No. The Remove PDF Annotations tool is not a confidential redaction or sanitization product, and it should not be used to prepare a document for external disclosure, FOIA release, court filing, or any workflow where the goal is to prove that sensitive content has been permanently removed from every byte of the file. The tool's only job is to delete the Annots entry from each page dictionary, which removes interactive page objects such as link regions, text comments, popups, markup, stamps, file-attachment annotations, and form-field widgets. Anything that is not a page annotation can still be present in the downloaded file: flattened highlights, painted form values, embedded images, document metadata, file attachments, JavaScript, optional content layers, recoverable source streams, and prior revision history all sit outside the page annotation arrays and are not touched. The product documentation is explicit that deleting page references does not prove that referenced objects, prior revisions, metadata, attachments, scripts, hidden layers, embedded files, or recoverable source information have been purged from every byte, and recommends a purpose-built redaction workflow for any sensitive disclosure. That recommendation is the answer to the search question, and the rest of this article explains the scope, the limits, and what to do instead.

can i use the remove pdf annotations tool for confidential redaction
can i use the remove pdf annotations tool for confidential redaction

What the tool actually does

The Remove PDF Annotations tool inspects a single PDF that you load from your device, counts the annotation entries it finds across the page tree, and then, when you confirm, deletes the Annots key from every page dictionary before serializing a new local copy. The page count, page order, page boxes, rotation, and existing content streams are preserved, so text, images, and vector shapes that were already drawn as normal page content stay in place. The tool runs entirely inside your browser through a library such as pdf-lib, so the document is not uploaded to a server during loading, inspection, modification, or download creation. The output filename appends -annotations-removed to your original base name, the original file is never overwritten, and an earlier object URL is revoked when you select a new input.

This scope is deliberately small, and that smallness is exactly what disqualifies the tool from redaction work. A page annotation is a specific structural object attached to a page; it is the clickable region of a hyperlink, the popup of a sticky comment, the dictionary that drives a stamp, the widget that makes a form field interactive, and similar constructs. A redaction, by contrast, must erase the underlying content itself, not just the wrapper that makes it interactive.

The gap between annotation removal and redaction

Confidential redaction has a few non-negotiable requirements that annotation removal cannot meet. Three of them stand out.

  • The visible content must actually be destroyed. Removing a link annotation deletes the clickable region but leaves the blue underlined text painted into the page. Removing a highlight annotation clears the markup object, but a highlight that was flattened into the content stream before upload still sits there as colored pixels. Removing a form widget removes the interactive field, but a value that was already painted into the page during form filling is now indistinguishable from regular artwork and is not touched.
  • Hidden structures must be purged. PDF documents can carry metadata, embedded files, JavaScript, optional content layers, and prior incremental revisions that still contain earlier content. The Remove PDF Annotations tool makes no claim about any of these, and its rule (delete the Annots key) does not reach them.
  • The result must be verifiable. A redaction workflow ends with a validated, ideally human-reviewed, copy in which the reviewer can confirm that sensitive bytes are gone. Annotation removal ends with a downloaded file that you are told to open and verify the exact visible result in the viewer of your choice.

Page annotations versus painted page content

The distinction between page annotations and painted page content is the most important concept for anyone asking this question, because it explains why the tool can remove an annotation cleanly and still leave the same information visible. When a comment, highlight, or form value is added, the viewer normally creates an annotation object that points to a region of the page. When the same content is flattened, typically by printing the document to a new PDF or by running a dedicated flatten operation, the annotation is gone and the same visual result is now part of the page's ordinary drawing instructions. A subsequent annotation removal pass sees nothing to remove, because the visual marks are no longer annotations; they are just text and shapes in the content stream. This is why the verified answer to the related question "Will it erase visible highlights or form values?" is "Only if they still exist as annotations. Content already flattened or painted into a page remains."

The same principle applies to link annotations. A hyperlink annotation defines a clickable rectangle on top of normal page content; the visible link text is drawn by the page itself. Removing the annotation deletes the rectangle and its click behavior, but the page still draws the blue underlined glyphs, so a reader who opens the resulting file sees what looks like a working link even though nothing is interactive. If the goal is to scrub a link from the visible page, the underlying text and color must be changed at the content-stream level, which is outside this tool's scope.

How to use Remove PDF Annotations for its intended purpose

If your actual goal is to disable link regions, clear review comments, or strip form widgets from a document you control, the workflow is straightforward.

  1. Open the Remove PDF Annotations tool in your browser and choose one non-empty PDF from your device. The file must be a real PDF, must not be encrypted, and must be no larger than 25 MiB.
  2. Wait for the local inspection to finish. The tool reports the number of annotation entries it found and the number of pages that contain at least one entry. If no annotations are found, no replacement file is created.
  3. Select Remove page annotations to delete every page's Annots entry and serialize a new PDF with the -annotations-removed suffix appended to the original base name.
  4. Download the new file and open it in the viewer that matters to you. Confirm that the interactive behavior you wanted to remove is gone, and look carefully for any visible leftovers (blue link text, painted highlights, filled-in form values) that the tool intentionally does not touch.
  5. Selecting a different input file clears the previous inspection and download state, and any earlier object URL is revoked, so there is no risk of a stale asynchronous job replacing a newer selection.

A short worked example shows how the file-size limit is set. The tool accepts one PDF up to 25 MiB. Converting mebibytes to bytes uses the relationship 1 MiB = 1,048,576 bytes, so the maximum accepted size is 25 × 1,048,576 = 26,214,400 bytes. A 30 MB (decimal megabyte) file at 30,000,000 bytes exceeds that byte count, but the binary and decimal prefixes diverge for larger inputs and you should always measure your document against the 25 MiB ceiling rather than a rounded "25 MB" estimate.

Task in a redaction-ready workflow Remove PDF Annotations Purpose-built redaction tool
Delete the clickable region of a link Yes Yes
Remove review comments and popups Yes Yes
Strip the visible text an annotation pointed at No Yes
Remove flattened highlights painted into the page No Yes
Scrub metadata, embedded files, and JavaScript No Yes
Produce a validated, reviewer-checked final file No Yes

When you need a real redaction workflow

If the document contains names, addresses, account numbers, medical details, or any other information that must not survive disclosure, the right tool is a purpose-built PDF redaction product, ideally one that draws opaque redaction boxes over the content, removes the underlying text and images from the content stream, scrubs metadata and embedded files, and produces a verification report or at least lets a human reviewer confirm that the redacted text is no longer searchable. The Remove PDF Annotations tool cannot do any of that, and the gap is structural, not cosmetic.

A useful next step inside a confidential workflow is to flatten filled form fields with Flatten PDF before redaction so the visible values are stable, and to clear document metadata locally with the PDF Metadata Editor so reviewer and author information does not leak through the file properties. Skipping either step can leave sensitive details recoverable from the redacted file, even after a careful visual review. Encrypted documents are not bypassed by this tool, so password-protected inputs must be unprotected by other means before redaction work can begin.

The honest summary is simple. Remove PDF Annotations is the right tool for the specific job of stripping page-level annotation arrays from an otherwise unchanged PDF in a private local workflow, and it does that job well. It is the wrong tool for confidential redaction, and using it that way is a documentation, legal, and security mistake no matter how clean the output looks.

For a deeper look, see Remove Images From a PDF Without Breaking the File.