How to Scan a Document Online Free
You don't need a scanner to digitize documents. Take a photo of your document with your phone, upload it to ImgToolkit's Document Scanner, and the tool applies contrast enhancement, perspective correction, and B&W/grayscale processing to create a clean, scanlike output — all in your browser.
Quick Answer
You don't need a scanner to digitize documents. Take a photo of your document with your phone, upload it to ImgToolkit's Document Scanner, and the tool applies contrast enhancement, perspective correction, and B&W/grayscale processing to create a clean, scanlike output — all in your browser.
Try it now — free, no signup
Your images stay on your device. Nothing is uploaded to any server.
Step-by-Step Guide
4 steps · takes under 1 minute
Take a photo of your document
Use your phone camera to photograph the document on a flat surface with good lighting.
Upload the photo
Open the Document Scanner and upload your photo.
Choose output mode
Select Black & White (best for text), Grayscale, or Enhanced Color.
Download the scan
Click Download — your clean scanned document image saves instantly.
100% Private — Zero Uploads
ImgToolkit runs entirely in your browser using the Canvas API. Your images are never sent to a server, never stored in the cloud, and never seen by anyone else. This makes it safe for sensitive documents, client work, medical imagery, and confidential screenshots.
Pro tip
Use 75–85% quality for web images — you get 60–80% smaller files with no visible difference at normal screen sizes.
Format & File Size Comparison
Same 1080×1080px photo processed four ways
| Format | Quality | File Size | Notes |
|---|---|---|---|
| PNG (original) | Perfect | 4.2 MB | No compression — too large for web |
| Compressed PNG | Visually identical | 1.1 MB | −74% — transparency preserved |
| JPG (85% quality) | Excellent | 310 KB | −93% · Best for photos |
| WebP (85%)BEST | Excellent | 205 KB | −95% · Recommended for web |
Based on a 1080×1080px photo. Results vary by image content and complexity.
Related Free Tools
All tools run in your browser — no account or upload needed
Frequently Asked Questions
2 questions answered