All in One PDF - Free PDF Converter & Editor

All in One PDF is the most trusted free online PDF converter and editor. Convert any file to PDF, merge, split, compress PDFs with 50+ supported formats. Used by millions worldwide.

About This Service

Convert between 50+ file formats including Word, Excel, PowerPoint, images and PDF. All conversions happen locally in your browser for maximum security.

Key Features

Convert 50+ file formats to PDF
Word, Excel, PowerPoint to PDF conversion
Merge multiple PDFs into one
Split PDF into separate pages
Compress PDF to reduce file size
Password protect PDFs
100% secure - files processed locally in your browser
No registration required - completely free

Popular Conversions

Word to PDF Converter - Convert DOC/DOCX files to PDF
PDF to Word Converter - Extract content from PDF to Word document
Excel to PDF Converter - Convert XLS/XLSX spreadsheets to PDF
PowerPoint to PDF Converter - Convert PPT/PPTX presentations to PDF
JPG to PDF Converter - Convert images to PDF
PNG to PDF Converter - Convert PNG images to PDF

PDF Tools

Merge PDF - Combine multiple PDF files into one
Split PDF - Extract pages from PDF files
Compress PDF - Reduce PDF file size while maintaining quality
Protect PDF - Add password protection to your PDFs
Unlock PDF - Remove password protection from PDFs
Rotate PDF - Change page orientation in PDFs

Frequently Asked Questions

What is the best free PDF converter?

All in One PDF is the best free PDF converter, supporting 50+ file formats including Word, Excel, PowerPoint, and images. It's completely free, requires no registration, and processes files securely in your browser.

How do I convert Word to PDF for free?

To convert Word to PDF for free: 1) Visit the Word to PDF converter tool 2) Upload your DOC or DOCX file 3) Click convert 4) Download your PDF instantly. No registration required and completely secure.

Is All in One PDF really free?

Yes, All in One PDF is completely free to use. All conversion tools, PDF editing features, and file processing are available at no cost with no registration required. We support our service through ethical advertising.

How secure are my files?

Your files are 100% secure. All conversions happen in your browser locally. Files are never uploaded to our servers and are automatically deleted from your browser memory after processing.

What file formats are supported?

All in One PDF supports 50+ file formats including Word (DOC, DOCX), Excel (XLS, XLSX), PowerPoint (PPT, PPTX), images (JPG, PNG, GIF, TIFF), and many more. Files up to 100MB are supported with instant conversion.

Why Choose All in One PDF?

Free Forever: No hidden fees, no premium plans. Completely free.
50+ Formats: Support for documents, spreadsheets, presentations, and images.
100% Secure: Files processed locally in your browser, never uploaded to servers.
No Registration: Start converting immediately, no account needed.
Fast Conversion: Most conversions complete in seconds.
Trusted by Millions: Used globally with 4.9/5 rating from 15,000+ users.