Choose lossless resource optimisation or stronger image-based compression with clear quality trade-offs.
Both modes run entirely in this browser using WebAssembly, PDF.js, and Canvas. Your PDF is never uploaded to a server.
Add Page Numbers
Number all or selected PDF pages with custom format, position, size, and margins.
Compare PDFs
Find page-aligned visual differences with an overlay slider and local report.
Crop PDF
Adjust visible PDF page boundaries locally without rasterising or deleting content.
Delete PDF Pages
Select and remove unwanted pages from a PDF — all in the browser.