Alternatives to Pesticide
Outlines every element on a page to expose layout problems. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Pesticide
Outlines every element on a page to expose layout problems.
Replacements
Listings that take over the same core job as Pesticide.
Web Developer
Toolbar of web development tools for inspecting and manipulating a page.
Web Developer is a GPL-3.0 toolbar offering outline options alongside dozens of other page manipulations in Chrome, Firefox and Edge, with a denser menu-driven interface.
VisBug
Point-and-click editing tools for any live web page.
VisBug adds point-and-click editing of spacing, type and colour plus measurement tools on live pages, going beyond outlines; changes vanish on reload.
Similar software
Related functionality, not a direct replacement.
Chrome DevTools
The web developer tools built into Google Chrome for editing pages, debugging and profiling performance.
Firefox Developer Tools
The web developer tools built into Firefox for inspecting, editing and debugging HTML, CSS and JavaScript.
Stylus
Applies custom CSS user styles to any website.
React Developer Tools
Browser extension for inspecting React component trees, props and state.
