Latest update
Version 1.0.0 (2607291817)
Stable release with the current core feature set and supported platform packages.
◢ 01 — All-in-one developer toolbox
The all-in-one debugging toolbox for front-end developers
Color picker, UA switcher, device emulator, API debugger, CORS & header checks, page analysis and more — one extension, every browser.
7
Languages
4
Browsers
51
Tools
100%
Local-first
zydevkit — console● live
$
window.__ZYDEVKIT__runtime · injected
A closer look
ZyDevKit. The product in action
Real product interface and availability across supported platforms.
◢ 02 — Features
Powerful features for efficient development
Everything you need to debug, design and test the current page — without leaving it.
01
Advanced Color Picker
Eyedropper, magnifier, HEX/RGB/HSL/OKLCH formats and code exports.
# color
02
User-Agent Switcher
Simulate mobile, WebView and desktop browsers with one click.
# network
03
Device Emulator
16 device templates, custom sizes and responsive preview.
# layout
04
API Debugger
Environments, variable checks, response assertions, summaries, cURL import and code export.
# http
05
CORS Checker
Preflight analysis with clear server-side fix suggestions.
# security
06
Page Analysis
Performance, SEO checklist and page color extraction.
# audit
07
Browser Data Workbench
Manage current-site browser data and create password-encrypted, origin-bound snapshots with conflict preview and confirmed restore.
# encrypted-snapshot
◢ 03 — local://workflow
Local tools, close to the work
ZyDevKit keeps everyday debugging fast and contained inside the browser.
01
Your data stays local
Tool input, request collections and settings remain on your device unless you choose to send a request.
02
Four browser targets
Use the same workflow across Chrome, Edge, Firefox and Safari builds.
03
Built for active debugging
Inspect, transform, validate and export without moving work between unrelated sites.
Works on every major browser
chromeedgefirefoxsafari
◢ 04 — Privacy
Private & secure by design
Local-first: your history, colors and settings stay on your device. No page content is ever uploaded, and high-risk permissions are optional and requested on demand.
Privacy