Full-featured API testing tool with headers, payloads, and all HTTP methods (GET, POST, PUT, DELETE, etc.)
Users
31
+2 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
2
β1 in 30 days
Store rank
#129K
#107K among extensions
Version
2.6
updated 13 Sep 2026
Users
monthly, 11 months
Latest, 16 Oct 2026:31 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 16 Oct 2026:2 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About URL Editor Pro
π URL Editor Pro - Version 2.6
The ultimate tool for developers! Combines powerful URL editing with complete API testing capabilities - all in your browser.
β¨ API TESTING:
β’ All HTTP Methods: GET, POST, PUT, DELETE, PATCH
β’ Custom Headers: Authorization, API keys, Content-Type, etc.
β’ Request Bodies: JSON (live validation), Form Data, Raw Text, or None
β’ JSON Editor: Format, minify, syntax highlighting, and expandable editor
β’ Response Viewer: Opens in a full Chrome tab with formatted output
β’ Status Indicators: Color-coded success/error badges
β’ Request Timing: See response duration
β’ Copy Buttons: One-click copy for headers and body
β’ Tabbed Response: Body, Headers, and Raw views
π URL EDITING:
β’ Smart URL Builder: Edit paths and query params in one tab
β’ Inline Autocomplete: Suggestions for path segments, param keys, and values (arrow keys to select β no forced auto-fill)
β’ Param Toggle: Disable query params temporarily without deleting them; re-enable anytime
β’ Persistent Param State: Disabled params remembered per URL path across sessions
β’ Drag & Drop: Reorder path segments visually
β’ Protocol & Host: Full control over all URL components
β’ Real-time Preview: URL updates as you type
β’ Hash/Fragment: Edit URL anchors
β’ Smart Suggestions: Learn from recently used segments and parameters
π§° DEVELOPER TOOLS (Full Chrome Tabs):
β’ JSON Diff: Side-by-side compare with color-coded line diffs
β’ JSON Diff History: Save, name, reload, rename, and delete comparisons
β’ JSON Share & Export: Copy share links (extension users) or export/import .jsondiff.json files
β’ YAML Tools: Compare two YAML files OR fix/format a single document
β’ YAML Fix Mode: Repair common issues, validate syntax, convert JSON β YAML, import .yaml files
β’ YAML History & Sharing: Same save/share/export workflow as JSON Diff
β’ Quick Access: JSON Diff and YAML Diff buttons in the top bar β always one click away
π― SMART FEATURES:
β’ Last Tab Memory: Opens where you left off
β’ Keyboard Shortcuts: Alt+1β4 (Ctrl+1β4 on Mac) for quick tab switching
β’ Enter to Navigate: Press Enter to apply the edited URL to the current tab
β’ Shift+Enter: Open the edited URL in a new tab
β’ Configurable Storage Limits: Adjust URL history and suggestion pool size in Settings
β’ Collapsible Sections: Clean, organized interface
β’ Timestamp Viewer: Convert Unix timestamps on any page
π¨ PROFESSIONAL UI:
β’ 5 Built-in Themes: Light, Dark, Golden, Silver, and Crystal
β’ Theme-aware design across popup, response viewer, and diff tools
β’ Top tab bar for fast section navigation
β’ Color-coded HTTP method badges
β’ Responsive layouts with proper text wrapping
π PRIVACY & SECURITY:
β’ 100% Local Storage: All data on YOUR device
β’ NO Data Collection: Zero tracking or analytics
β’ NO External Servers: No data transmission
β’ Open Source: Transparent, auditable code
β’ Self-Contained: Pure JavaScript with a vendored offline YAML parser (no CDN calls)
π‘ USE CASES:
β’ REST API Testing & Development
β’ Quick API endpoint verification
β’ Testing with custom authentication headers
β’ JSON & YAML payload validation and comparison
β’ URL manipulation for testing scenarios
β’ Path and parameter experimentation
β’ API documentation and debugging
β’ Integration testing
β’ Config file diffing (JSON/YAML)
π οΈ TECHNICAL DETAILS:
β’ Manifest V3 (modern Chrome extensions)
β’ Modular ES6 architecture
β’ Comprehensive error handling
β’ Chrome Storage API for history, suggestions, param state, and diff saves
β’ Dedicated full-tab tools: response viewer, JSON diff, YAML diff
π BONUS FEATURES:
β’ URL History: Track and reload past URLs (configurable limit)
β’ Inline Autocomplete: Quick insertion from usage history (configurable pool size)
β’ Timestamp Conversion: Unix to readable dates
β’ Multiple Format Support: ISO 8601, RFC 2822, Custom
β’ JSON/YAML Diff Shortcuts: Cmd/Ctrl+Enter to compare, Cmd/Ctrl+S to save
Transform your API testing workflow! Say goodbye to Postman for quick tests and hello to instant, browser-integrated API testing.