Fast Global Media & File Utilities
Merge PDFs, extract crystal-clear audio from videos, compress images to WebP, generate favicon sets, create QR codes and encode files in seconds.
Merge Multiple PDF Files Online
Combine two or more PDF documents into one unified file directly in your browser. 100% private, no server upload.
Select or Drag & Drop Multiple PDF Files
Select several PDF files to merge them into a single clean document
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Frequently Asked Questions
Everything you need to know about our browser-native media and document toolkit.
Are my files uploaded to any external server?
No. 100% of the PDF merging, image compression, audio extraction, and icon generation happens directly inside your web browser using HTML5 Canvas, Web Audio API, and PDF-Lib WebAssembly. Your private files never leave your computer.
Is there any file size limit or watermarks?
There are zero file size limits, no quotas, and absolutely no watermarks. You can process large multi-gigabyte video or PDF files with maximum fidelity.
How to merge PDF or extract audio on iPhone or Android?
Simply open OmniTools in your mobile browser (Safari, Chrome), select the tool, choose the files from your device or gallery, and download the resulting file instantly.