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Split textbook PDF parts are hard to merge

Large PDFs are split into parts that ordinary users cannot merge, and the bundled merge script is buggy.

Tier II · Emerging Problems that are still building up.

3 public reports · first reported 15 May 2025 · last reported 5 July 2026

Idea report · $9 · No contacts · All sales final

See a sample idea report

What's going wrong

Many people using this textbook project find that large PDF files are stored as numbered fragments that do not open on their own.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 3 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.