What PDF Comparison Can and Cannot Do
Key points
- Text can be compared
- Images cannot
- Layout cannot
What it can do
- Find added and removed text.
What it cannot do
- Differences in images and drawings
- Differences in color and layout
- Scanned PDFs (they have no text)
Compare Two PDFs (Find Differences) is a tool for seeing text differences.
Use "Compare Two PDFs (Find Differences)" (free)Tools that go well with this
- Extract Text from PDF: Pull the text out of a PDF to copy or save.
- Merge PDFs: Combine several PDF files into one, in the order you choose.
- Read Text from Images and PDFs (OCR): Turn text in images and scanned PDFs into text.