Scan Documents
to PDF Online Free
Capture documents using your camera or upload images from your gallery. Auto-crop document edges and generate professional PDF files directly in your browser with complete privacy.
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JPG, PNG, WEBP, HEIC supported · Max 30MB per file
Camera captures trigger auto-crop. After taking a photo, you'll preview the detected document area. Accept to crop or keep the full image. You can also re-crop any uploaded image using the button on its card.
Auto Document Crop
Sobel edge detection finds the document boundary and crops out the background automatically.
100% Private
All processing runs in your browser. Your photos never leave your device.
Instant PDF
Multi-page PDF generated locally in seconds — no waiting, no app needed.
Scan Documents to PDF Online with Auto Crop
Convert photos into clean PDF documents directly in your browser using MERAPDF's free document scanner. Capture documents using your device camera or upload existing images from your gallery, then automatically detect document edges and crop unwanted backgrounds for a professional scanned appearance.
The scanner supports JPG, PNG, WEBP and HEIC images and can combine multiple pages into a single PDF file. Whether you're scanning receipts, invoices, contracts, assignments, certificates, forms, ID copies or handwritten notes, the tool helps create organized digital documents without requiring any installation.
Unlike cloud-based scanners, all image processing, cropping and PDF generation happen locally in your browser. Your photos never leave your device, making the tool ideal for sensitive business, legal, academic and personal documents.
Private Mobile Document Scanner for Everyday Use
Scan Documents Anywhere
MERAPDF works as a lightweight mobile document scanner on Android phones, iPhones, tablets, laptops, and desktop computers. Simply capture a photo, review the detected crop area, arrange pages, and generate a high-quality PDF within seconds.
Smart Edge Detection
Automatic document boundary detection helps remove unwanted backgrounds, desk surfaces, and shadows. The result is a cleaner, professional-looking PDF suitable for printing, sharing, archiving, and record keeping.
100% Private Processing
Everything runs directly inside your browser. There are no accounts, no subscriptions, no file uploads, and no waiting for external servers. Your images remain on your device at all times.
Frequently Asked Questions
How does the document scanner work?
The scanner analyzes uploaded or captured images, detects document boundaries, allows cropping, and converts one or more images into a PDF directly inside your browser.
Are my scanned documents uploaded to a server?
No. All scanning, cropping and PDF generation happen locally in your browser. Your files remain on your device.
Can I scan documents using my phone camera?
Yes. On supported mobile devices, you can capture images directly from the camera and convert them into PDF documents.
Which image formats are supported?
The scanner supports JPG, JPEG, PNG, WEBP and HEIC image formats.
Can I combine multiple pages into one PDF?
Yes. Upload multiple images, arrange them in the desired order and generate a single multi-page PDF.
Does the scanner work offline?
Most scanning and PDF generation features can run locally in the browser after the application has loaded.
If MERAPDF helped you convert, compress, or secure your documents, you can support its development. Your contribution helps keep this project always free, offline, and privacy-first.
🇮🇳 Donate via UPI
Scan with any UPI app
Donations are optional. No files are uploaded. No data is stored.