ruler
Simple tool for measuring arbitrary parts of a page. Does not and will never contain adware.
7,896 个用户
Ruler
Add a ruler below your mouse to help read long lines. Fired by ctrl+click
175 个用户
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27,557 个用户
Page Ruler
Measure page elements size in pixel with an easy-to-use ruler.
3,162 个用户
Reading Ruler
Highlights the line of text you are reading.
546 个用户
Grids & Rulers
Create rulers and grids overlays to help develop your web applications
1,758 个用户
Better Ruler
一款支持吸附页面元素的网页测量工具
125 个用户
0 个用户
Pixel Ruler
A ruler for measure something in a website. Just press Alt button in a website and move your mouse.
125 个用户
Page Grid Ruler
Draw a grid view, get page dimensions in pixel (px) unit and draw a rule
97 个用户
The Reading Ruler
A ruler that overlays a website to help you read. Helpful for people who struggle with reading and retaining information.
8 个用户
7 个用户
20-20-20 Rule
Prevent eye strain with the 20-20-20 Rule reminder.
79 个用户
IDM Integration Module
Download files with Internet Download Manager
713,853 个用户
Dictionariez: one to rule them all
Dictionariez(Dictionaries): This extension help you reading articles, looking up words of any language in various dictionaries, and exporting words to Anki, facilitating your language learning process.
785 个用户
BrowserOffice :: Web Rulers
Highly customizable interactive rulers for measuring HTML elements
13 个用户
193 个用户
Lexia Reader
阅读和学习速度提高 2-3 倍:用于阅读障碍的 OpenDyslexic 字体、用于集中阅读的线尺、用于眼睛疲劳的屏幕着色器。
232 个用户
Tab Scheduler - auto open & close
Browser tabs will be open and close automatically at selected time. User can activate/deactive list based on requirement
696 个用户
Fake Filler
A form filler that fills all form inputs (textboxes, textareas, radio buttons, dropdowns, etc.) with fake and randomly generated data. The purpose of this extension is to help developers and testers test forms quickly and easily.
11,665 个用户
30 个用户
Web Scrobbler
追踪全网音乐播放记录!
16,276 个用户
WebRequest Rules
Customize web requests by coding JavaScript yourself.
64 个用户
PKCS11 module loader
Configures Firefox to use PKCS11 for authentication
12,002 个用户
Wizdler
Parses the WSDL files and generates SOAP messages for you.
3,022 个用户