Latency Mon
Monitor URL response latency with a live sparkline chart
Code Fmt
Beautify and format JSON HTML CSS or minified JavaScript
HTTP/S Client
Lightweight popup HTTP client for testing API endpoints
Palette Forge
Build 5-colour palettes with harmony rules and CSS export
Inline Value key
Adds fast inline step controls for numeric input fields with smooth interaction and cancel support. Users can quickly adjust numeric inputs without typing manually
사용자 2명
Control Freak’s QR Code Generator
The ultimate QR code generator for nerds, developers, designers, and power users. Control every detail from error correction and mask patterns to colors, corner rounding and custom branding with logos.
사용자 2명
Knowledge Vault
Save and manage knowledge from anywhere on the web directly to your personal Knowledge Vault instance.
사용자 2명
Var Inspect
Inspect CSS variables on any page with copy support
Grad Text
Generate CSS gradient text with live preview and copy
Sitemap XML Validator
Open any sitemap XML URL in Firefox and this add-on detects it automatically — or paste a URL manually. Validates XML structure, checks every <loc> URL for HTTP status, and exports a full CSV report. No account required.
URL Encode
Encode or decode URL components and query strings
CSS Units
Convert px rem em vw vh between CSS unit types live
HTML from MD
Transform Markdown into styled HTML and export to clipboard
Num Facts
Enter a number to see its mathematical properties and facts
CDN-JS Redirector
把各种网页常用的第三方JS库的网络请求直接重定向到cloudflare和unpkg，利用缓存命中减少不必要的不同平台CDN对同一个JS库的重复请求，也可以处理某些CDN(比如googleCDN)在部分地区无法访问的问题。
사용자 2명
HTTP Headers
Fetch any URL and inspect its HTTP response headers
Padash Hadi
A helper extension that automatically sets 1 as the default value in the unit field on setinrate.com.
사용자 2명
IP Lookup
Look up any IP address for ISP country city and timezone
