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100% Offline PDF Utilities
Our PDF tools run entirely within your browser using client-side JavaScript. Your files are processed locally and are never uploaded to any remote servers, maintaining complete confidentiality of sensitive documents.
Symmetrical Format Conversion
Convert Word documents, text files, and images (JPG, PNG, GIF, BMP, TIFF) to PDF instantly. Convert PDFs to ZIP archives or extract text contents with simple one-click controls.
Document Protection & Management
Encrypt your PDF documents with secure passwords or remove existing password protections. Merge multiple files into a single unified document or organize and rearrange pages.
Visual Enhancement & Watermarking
Apply text or image-based watermarks to PDF pages. Adjust transparency, positioning, and rotation to protect your intellectual property before sharing.
Frequently Asked Questions
Are my PDF files uploaded to your servers for processing?
No. All PDF generation, merging, conversion, and watermarking actions are executed locally on your computer's browser thread. No document data is transmitted.
What is the file size limit for PDF processing?
Since conversion runs in the browser, performance is determined by your system's RAM. We recommend processing files under 30 MB for the best experience.
Is password encryption secure?
Yes. PDF locking uses standard AES encryption implemented natively in local WebAssembly modules, ensuring your passwords and documents are secure.