Add-ons foar Firefox Browser
  • Utwreidingen
  • Tema’s
    • foar Firefox
    • Wurdboeken en taalpakketten
    • Oare browserwebsites
    • Add-ons foar Android
Oanmelde
Foarbyld fan Pixefy - Responsive Design Checker

Pixefy - Responsive Design Checker troch Pixefy

Preview and debug your website’s responsiveness across multiple devices in real-time, all inside one browser tab.

5 (1 beoardieling)5 (1 beoardieling)
46 brûkers46 brûkers
Firefox downloade en de útwreiding ûntfange
Bestân downloade

Metadata útwreiding

Skermôfbyldingen
Test and preview all screen sizes in one place.
Compare devices side-by-side, sync interactions, edit styles live, and debug faster.Edit CSS live, measure spacing with pixel precision, and inspect all colors and assets instantly.
Fine-tune your design directly inside the browser.Simulate color blindness and vision impairments, check contrast ratios, and ensure WCAG compliance instantly.
Build accessible, inclusive designs with ease.Switch between flexible layouts – side-by-side or stacked.
Save custom breakpoints, sync scroll and clicks, and streamline your responsive testing workflow.Keep a full edit history of every CSS modification.
Compare before/after values, copy or export all changes, and stay in control of your design adjustments.
Oer dizze útwreiding
Pixefy helps you spot layout issues instantly and fine-tune designs with live editing tools – right as you build.
It simplifies responsive testing by letting you preview, debug, and edit across multiple screen sizes in one place – no more switching tabs or resizing windows manually.

🚀 Key Features:

✅ Live Responsive Previews – Test across multiple screen sizes side-by-side. Scroll, click, and interact on all screens simultaneously.
✅ Custom Screens & Presets – Create and save your own breakpoints, or use popular device resolutions out of the box.
✅ Screen Management – Rearrange, stack (horizontal/vertical), rotate, or zoom screens globally for a flexible workspace.
✅ Inspect & X-Ray – Inspect styles, edit attributes live, and debug layouts with Visual Box Model, grids, and X-Ray overlays.
✅ CSS Debugging Tools – View/edit computed styles, measure distances between elements, compare two elements, and track all changes in the Activity Tab.
✅ Content Editing – Instantly replace text or images, and check word/character counts directly on the page.
✅ Asset Downloads – Extract SVGs, PNGs, and other assets directly from Inspect Tool tabs.
✅ Screenshots – Capture full pages, visible areas, or selected regions in one click.
✅ User Agent Switching – Simulate different devices, browsers, or bots to see how your site adapts.
✅ Accessibility Tools – Test AA/AAA contrast ratios, extract all colors, and preview vision impairments with blindness simulations.
✅ Utilities – Live Dimension Widget (viewport width/height), copy any value or asset to clipboard, clear cache & refresh Pixefy.
✅ Themes – Switch between light and dark mode instantly.

Pixefy is regularly updated based on user feedback.
Report issues or share ideas: www.pixefy.io/feedback
See what’s new: www.pixefy.io/changelog
Wurdearre: 5 troch 1 beoardieler
Meld jo oan om dizze útwreiding te wurdearjen
Der binne noch gjin wurdearringen

Stjer-wurdearring wurdt bewarre

5
1
4
0
3
0
2
0
1
0
1 beoardieling lêze
Tastimmingen en gegevens

Fereaske machtigingen:

  • Resinte browserskiednis, cookies en relatearre gegevens wiskje
  • Ynhâld op elke side blokkearje
  • Browserljepblêden benaderje
  • Browseraktiviteit wylst navigearjen benaderje

Opsjonele machtigingen:

  • Jo gegevens foar alle websites benaderje
Mear ynfo
Mear ynformaasje
Add-on-keppelingen
  • Startside
  • Stipewebsite
  • E-mailadres foar stipe
Ferzje
1.0.0
Grutte
1,98 MB
Lêst bywurke
9 oeren lyn (8 jan. 2026)
Sibbe kategoryen
  • Webûntwikkeling
Lisinsje
Alle rjochten foarbehâlden
Ferzjeskiednis
  • Alle ferzjes besjen
Labels
  • container
  • download
Tafoegje oan kolleksje
Dizze add-on rapportearje
Nei Mozilla’s startside

Add-ons

  • Oer
  • Firefox-add-onsblog
  • Utwreidingsworkshop
  • Untwikkelershub
  • Untwikkelersbelied
  • Mienskipsblog
  • Foarum
  • In bug melde
  • Beoardielingsrjochtlinen

Browser

  • Desktop
  • Mobile
  • Enterprise

Produkten

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Juridysk

Utsein oars vermeld, is op de ynhâld fan dizze website de Creative Commons Attribution Share-Alike License v3.0 of lettere ferzje fan tapassing.