How to merge multiple PDFs into one?

Use our "Merge PDFs" tool: select your files, drag to reorder, and click Process. Everything is done in your browser — no files are uploaded to any server.

How to compress a PDF without losing quality?

Our compression tool automatically reduces PDF file size while maintaining visual quality. Simply upload your file and download the result.

How to unlock a password-protected PDF?

Upload the protected PDF to our "Unlock PDF" tool. If the file only has copy/print restrictions, removal is automatic. For open passwords, you'll need to enter the password.

Is it safe to use online PDF tools?

Yes! At Unlocked PDF, all files are processed locally in your browser using WebAssembly. No files are ever sent to our servers.

Can I convert images to PDF for free?

Yes, our "Image to PDF" tool converts JPG, PNG, and WebP into multi-page PDF documents, completely free.

How does background removal work?

Advanced AI identifies the main subject and removes the background.

Does the result have a transparent background?

Yes. Saved as PNG with transparent background.

Does it work with any photo?

Best with well-defined subjects and clear edges.

Can I use it for product photos?

Yes. Most common use — e-commerce product photos.

Is processing done locally?

Yes. AI runs in your browser without uploading photos.

Commot Background

About This Tool

Automatically remove the background from any image using AI. Ideal for product photos with transparent backgrounds, portraits, and social media images.

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