DevKnife: Color Picker, Ruler, Font, CSS Tools & More - AUFOUNDATION
by AUFOUNDATION
v1.4 Updated Mar 15, 2026 58.15KiB
β
Recently updated
Description
Stop Tab-Switching. Start Building.
DevKnife is the essential "Swiss Army Knife" for modern web developers and designers. Why clutter your browser with five different extensions when you can have one sharp, high-performance tool? Whether you are debugging CSS, picking the perfect brand color, or analyzing typography, DevKnife provides the precision you need in a single click.
π Key Features for Power Users**
- Advanced Color Picker (Eyedropper): Get the HEX or RGB code of any pixel on any website with pixel-perfect accuracy.
- Smart Font Finder: Instantly identify font families, sizes, weights, and line heights used on any page.
- Interactive Page Ruler: Measure margins, padding, and element dimensions with a simple drag-and-drop tool.
- CSS Outliner (Element Inspector): Visualize the DOM structure. Toggle outlines to see how containers are nested and aligned.
- Pro Image Downloader: Extract and download all images from a webpage in high resolution with one click.
- Source Code Grabber: Copy the clean, formatted HTML/CSS of any live site for analysis or inspiration.
π Our Vision: Development with a Purpose**
At AUFOUNDATION, we believe that code can change the world. DevKnife is more than just a productivity toolβitβs a social mission.
50% of all revenue from Pro licenses is donated directly to social causes.** By choosing DevKnife Pro, you aren't just getting premium developer features; you are actively contributing to global welfare and supporting those in need. Develop with precision, build with empathy.
β‘ Designed for Speed
- Global Shortcuts: Use `Shift+1` to `Shift+6` to trigger tools instantly without opening the popup.
- Lightweight & Fast: Zero bloat. DevKnife is optimized for performance and won't slow down your browser.
- Privacy-Focused: We don't track your data. Your workspace is yours alone.
π How to Use:
1. Click the DevKnife icon in your toolbar.
2. Select the tool you need (Color, Font, Ruler, etc.).
3. Use ESC to deactivate any active mode.
4. (Optional) Turn on **Global Shortcuts** in the settings for maximum speed.
Reviews
Loading reviews...
Permissions (2)
Permissions
activeTabβΉ Can access the current tab when you click the extension storageβΉ Can store data locally in your browser
Details
| Version | 1.4 |
| Updated | Mar 15, 2026 |
| Size | 58.15KiB |
| First Seen | Mar 28, 2026 |
More by AUFOUNDATION
Volume Booster & EQ - AUFOUNDATION
by AUFOUNDATION
31
β
5.00
tools
31
β
5.00
tools
Market Pulse - Live Crypto & Stock Price Tracker - AUFOUNDATION
by AUFOUNDATION
20
β
5.00
tools
20
β
5.00
tools
Quick Notes - AUFOUNDATION
by AUFOUNDATION
12
β
5.00
workflow
12
β
5.00
workflow
Swift: MP4 to MP3 Converter & Pro Editor - AUFOUNDATION
by AUFOUNDATION
6
β
5.00
tools
6
β
5.00
tools
Swift Vault: Offline Password & Notes - AUFOUNDATION
by AUFOUNDATION
2
β
5.00
workflow
2
β
5.00
workflow
Popular in developer
GoFullPage - Full Page Screen Capture
by GoFullPage
10M
β
4.89
developer
10M
β
4.89
developer
TouchEn PC보μ νμ₯
by λΌμ¨μνμ΄
8M
β
1.33
developer
8M
β
1.33
developer
React Developer Tools
by Meta
5M
β
3.95
developer
5M
β
3.95
developer
Meta Pixel Helper
by Meta
4M
β
3.91
developer
4M
β
3.91
developer
ColorZilla
by colorzilla.com
4M
β
4.59
developer
4M
β
4.59
developer
Popular Extensions
Adobe Acrobat: PDF edit, convert, sign tools
by Adobe Inc.
331M
β
4.40
workflow
331M
β
4.40
workflow
AdBlock β block ads across the web
by AdBlock
63M
β
4.48
workflow
63M
β
4.48
workflow
θΏ
ι·δΈθ½½ζ―ζ
by Shenzhen Xunlei Network Technology Co., Ltd.
59M
β
2.77
workflow
59M
β
2.77
workflow
Grammarly: AI Writing Assistant and Grammar Checker App
by Grammarly
42M
β
4.50
communication
42M
β
4.50
communication
Adblock Plus - free ad blocker
by eyeo GmbH
41M
β
4.39
workflow
41M
β
4.39
workflow