

BleachBit leads on 0 checks, TreeSize on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBleachBit · 9.1/10
  • Free planboth
  • Free trialonly TreeSize

BleachBit scores higher on our rubric for disk cleanup software: 9.1 against 8.1 out of 10; our editors rank them #2 and #8.

BleachBit is the better fit for free open-source cleaning on Windows and Linux. TreeSize is the better fit for windows users tracing where disk space goes.

  • BleachBit fits best

    Free open-source cleaning on Windows and Linux

  • TreeSize fits best

    Windows users tracing where disk space goes

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature BleachBit 9.1/10 Visit ↗ TreeSize 8.1/10 Visit ↗
At a glance
Editor score 9.1 8.1
Ranking #2 in Disk Cleanup Software #8 in Disk Cleanup Software
Best for Free open-source cleaning on Windows and Linux Windows users tracing where disk space goes
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — 14 days
Deployment Desktop Desktop, Self-hosted
Platforms Windows, Linux, macOS Windows
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features BleachBit 0/4 · TreeSize 0/4
Scheduled cleanup Not checked yet Not checked yet
Duplicate file finding Not checked yet Not checked yet
Browser cleanup Not checked yet Not checked yet
Remote management Not checked yet Not checked yet
Specs
Supported platforms Not checked yet Not checked yet
Our review
Pros
  • Cleans browser data, logs, recent-file lists, and temporary files
  • Shreds sensitive files and wipes free disk space
  • Supports scripting, custom cleaners, and portable Windows use
  • Maps folder and file sizes in treemap, pie, and bar views
  • Breaks down storage by file type and finds large or duplicate files
  • Scans removable drives and exports reports in supported editions
Cons
  • macOS support is experimental and limited
  • Advanced custom cleaners and scripting may require technical effort
  • Support is limited to community resources and documentation
  • Windows only; no mobile or cloud application platform
  • Free edition lacks paid-edition duplicate search and automation
  • Focuses on locating space usage more than automatic junk cleanup
Our verdict

BleachBit is a free, open-source desktop utility for clearing disk clutter and removing private data. It is aimed at people who want direct control over cleanup on Windows or Linux, from individuals managing their own machines to…

Read the review →

TreeSize is a Windows desktop tool for understanding how storage is used across folders and files, aimed at individuals and IT teams who need to locate space consumption. Its hierarchical tree, treemap, pie chart, and bar chart show usage…

Read the review →
  1. BleachBitDisk Cleanup Software 9.1Free plan
  2. TreeSizeDisk Cleanup Software 8.1Free plan · 14-day trial

Strengths and trade-offs

  • BleachBit — where it wins

    • Cleans browser data, logs, recent-file lists, and temporary files
    • Shreds sensitive files and wipes free disk space
    • Supports scripting, custom cleaners, and portable Windows use

    Where it doesn't

    • macOS support is experimental and limited
    • Advanced custom cleaners and scripting may require technical effort
    • Support is limited to community resources and documentation
  • TreeSize — where it wins

    • Maps folder and file sizes in treemap, pie, and bar views
    • Breaks down storage by file type and finds large or duplicate files
    • Scans removable drives and exports reports in supported editions

    Where it doesn't

    • Windows only; no mobile or cloud application platform
    • Free edition lacks paid-edition duplicate search and automation
    • Focuses on locating space usage more than automatic junk cleanup
  • BleachBit9.1/10 · Free plan

    A free, open-source cleaner with broad cleanup and data-shredding tools across platforms.

    Visit BleachBitFull verdict →
  • TreeSize8.1/10 · Free plan · 14-day trial

    A Windows storage analyzer with visual reports and file-finding tools across paid editions.

    Visit TreeSizeFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update