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Annotate PDF guide

PDF annotation versus editing existing text

Use annotation to mark and comment on content; use additive editing to place new text, while neither workflow rewrites existing text in the current tools.

Updated September 2026 · PDFKaka EditorialOpen Annotate PDF
Create an original comparison diagram showing the choices discussed in “PDF annotation versus editing existing text”; use only behavior verified in the capability matrix.

How these workflows differ

  • Use annotation to mark and comment on content; use additive editing to place new text, while neither workflow rewrites existing text in the current tools.
  • Choose the result that communicates the intended review without implying the source wording was changed.

What this annotation control does not support

One selected page per job with a fixed horizontal highlight band and optional visible note; no arbitrary text selection or freehand annotation.

FAQ

Can I select exact words or draw freehand annotations?

No. The current Annotate PDF control uses a fixed horizontal highlight band on one selected page, with an optional visible note.

What is the current input limit for Annotate PDF?

PDF; One PDF ≤50 MiB, ≤500 pages.

What does Annotate PDF create?

Adds a visible highlight band and optional note to the selected page; source content is not rasterized by default. One PDF ≤150 MiB with new annotation marks.

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