This page lists what each PrimePDF tool accepts. All tools work in the browser on desktop, tablet, or phone.

PDF tools

Upload limit: up to 100 MB per file. Editing, filling, signing, merging, splitting, compressing, and page management all work on PDF files.

• From PDF: export to Word, Excel, PowerPoint, PNG, JPG, and Markdown.
• To PDF: import from Word, Excel, PowerPoint, PNG, JPG, and Markdown.
• Image workflows: HEIC to JPEG, HEIC to PNG, Compress Image, and Merge Images.

Image tools

Compress Image and Merge Images accept common image formats. HEIC to JPEG and HEIC to PNG convert iPhone photos. Upload limit: up to 100 MB per file.

File too large?

• Use Compress PDF or Compress Image to bring oversized files under the limit.
• Use Split PDF to break a long document into smaller parts.
• If problems persist, see our upload and conversion troubleshooting guide.

Need clarification?

Not sure which format to use? Our team can help 24/7: contact support.