Free & Open Source · WinUI 3 · Windows 11

FluentCleaner free —
no Pro tier, no upsell, MIT in writing.

The MIT-licensed Windows 11 cleaner that is genuinely free forever — no premium tier, no Pro upsell, no subscription, no donation guilt-trip. Removes browser cache, temp files and shader caches in seconds. By builtbybel.

100%Free forever
0Ads or trackers
WinUI 3Native Windows 11
Cleaner — analysis
Windows 11 Pro 25H2 · Intel Core i7-13700T · 32 GB RAM
Microsoft Edge
Applications
Citrix Receiver0 B
Dynalist Obsidian0 B
HP0 B
Microsoft NuGet Cache
Microsoft Office0 B
Analysis results 107.0 MB
Microsoft Edge Caches
686 files
6.5 MB ›
Edge Security Detection
1 files
5.2 KB ›
Edge Telemetry
5 files
17.4 KB ›
Edge Web Storage
16 files
1.4 MB ›
Microsoft Visual Studio
11 files
17.0 MB ›
Intel Shader Cache
4 files
102.5 KB ›
Is FluentCleaner safe? — Yes, MIT licensed
Free forever — no Pro tier
No ads, no upsells
Open source — github.com/builtbybel

"Free" PC cleaners usually aren't — this one is, by licence.

Most "free" Windows cleaners are bait. You install the free version, get a fake performance score that scares you into buying the Pro upgrade, then discover the cleaning itself was locked behind the paywall the whole time. The MIT licence on this project guarantees a different model: the entire codebase is free, the entire functionality is free, every future version stays free.

The free download is published under the MIT licence on the builtbybel GitHub repository. That licence is a legal contract — no future maintainer can retroactively paywall what the current version offers. Browser cache, temp files, app caches, GPU shaders — all cleaned, no paywall on any category.

GB+
Typical browser cache accumulation per year
1000s
Orphaned temp files per Windows update cycle
0
System files touched — only confirmed junk is removed
< 30s
Average scan time on Windows 11

No premium tier. No Pro upsell.
No subscription. Ever.

MIT licence in writing — the legal guarantee that this Windows 11 cleaner stays 100% free forever.

MIT Licence — Free Forever

The MIT licence is a legal contract. No future owner of the project can retroactively paywall what this version offers. What you get today is what you keep, forever.

MIT licensed

No Premium Tier

Zero features locked behind a paid version. No "Pro" edition. Every scan database, every cleaning category, every UI feature is in the free build.

No paywall

No Bundled Software

The installer doesn't silently install a browser toolbar, a "PC optimiser" sidecar, or a trial of unrelated software. Free means free of all that too.

No bundles

No Subscription

No monthly fee, no annual fee, no licence-renewal nag. The free download stays functional indefinitely — no time-bombing, no degradation.

No fees ever

No Donation Guilt-Trip

No nag screens asking for donations. The project welcomes GitHub sponsors, but the app never interrupts your work to beg for money.

No nags

Three steps — fluentcleaner free download

01

Get the fluentcleaner free download

Click the button to grab the latest MIT-licensed build from the builtbybel GitHub release. No registration, no email.

02

Run the scan

The multi-database engine scans browsers, Windows temp, app caches and shader stores in under 30 seconds.

03

Clean — fully unlocked

Every cleaning category is unlocked from first launch. Review what was found, click Clean. No upsell after.

Free version questions

Need more help? Open an issue on the builtbybel GitHub repo.

Ask on GitHub →
Is it really free?
100% free, forever. The app is MIT-licensed open-source software — no premium tier, no Pro upsell, no subscription. The fluentcleaner free download has every cleaning category unlocked from first launch.
Is FluentCleaner safe?
Yes. Open-source under MIT licence — every line auditable on GitHub. It only targets known junk locations and never touches the registry.
What does the MIT licence guarantee?
The MIT licence is a permissive open-source contract. It guarantees that the current version stays free forever, that you can audit and fork the code, and that no future owner can paywall what this build offers.
Is there a Pro version?
No. There has never been a Pro tier and there never will be. Every feature ships in the free build. The project welcomes GitHub sponsors, but sponsorship is voluntary and unlocks nothing.
Why give it away free?
PC junk cleaning is a basic OS hygiene task — it shouldn't cost money. The MIT licence reflects that belief. The project is maintained by volunteers who use it themselves.
Windows 11 · WinUI 3 · MIT Free

Get the FluentCleaner free download.

MIT-licensed, every feature unlocked, no Pro tier. Open-source by builtbybel.