The Smartest Free
PDF Tools Online
Merge, split, compress, convert, edit and sign PDF files in seconds. Works on all devices. Secure, private, and always free.
100% Private
Files auto-deleted in 60 min.
Zero Watermark
Clean output every time.
Blazing Fast
Results in seconds.
All Devices
Mobile, tablet, desktop.
Always Free
No hidden fees, ever.
UPSC & Student Special
We built PDFMerger.in with a special focus on Indian students and civil services aspirants. Easily prepare your documents for UPSC, SSC, Banking, and State Govt applications.
Automatically optimized for official government web portals.
40+ Free PDF Tools
Everything you need to work with PDF files. Forever free. No subscriptions.
Compress PDF
Reduce PDF file size without losing quality.
Merge PDF
Combine multiple PDFs into one document.
Split PDF
Split a PDF into multiple documents.
Rotate PDF
Fix PDF page orientation instantly.
Delete PDF Pages
Remove unwanted pages from PDFs.
Extract PDF Pages
Extract specific pages to a new PDF.
Organize PDF
Rearrange, sort and organize PDF pages.
Edit PDF
Add text, shapes and images to PDFs.
PDF Annotator
Highlight, underline and annotate PDFs.
PDF Reader
Read and view PDFs in your browser.
Number Pages
Add page numbers to PDF documents.
Crop PDF
Crop and resize PDF page content.
Redact PDF
Permanently hide sensitive content in PDFs.
Watermark PDF
Add text or image watermarks to PDFs.
PDF Form Filler
Fill and submit PDF forms online.
PDF to Word
Convert PDF to editable Word documents.
PDF to Excel
Extract tables from PDFs to spreadsheets.
PDF to PPT
Convert PDF slides to PowerPoint.
PDF to JPG
Convert PDF pages to JPG images.
Word to PDF
Convert Word documents to PDF format.
Excel to PDF
Convert Excel spreadsheets to PDF format.
PPT to PDF
Convert PowerPoint presentations to PDF.
JPG to PDF
Convert images to PDF documents.
PDF OCR
Extract text from scanned PDFs with OCR.
AI PDF AssistantNew
Get AI-powered insights from PDFs.
Chat with PDFNew
Ask questions about your PDF documents.
AI PDF SummarizerNew
Get instant AI summaries of any PDF.
Translate PDFNew
Translate PDF documents to any language.
AI Question GeneratorNew
Generate quiz questions from PDF content.
Sign PDF
Add digital signatures to PDF documents.
Unlock PDF
Remove password protection from PDFs.
Protect PDF
Add password protection to your PDFs.
Flatten PDF
Flatten PDF forms and annotations.
PDF ScannerNew
Scan documents using your device camera.
PDF to Text
Extract raw text from PDF files.
PDF to PNG
Export PDF pages as PNG images.
PDF to SVG
Convert PDF pages to scalable vectors.
Repair PDF
Fix and recover corrupt PDF files.
Grayscale PDF
Convert PDF to black and white.
PDF Metadata Editor
Edit PDF Title, Author and Keywords.
PDF to PDF/A
Convert PDF to archival format.
Invert PDF
Invert PDF colors for night reading.
Why Choose PDFMerger.in
Enterprise-Grade Privacy
256-bit SSL encryption. Files deleted in 60 minutes. We never read or share your documents. GDPR and India PDPB compliant.
Blazing Fast Performance
Optimized infrastructure delivers results in seconds. Even 500-page PDFs handled efficiently across all devices.
Zero Watermark Guarantee
Your output files will never have any watermark, logo, or promotional text. Clean, professional documents every time.
Works Everywhere
No software install required. Works on Windows, Mac, Linux, iPhone, and Android through your browser.
Our Privacy Promise
Your trust is our most important asset. Here is how we protect your documents.
Auto-Deletion
All files are permanently and automatically deleted from our secure servers within 60 minutes. We never keep backups.
Encrypted Pipeline
Your connection to our servers is encrypted with industry-standard 256-bit SSL, protecting your data during transit.
No Data Access
We do not read, view, or analyze your files. The entire process is automated for 100% privacy and zero human intervention.
PDF Guides & Tutorials
Learn how to get the most out of PDF tools with our step-by-step guides.
How to Merge PDF Files Online for Free — Complete 2025 Guide
Learn how to combine multiple PDF files into one document in seconds — completely free and without watermarks.
Read guide →How to Compress a PDF Without Losing Quality — 5 Methods
Five proven methods to reduce PDF file size without visible quality loss — including a completely free online option.
Read guide →PDF to Word Conversion: Complete Free Guide (2025)
Everything you need to know about converting PDF to editable Word documents — free, without watermarks, and including scanned PDFs.
Read guide →Frequently Asked Questions
Go to Merge PDF, upload your PDFs or images, arrange them by drag-and-drop, then click Merge PDF. Your file is ready in seconds with no watermark and no registration required.
Yes. All uploads use 256-bit SSL encryption. Files are automatically and permanently deleted within 60 minutes. We never read or share your documents.
We support files up to 50MB per file, and up to 20 files per session on the merge tool. We are continuously working to increase these limits.
Yes! PDFMerger.in is fully responsive and works perfectly on Android and iPhone browsers. No app download required.
Use our JPG to PDF tool. Upload JPEG, PNG, or WEBP images, choose page size and orientation, and download your PDF instantly.
Never. PDFMerger.in does not add any watermark, logo, or text to your processed documents. This is our core promise.