By Ashutosh Sharma · 2026-07-18 · 3 min read
PDF, OCR, and e-sign without uploading client files
A practical stack for merge/split PDFs, extracting text from scans, and stamping a signature — all client-side.
Client packets often arrive as messy PDFs and phone photos of contracts. Uploading them to random convert sites is a bad habit. Here is a local-first stack using FreeUtilityHub.
1. Clean the PDF packet
Use PDF Tools to merge signed pages, split only the pages you need, rotate phone scans, or add a light watermark for drafts.
- Merge when you have separate cover + SOW + appendix files.
- Split when a 40-page pack only needs pages 2–4 for your records.
- Images → PDF when the client photographed pages; prefer JPG/PNG under ~5MB each.
2. Pull text from a scan (OCR)
Open OCR — Image to Text, choose the language, and upload a clear image. First run downloads a Tesseract language pack (several MB). After that, recognition stays local.
Better OCR results
- Good lighting, high contrast, no blur
- Crop to the text region
- Avoid heavy JPEG compression on fine print
3. Add a signature carefully
The Digital Signature tool lets you draw a mark and stamp the last page of a PDF. That is useful for informal approvals. It is not a full DocuSign-grade legal workflow with certificates and audit trails.
Browser tips
- Chrome/Edge/Firefox recent versions for large PDFs
- On mobile, prefer smaller files; big AI models (background remover) may be slow
- Check the privacy badge on each tool before processing sensitive material
Related: Background Remover for product photos (downloads an on-device model on first use).
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