Compare PDF
Compare the extracted text of two PDFs page by page.
This PDF workflow runs locally in the browser. Files and passwords are not sent to a NexterHub upload endpoint.
Instructions: Compare PDF
Follow these steps to get a reliable result without unnecessary setup.
- 1
Choose exactly two PDF files.
- 2
Run Compare PDFs.
- 3
Review the page-by-page text comparison summary.
- 4
Use a visual/legal comparison tool if pixel-perfect redlining is required.
About this tool: Compare PDF
Compare PDF extracts text from two PDFs and reports page-level textual differences. It is designed for fast content checks rather than visual forensic comparison.
How it works
The browser extracts text from each page and compares normalized page text in matching positions.
Practical example
Compare two revisions of a policy PDF to identify which page numbers have changed text.
Important notes
Scanned pages without embedded text should be OCRed first. Visual formatting changes may not be detected.
Privacy & processing
Text extraction and comparison run locally in your browser.
Frequently asked questions
Does Compare PDF upload my file?
No. This Phase 14 implementation performs the advertised processing in the browser unless the page explicitly states otherwise.
What files work with Compare PDF?
Use a normal PDF within the browser size limits shown by the uploader. Unsupported, encrypted or severely corrupted files can return a clear error.
Can I use Compare PDF on a phone?
Yes. The interface is responsive, although larger PDFs can require more memory and processing time on mobile devices.
Will the output always look identical to the source?
Not always. The exact result depends on the operation and the PDF structure. NexterHub explains transformations that can change text, layout or image quality.
What should I do if processing fails?
Try a smaller or different PDF, remove password protection where required, and confirm that the file opens normally in a standard PDF viewer.