Your Complete
Free PDF Toolkit
Merge, split, compress, convert, and edit PDF files online — completely free. No software, no sign-up, instant results.
Most Popular PDF Tools
Start with the most-used PDF tools — no sign-up, no uploads to any server
All PDF Tools by Category
Everything you need to work with PDFs, organized by category
PDF Management
View allMerge PDF
Combine multiple PDF files into one single document instantly
Split PDF
Split a PDF into multiple separate files or extract specific pages
Compress PDF
Reduce PDF file size without losing quality for easy sharing
Organize PDF
Reorder, rotate, and manage PDF pages with drag and drop
Rotate PDF
Rotate PDF pages to the correct orientation in one click
Delete PDF Pages
Remove unwanted pages from your PDF document easily
Extract Pages
Extract specific pages from PDF into a new document
Add Page Numbers
Add automatic page numbers to your PDF documents
Add Watermark
Add text or image watermarks to protect your PDF files
Repair PDF
Attempt to recover and repair corrupted or damaged PDF files
Compare PDF
Compare two PDF files side by side to spot differences
PDF Conversion
View allJPG to PDF
Convert JPG images to PDF format quickly and easily
PNG to PDF
Convert PNG images to high-quality PDF documents online
Word to PDF
Convert Word documents (.docx) to PDF format for free
Excel to PDF
Convert Excel spreadsheets to PDF files online for free
HTML to PDF
Convert HTML web pages and code to PDF documents
PDF to JPG
Convert PDF pages to high-quality JPG images instantly
PDF to PNG
Convert PDF files to PNG images with transparent background
PDF to Word
Convert PDF files to editable Word documents online
PDF to Text
Extract text content from PDF files as plain text
PDF Security
View allProtect PDF
Add password protection and encryption to your PDF files
Unlock PDF
Remove password and restrictions from protected PDF files
Redact PDF
Permanently redact sensitive information from PDF documents
Sign PDF
Add your handwritten signature to PDF documents online
PDF Optimization
View allWhy Choose Cloud PDF App?
The fastest, safest, and most complete free PDF toolkit online.
Bank-Level Security
Your PDF files never leave your browser. All processing happens locally on your device — we have zero access to your documents.
Lightning Fast
Process PDFs in seconds with our optimized engine. No waiting, no queues.
Auto File Deletion
Since everything runs in your browser, there are no uploads and nothing to delete. Complete privacy by architecture — not just policy.
100% Free
All PDF tools are completely free. No hidden fees, no subscriptions required.
Works Everywhere
Works on any device and browser — desktop, tablet, or mobile. No install.
Built for Everyone
Works on any device, any browser, any operating system — no software to install, ever.
How It Works
Process your PDFs in 3 simple steps
Upload Your File
Drag and drop your PDF or click to browse. Supports files up to 100MB.
Choose Your Tool
Select what you want to do — merge, compress, convert, or any of our 25+ tools.
Download Result
Your processed file is ready instantly. Download it — since everything runs in your browser, nothing is ever sent to any server.
Latest from Our Blog
PDF tips, guides, and tutorials
How to Compress PDF Without Losing Quality
The best techniques to reduce PDF file size while keeping text crisp and images clear.
6 min read
Best Free PDF Tools Online in 2026
We compared the top free PDF tools for merging, splitting, compressing, and converting PDFs.
8 min read
How to Merge PDFs Online — Step-by-Step
Merging PDF files takes seconds with the right tool. This guide shows exactly how.
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Frequently Asked Questions
Is Cloud PDF App completely free?
Yes, all tools on Cloud PDF App are 100% free to use. There are no hidden fees, subscriptions, or premium tiers. Every tool is available for unlimited use at no cost.
Are my PDF files safe and private?
Absolutely. All processing happens locally in your browser — your files are never uploaded to any server, never stored, and we have no technical access to your documents.
Do I need to create an account?
No registration or account is required. Simply visit any tool page, upload your file, and download the result. It is completely anonymous.
What is the maximum file size I can upload?
You can upload PDF files up to 100MB. For most documents, this is more than sufficient. Files larger than 100MB may need to be split first.
What formats can I convert to and from PDF?
Cloud PDF App supports conversion from PDF to Word, Excel, JPG, PNG, and text formats. You can also convert JPG, PNG, Word, Excel, and HTML files to PDF.
Ready to Work with PDFs?
Start using Cloud PDF App free — no account needed, no files sent to any server.