Feature Summary

Add highlight marks to text in a PDF document to emphasize or annotate important content.

Feature Description

Feature Dimension Description
Membership Restriction A membership is required to edit PDF files
Version Restriction No version restriction

Operation Steps

Add Highlight Using the Ribbon

Feature Entry
「Comment」 tab → 「Highlight Text」 button

  1. Click the 「Comment」 tab in the top menu bar
  2. Click the 「Highlight Text」 button
  3. Select a highlight color in the pop-up color picker
  4. Hold down the left mouse button and drag to select the text you want to highlight
  5. After releasing the mouse, the selected text will display a highlight effect

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Change Highlight Color

Feature Entry
Click the added highlighted text

  1. Click the text with the added highlight
  2. Click the 「Color」 「Button」 in the pop-up toolbar
  3. Select a new highlight color

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Delete Highlight

Feature Entry
Right-click the added highlighted text

  1. Right-click the text with the added highlight
  2. Select the 「Delete」 option in the pop-up menu
  3. The highlight effect will be removed

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FAQ

Q1: What is the difference between the Highlight Text feature and Area Highlight?

Highlight Text can only highlight text content, while Area Highlight can add a highlight area anywhere on the page.

Q2: How to batch delete all highlights?

In the 「Comment Management」 panel, you can select and batch delete all highlight annotations.

Q3: Can the highlight color be customized?

Yes. After clicking the Highlight Text button, select 「Other Colors」 in the color picker to customize the color.

Notes

  • Highlight annotations do not modify the original PDF content and are only displayed as annotations
  • Highlight annotations require PDF reader support to display properly
  • You can view and manage all highlight annotations in 「Comment Management」