fio Web & PDF Highlighter

by m15016190267@gmail.com · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 18 Oct 2026

Highlight and annotate web pages and PDFs with multiple colors, folder management, notes and auto-citation

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#268K

#224K among extensions

Version

1.0.1

updated 11 May 2026

Users

monthly, 6 months

Latest, 18 Oct 2026: 5 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 18 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About fio Web & PDF Highlighter

在网页和PDF上划选文本即可添加高亮标注，再次访问同一页面时标注会自动恢复。支持五种颜色、笔记批注和文件夹分类，通过浏览器侧边栏统一管理所有标注。功能： - 选中网页文本后右键即可高亮，支持黄、绿、蓝、粉、橙五种颜色 - 在线PDF自动用内置阅读器打开，支持PDF内划词高亮 - 侧边栏面板浏览和管理标注，按文件夹分类整理 - 为每条标注添加笔记 - 重访页面时自动恢复已有标注所有标注数据仅存在浏览器本地，不上传任何服务器。