Free Online PDF, Image, Video & Audio Tools

PDFStudio Pro gives you 100+ private browser-based tools to merge, compress, convert, protect and edit files. Processing happens on your device — files never leave your computer or phone. No account, no watermark, unlimited use.

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📄Merge PDF 🗜️Compress PDF ✂️Split PDF 🖼️PDF to JPG 📎JPG to PDF 🔓Unlock PDF 🔒Protect PDF 🔄Rotate PDF 🗑️Delete Pages 🖼️Compress Image ✨Image Upscaler 🎤Audio to Text

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Why people use PDFStudio Pro

• Private by design — Core tools process files in your browser. Nothing is uploaded to our servers for those tools.
• No account required — Open a tool, drop your file, download the result. Free forever, no daily limits.
• Works on any device — Chrome, Edge, Firefox, Safari on Windows, macOS, Linux, Android and iOS.
• Clean output — No watermarks, no forced branding on your files.

How it works

1. Choose a tool from the homepage, a category page, or All Tools.
2. Add your file(s) by drag-and-drop or the file picker.
3. Adjust options (order, quality, password, pages, etc.).
4. Process and download. Everything stays on your device for browser-based tools.

Frequently asked questions

Is PDFStudio Pro free?

Yes. Core tools are free with no daily limits, no account required and no watermarks on output files.

Are my files uploaded to a server?

For core PDF, image and many media tools, processing happens entirely in your browser. Files stay on your device. See our Privacy Policy.

Can I use the tools on mobile?

Yes. They work on modern mobile browsers (Chrome, Safari, Firefox, Edge).

Is there a file size limit?

We do not set a server-side limit for browser-based tools. Practical limits depend on your device memory.

Do you add watermarks?

No. Output files contain only your content.