Responsive Preview & Element Remover just launched (PRO)
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Install Free On Chrome
Changelog
v2.1
New Features
Star / Quick Access — pin any tool to the top of the popup for instant access
Keyboard shortcuts — launch any tool with a single key press (press ? to see all shortcuts)
Rate Us — rate DevToolkit from the popup or Settings → Rate Us
Improvements
Full page screenshot now correctly loads lazy images before capturing
Full page screenshot now renders vh-based sections at the correct height
Sticky and fixed headers no longer appear duplicated in screenshots
Blocked sites (strict CSP) now show a clear message instead of silently failing
Settings → About now lists all 18 tools with descriptions
Settings → Changelog links to the full release history on the website
Extension icon shows a NEW badge after each update
Fixes
Element Remover restore button now works correctly
Element Remover quick actions no longer affect the extension’s own toolbar
Asset Downloader correctly detects file extensions from CDN URLs
v2.0
New Features
DevToolkit Pro — one-time licence with lifetime access and all future tools included
Responsive Preview — live side-by-side iframes at Mobile, Tablet, and Desktop breakpoints
Font Detector & Downloader — identify every font rendering on a page and download the files
Email Finder — extract all public email addresses from a page with deep scan and CSV export
Cookie Editor — view, create, edit, and delete cookies with import/export support
Element Remover — hide, remove, or blur any element on any page with undo and CSS export
Mockup Generator — turn any screenshot into a device mockup for client presentations
Ruler & Measurement — measure any element or distance on any page with pixel precision
Settings → Licence — activate, validate, and deactivate your Pro licence key
Upgrade prompt shown inside each Pro tool for free users with a direct checkout link
Improvements
Pro tools show a lock badge for free users instead of no indicator
Settings → About updated with full feature list for free and Pro tools
Support link added to popup footer and Settings → About page
v1.0
Initial Release
Full Page Screenshot — capture complete screenshots in PNG or JPEG with custom scale and filename
Color Picker — sample any color from any webpage and copy as HEX, RGB, HSL, or HSV
CSS Inspector — hover any element to view its computed styles, layout, and box model
Asset Downloader — discover and download all images on a page including lazy-loaded assets
Debug Panel — clear cache and site data, inject custom CSS or JavaScript for live testing
SEO Audit — instant on-page report covering meta tags, headings, Open Graph, and structured data
Sitestack Detector — identify the CMS, framework, CDN, and hosting provider of any website
Task Reminders — create reminders with desktop notifications that fire even when the popup is closed
Quick Admin Login — one-click access to the admin panel of supported CMS platforms