Enhance Scanned Documents
Make marksheets, certificates, forms, and document photos clearer before upload â privately in your browser.
Make marksheets, certificates, forms, and document photos clearer before upload — privately in your browser.
JPG, PNG, or WebP up to 15MB
How to enhance scanned documents
- Upload image: Select a photo of your marksheet, certificate, or document.
- Adjust settings: Use presets like "Clean Scan" or manually adjust brightness and contrast.
- Preview: Check the "Enhanced" preview to ensure the text is clear.
- Download: Choose your format (JPG or PDF) and download your ready-to-upload file.
Tip: For best results, use a photo taken in good light and crop close to document edges.
What this scan enhancer does
The Scan Enhancer tool uses browser-side image processing to improve the clarity of document photos. It can brighten dark images, increase contrast to make text "pop", and sharpen blurry scans. It's specifically designed to help Indian users prepare documents for portals like JEE, UPSC, and banking uploads.
Common Indian use cases
- Academic Documents: Make marksheets and degrees clearer for university applications.
- Identity Proofs: Improve Aadhaar, PAN, and Voter ID photos before self-attestation.
- Banking & Finance: Enhance photos of handwritten forms or cancelled cheques.
- Receipts & Certificates: Clean up scanned income or caste certificates for government portals.
Privacy note
Your privacy is our core pillar. This tool works entirely in your browser using the Canvas API. Your sensitive documents never leave your device and are never uploaded to our servers. Safe, private, and free.
Scan Enhancer FAQs
Is this scan enhancer free?
Yes. OctaveKit Scan Enhancer is 100% free with no hidden charges.
Are my documents uploaded?
No. All processing happens locally on your device. We do not store or see your files.
Can I enhance marksheets and certificates?
Absolutely. It is designed for documents where text clarity is essential for portal verification.
Can I convert the enhanced image to PDF?
Yes, you can choose "PDF Document" as the export format after enhancing your image.
Does this tool read my document data?
No. This tool only applies visual filters to the image pixels. We do not perform OCR or data extraction.
Related tools
Need to crop first? Use the Document Cropper. If you have multiple images, use Image to PDF.