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Photo → Scanned PDF

Turns phone photos of paper documents into clean, scanner-quality A4 PDFs with perspective correction, background whitening, and a mandatory whole-document check.

UtilitiesIntermediate★ 1,323⑂ 212AI score 9/10Last updated: Aug 8, 2026

What it does

  • Rectifies perspective on phone photos of contracts, receipts, stamped certificates, forms, and handwritten notes (with EXIF rotation handled).
  • Runs noteshrink palette quantization so backgrounds go flat white, ink returns to black, and red stamps stay red — colored paper stock goes through a separate white-balance pre-pass.
  • Assembles a 200 dpi A4 PDF with edge cropping, then builds a contact sheet so every page is verified for order, duplicates, missing pages, and color contamination.
  • Orders pages by content (date, title, page number) rather than filename, because batch-exported photos (WeChat/AirDrop) share near-identical timestamps.
  • Secondary pipeline: synthesize a handwriting-style signature onto a digital document that has no signature yet, then apply the same scan look.

Who it's for

  • Office and back-office staff digitizing stacks of stamped contracts, tax forms, or claim documents.
  • Anyone wanting a free, local replacement for CamScanner-style apps.
  • Users who need to re-shoot and swap a single page inside an existing scanned PDF.
  • Comfortable with the terminal and able to install uv and poppler.

Examples

  1. 17 contract photos → one PDF: say "make these look scanned" and the skill rectifies each photo, reads dates/titles to rebuild the true order (in a real case the photos were in exact reverse order), whitens all white pages in one global-palette batch, and outputs an A4 PDF.
  2. A file mixing white and blue paper: colored pages are routed through the white-balance pre-pass so ink doesn't render blue-purple and white pages don't pick up tinted shadows.
  3. Replacing page 3 of an existing scan: process the new photo through the same steps, overwrite only that page's PNG, reassemble, and use the contact sheet to catch off-by-one slot errors that would clobber a neighboring page.

· · · Install guide · · ·

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the daymade-docs/photo-to-scanned-pdf folder from the GitHub repo daymade/claude-code-skills into my ~/.claude/skills/photo-to-scanned-pdf/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/daymade/claude-code-skills.git && mkdir -p ~/.claude/skills && cp -r claude-code-skills/daymade-docs/photo-to-scanned-pdf ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal (macOS Terminal, or WSL/Linux shell).
  2. Install prerequisites: brew install poppler and install uv with curl -LsSf https://astral.sh/uv/install.sh | sh.
  3. Clone the skill repo: git clone https://github.com/daymade/claude-code-skills.git
  4. Copy the skill into your Claude Code skills folder: mkdir -p ~/.claude/skills && cp -r claude-code-skills/daymade-docs/photo-to-scanned-pdf ~/.claude/skills/
  5. Warm up dependencies once with uvx noteshrink --help (first run takes ~30 s to build).
  6. Put your photos in a working folder, start Claude Code there, and ask: "turn these photos into a scanned PDF".
  7. Before sending the file anywhere, open the generated contact.png yourself and confirm every page is present and in the right order.
View source on GitHub ↗License: MIT