Scan & Convert to PDF
Auto Document Crop
Capture a document with your camera — MERAPDF automatically detects edges and crops it for a clean scan. No app, no upload needed.
— or —
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.
Free Mobile Document Scanner with Auto Crop
MERAPDF uses browser-based Sobel edge detection to automatically identify document boundaries in your photos. Photograph a receipt, contract, or letter — the tool highlights the detected document area and lets you crop out the background for a clean, professional scan. All processing is local with zero uploads.
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.