100% Private · No Signup · Always Free
Every file tool
you need, instantly.
Convert, compress, merge, split and watermark PDFs and images — right in your browser. Nothing is ever uploaded to a server.
Private by design
SSL secured
No signup
21+ Tools
All-in-one toolkit
Always Free
No hidden costs
10+ Formats
PDF, Word & images
Universal File Upload
Pick a tool, drop a file, go
Drag & drop a file
or click to browse — any file type
Select Tool
Drop a file and choose a tool to get started
100% Private
Files never leave your device
Lightning Fast
Instant, in-browser processing
Works Everywhere
Any device, any modern browser
No Installation
Nothing to download or install
No Registration
No account or email required
All Tools
Pick a tool, drop your file
21+ free tools for PDFs, images and documents — all processed instantly in your browser.
Simple Process
How it works
Three steps. No signup, no waiting, no uploads to a server.
1
Upload your file
Drag and drop or choose a PDF, image or document from your device.
2
We process it instantly
Your file is converted, compressed or edited right in your browser — nothing is uploaded.
3
Download the result
Save your finished file instantly. No watermarks, no waiting, no limits.
FAQ
Frequently asked questions
Everything you need to know about using CometFile.
Is CometFile really free?
Yes — every tool is 100% free with no hidden limits, watermarks, or subscriptions. There's no paid tier.
Do you store or see my files?
No. All processing happens locally in your browser using JavaScript. Your files are never uploaded to any server — we couldn't see them even if we wanted to.
Do I need to create an account?
No signup, no login, no email required. Just open a tool and start converting.
What file types are supported?
PDF, JPG, PNG, WEBP, AVIF, DOCX, ODT, RTF, and TXT — across 21+ tools for converting, compressing, merging and editing.
Does it work on mobile?
Yes — CometFile works in any modern browser on desktop, tablet, or mobile. No app to install.