Scan Enhancer (Clean & Clarify)
Improve readability of scanned documents and photos. Whiten background and darken text.
Scan File Upload
Add PDF or image files
Current 1.15
Current 0.90
Privacy Proof
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✨ Convert
- Auto-threshold
- B&W conversion
- Grayscale mode
- Contrast boost
- Despeckle (Noise remove)
💡 Info
**Receipts** Make phone photos of receipts look like proper scans.
**Old Docs** Restore faded text for archiving.
🚀 Usage
- 1
Upload scan.
- 2
Adjust brightness/contrast sliders.
- 3
Save enhanced version.
Overview
This tool is designed for fast, local processing with no server upload. It focuses on clarity and repeatable results.
When to use it
- • When you need a quick result without installing software.
- • When you must keep files on your device for privacy.
- • When you want a predictable output for reuse or sharing.
How it works
Your file is processed in the browser. The workflow is deterministic and optimized for common document patterns.
Best practices
- • Start with a small sample to confirm output expectations.
- • Keep file names simple to avoid OS-specific edge cases.
- • If results look off, try the tool again after a page refresh.
Common mistakes
- • Uploading encrypted or corrupted files without preparing them first.
- • Assuming a tool will fix formatting issues outside its scope.
- • Closing the tab before the download completes.
⚠️ Limits
- • Works best on high contrast docs
- • Blurry text is hard to fix
📥 Inputs & Outputs
Inputs
- Scan Image/PDF Formats: jpg, png, pdf
Outputs
- file Formats: jpg, pdf
🔒 Privacy & Security
- • Processing is on GPU.
🛠 Troubleshooting
Too dark?
Lower the threshold.
Too washed out?
Check if 'White Level' is too high.
Color gone?
B&W mode removes color. Use 'Color Enhance' instead.
❓ FAQ
Is it AI?
Uses image processing algorithms.
Free?
Yes.
Secure?
Local.
PDF support?
Yes, renders pages as images.
Mobile?
Yes.
Batch?
Yes.