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All Free PDF Tools

25+ free online PDF tools — merge, split, compress, convert, protect, sign and more. No software. No sign-up. Works on any device.

100% FreeNo Sign-UpBrowser-BasedPrivate & SecureWorks on Mobile

Your Complete Free PDF Toolkit

Cloud PDF App offers everything you need to work with PDF files — all completely free and processed entirely in your browser. Whether you need to merge PDF files, compress a large PDF, convert PDF to Word, or add a password, we have the right tool for the job. Your files never leave your device — every operation runs locally in your browser for maximum privacy and speed.

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PDF Management

Organize, rearrange, and manage the pages and structure of your PDF documents with ease.

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PDF Conversion

Convert PDFs to and from Word, Excel, images, HTML and more — all free, all instant.

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PDF Security

Password-protect, unlock, sign, and redact sensitive information from your PDF files.

PDF Optimization

Reduce file size, convert to grayscale, and optimize PDFs for web, email, and printing.

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Utility Tools

Handy utility tools for archiving, inspecting metadata, and batch processing PDFs.

Why Use Cloud PDF App?

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100% Private

Files processed locally. Never uploaded to any server.

Instant Results

No queues, no waiting. Processing starts immediately.

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Always Free

Every tool, forever free. No subscription needed.

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Any Device

Desktop, tablet, mobile. Any browser, any OS.

Frequently Asked Questions

Are all these PDF tools really free?

Yes, every single tool on this page is 100% free. No account, no subscription, no hidden fees. We support the service through non-intrusive advertising.

Do my files get uploaded to a server?

No. All processing happens directly in your browser using JavaScript. Your files never leave your device — they are not transmitted to any server.

Is there a file size limit?

Since processing is done locally in your browser, the limit depends on your device's memory. Most modern devices handle PDFs up to 100–200MB without issue.

Can I use these tools on mobile?

Yes. All tools are fully responsive and work on iPhone, Android, and tablet browsers. No app installation required.

How many tools are available?

We currently offer 25+ PDF tools across five categories — PDF Management, Conversion, Security, Optimization, and Utilities — with more being added regularly.

What browsers are supported?

All modern browsers: Chrome, Firefox, Safari, and Edge. We recommend keeping your browser up to date for best performance and compatibility.

Can I process password-protected PDFs?

For most tools, you need to remove the password first using our Unlock PDF tool. Once unlocked, the file can be processed by any of our other tools.

Is Cloud PDF App GDPR compliant?

Yes. Since we never receive or store your files, there is no personal document data to protect. See our GDPR and Privacy Policy pages for details.