201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
Disable Content-Security-Policy
Unknown author · Developer Tools
3.5★103 ratings70K usersUpdated Sep 3, 2024
Live editor for CSS, Less & Sass - Magic CSS
Featuredhttps://webextensions.org/ · Developer Tools
4.6★279 ratings70K usersUpdated Jul 24, 2024
dataslayer
Featureddataslayer.org · Developer Tools
4.5★83 ratings70K usersUpdated Jun 9, 2025
Screen Ruler - Measure and Inspect the Web
Featuredscreen-ruler.com · Developer Tools
4.3★62 ratings70K usersUpdated Oct 23, 2026
Jira Assistant: Worklog, Sprint report, etc
Featuredjiraassistant.com · Developer Tools
4.6★206 ratings70K usersUpdated Sep 4, 2025
Canvas Blocker - Fingerprint Protect
FeaturedUnknown author · Developer Tools
3.8★59 ratings70K usersUpdated Apr 14, 2026
Web Data Assistant
FeaturedUnknown author · Developer Tools
3.5★64 ratings70K usersUpdated Feb 26, 2026
TagHound - Analytics/GTM/Pixel Debugger
Featuredhttps://trafikant.pro/ · Developer Tools
4.8★110 ratings60K usersUpdated Dec 27, 2024
CSS Used
Featuredbobscript.com · Developer Tools
3.9★203 ratings60K usersUpdated Sep 24, 2026
HttpWatch: HTTP Debugger
NEUMETRIX LIMITED · Developer Tools
2.5★15 ratings60K usersUpdated Oct 22, 2026
Yet Another REST Client
Featuredhttp://yet-another-rest-client.com/ · Developer Tools
4.4★138 ratings60K usersUpdated Feb 25, 2025
NetMirror Web
netmirrorr.net · Developer Tools
4.5★6 ratings60K usersUpdated Aug 18, 2026
Scorpion Python Shell
Game Scorpion Inc. · Developer Tools
3.7★207 ratings60K usersUpdated Aug 4, 2026
Website IP
Unknown author · Developer Tools
4.1★209 ratings60K usersUpdated May 28, 2024
CookieManager - Cookie Editor
FeaturedUnknown author · Developer Tools
3.4★31 ratings60K usersUpdated Sep 1, 2026
The Stream Detector
FeaturedUnknown author · Developer Tools
4.5★22 ratings60K usersUpdated Jul 10, 2023
RestMan
FeaturedUnknown author · Developer Tools
4.3★46 ratings60K usersUpdated Dec 5, 2024
Google Apps Script Tools
Unknown author · Developer Tools
2.7★31 ratings60K usersUpdated Jun 25, 2026
Fontanello
FeaturedUnknown author · Developer Tools
4.6★47 ratings60K usersUpdated Apr 22, 2024
X Pixel Helper
FeaturedUnknown author · Developer Tools
3.5★22 ratings60K usersUpdated Sep 17, 2026