| What it does | Open-source browser extension to modify HTTP request and response headers and cookies
| Free Chrome extension to detect fonts on any website, find free alternatives, and swap them live
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Open source
| Free
|
|---|
| Pricing | Not given
| Not given
|
|---|
| Key features | - Modify request and response headers with a focused editor interface
- Scope rules to specific URLs using browser-supported filter patterns
- Customize response cookies with Domain, Path, SameSite, Lifetime, Max-Age, and Secure attributes
- Create up to five local rule profiles for different projects and test setups
- Import and export profiles as local JSON files between browsers
- Enable, disable, delete, and annotate rules with comments
- Support for Chrome, Edge, and Firefox
- All rules stored locally in browser with no server transmission
| - Canvas-based font detection on any page
- Premium font flagging with free alternative matching
- Live font swapping with instant undo
- Font inspector showing computed properties
- Highlight font usage across page elements
- Export results as Markdown, JSON, or CSS
- WCAG contrast ratio audit
- Font performance metrics tracking
- Works on any website including authenticated pages
- No account or sign-up required
|
|---|
| What makes it different | - Open-source with MIT License and full transparency
- Rules stored entirely locally with no analytics, tracking, or external servers
- Lightweight alternative to ModHeader
- URL scoping prevents rules from affecting unintended websites
- Simple interface requires no coding knowledge
| - No account or data collection required
- Works on any website instantly without installation beyond the extension
- High accuracy font detection using DOM computed properties
- Completely free with no premium tier or ads
- Changes are local only and changes persist in your browser session
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 14 ▲ +6 (up) since last check | 3 ● no change since last check |
|---|
| Trust Flow (Majestic) | 3 | 7 |
|---|
| Citation Flow (Majestic) | 18 | 25 |
|---|
| Referring domains (Majestic) | 13 | 30 |
|---|
Header Override
FontSwap