100PDF offers free PDF tools to merge, split, compress, convert PDF to JPG or PNG, convert JPG or PNG to PDF, and protect PDFs. Files stay in your browser.
Files, ranges, and passwords stay in this browser.
Choose the right PDF workflow
100PDF (also written 100pdf or 100 PDF), available at 100pdf.com, explains what each browser tool changes, what it leaves unchanged, and what to check before using the downloaded result.
JPG or PNG?
Choose JPG for smaller, broadly shareable page images. Choose PNG when sharp text, line art, or UI details matter more than file size. Multi-page conversions download as a ZIP so every page remains a separate image.
What compression can change
100PDF compression resaves PDF structure with object streams. It does not downsample embedded images, so an already optimized or image-heavy PDF may not become smaller. The result panel shows both sizes so you can decide whether to keep the new copy.
Check the result
Damaged, encrypted, or unusually large files can exceed browser limits. Keep the original, open the downloaded result, confirm page order and readability, and never rely on a converted or protected copy before checking it.