The privacy-first URL toolbox for developers
Edit any URL parameter inline. Strip 30+ tracking params in one click. Decode & sign JWTs. Run regex rewrites. Switch environments. Generate QR codes — all offline, no signup.
Eight tools. One toolbox.
Built for backend & full-stack devs, QA engineers, marketers, and anyone who works with URLs every day.
Inline parameter editor
Type-aware editing — numbers get a stepper, booleans a toggle, dates a calendar, lists a tag editor. Auto-detects JWTs and Base64. Live diff before you navigate.
One-click sanitizer
Strip utm_*, fbclid, gclid, msclkid, and 30+ other tracking params. See exactly what got removed before applying.
Environment switcher
Define groups of equivalent domains — localhost:3000, staging.api.io, api.io. Flip your active tab in one click. Subdomain-aware.
Regex rules engine
Append, replace, or remove URL parameters via regex. Replace whole URLs with backref support. Up to 5,000 dynamic rules per profile. Built-in presets and JSON export/import.
JWT & Base64 inspector
Auto-decode JWTs from URL params. Inspect header, payload, expiry. Build new JWTs with real HS256/384/512 signing via Web Crypto.
QR code generator
Single QR for the current URL or batch mode — paste a list, get a ZIP of SVGs. Custom colors, optional logo overlay, adjustable size, live preview.
URL annotations
Attach notes to specific URL params or domains. Built-in glossary of 30+ tracking and analytics parameters — see what irclickid, ttclid, etc. actually mean.
Power-user features
Cmd+K command palette. Last-25 URL history with one-click restore. Optional cross-device sync. Localized in 5 languages.
URL Editor Pro runs entirely offline.
We do not have a server. We do not send your URLs, rules, JWTs, annotations, or any other data anywhere. Ever.
- ✓No account, no signup, no telemetry
- ✓No ads, no third-party trackers
- ✓Data stored in
chrome.storageon your device - ✓Optional sync via Chrome's own account
- ✓Open about every permission requested
- ✓No remote code execution — strict CSP
Every permission, in plain English
Reviewers and users alike can verify exactly what each permission does — and what it doesn't.
declarativeNetRequest
Runs your regex rules inside Chrome's rule engine. We never see the URLs that match.
storage
Saves your rules, environments, annotations, and history locally.
tabs
Reads the URL of the active tab so you can edit it. We don't enumerate other tabs.
webNavigation
Re-applies rules to URLs served from the back/forward cache.
declarativeNetRequestFeedback
Surfaces rule matches in the dev console — debugging only, unpacked builds.
host_permissions: <all_urls>
Required by Chrome so your rules can match any site you visit. We never read page contents.
What we deliberately do not request
✗scripting — no content scripts
✗contextMenus — no right-click items
✗cookies — never read cookies
✗history — never read browser history
✗identity — no Google account access
✗browsingData — never delete or read
✗webRequest — replaced by DNR
✗notifications — in-popup toasts only
✗clipboardRead — write only
Who it's for
⚙️
Backend & full-stack devs
Debugging API calls and OAuth flows without leaving the page.
🧪
QA engineers
Run the same test across dev, staging, and prod in one click.
📈
Affiliate marketers
Inspect, clean, and compare campaign URLs side by side.
🛡️
Privacy-minded users
Strip every tracking parameter before sharing a link.
🔬
Security researchers
Decode JWTs, inspect Base64, and build signed tokens locally.
✍️
Anyone, really
If you've ever wished you could just edit a query parameter — this is the tool.
Keyboard shortcuts
What's new in 1.4.0
Latest- →Real HMAC-SHA256/384/512 JWT signing via Web Crypto
- →One-click URL sanitizer (30+ tracking params)
- →Live parameter diff view
- →URL history with one-click restore
- →Cmd+K command palette
- →Rule export/import as JSON
- →Batch QR codes — colors, logo, ZIP download
- →Cross-device sync of rules and environments
- →Full Settings panel
- →Localized in EN, ES, JA, KO, ZH
- →Hardened security — sender validation, navigation scheme checks, ReDoS guard, strict CSP
Install URL Editor Pro
Free. Open about every permission. Runs entirely on your device.
Opens the official Chrome Web Store listing — or visit Support for troubleshooting.