PDF version hint
ClientPreflight before compatibility-sensitive workflows.
About PDF version hint
Report page count and pdf-lib load status. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
Common use cases
- PDF version hint for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Open the page directly—multi-field or file inputs are not URL-prefilled.
More tools
Related utilities you can open in another tab—mostly client-side.
PDF info
ClientInspect page count, metadata, and encryption status—processing stays in your browser.
PDF encryption hint
ClientReport whether PDF appears encrypted.
Compress PDF
ClientBest-effort PDF shrink by re-saving in the browser—not server OCR or Ghostscript; see size before/after.
Edit PDF metadata
ClientChange PDF title, author, subject, and keywords in the browser—download an updated copy without upload.