VisBug alternative · 2026 comparison
VisBug and Naked CSS are both free Chrome extensions for designers — but they solve different halves of a design audit. VisBug edits pages inline; Naked CSS measures and verifies them. Here's how they compare, feature by feature, and when to reach for which.
VisBug is a free, open-source Chrome extension by Google Chrome Labs that turns any web page into an editable surface. Designers can move elements, edit text, swap colors, and tweak HTML inline without writing code — useful for mocking visual changes before handing them to a developer. As of 2026, VisBug is actively maintained with 200,000+ users on the Chrome Web Store and remains the original “designer's FireBug.” Naked CSS complements it by adding the read-only measurement, design-token resolution, and flex/grid gap detection layer on top.
VisBug, by Google Chrome Labs, is the original designer's FireBug — it lets you nudge text, tweak HTML, swap colors, and edit pages inline without writing code. Naked CSS solves a different half of the design-audit workflow — read-only measurement, CSS variable resolution, flex/grid gap detection, and :hover / :active state simulation. If you need to write to the page, reach for VisBug. If you need to measure and verify it, reach for Naked CSS. Many teams keep both pinned.
Every claim below is a feature you can verify in either extension. Both ship as Chrome Manifest V3 extensions. Both are free.
VisBug pioneered the idea of visual browser tools that designers can drive without writing code. Its toolbar UX is approachable, its inline editing for text and colors is excellent, and the alignment-guide tool remains genuinely useful for spatial layout work.
Built by the Chrome Labs team, VisBug also pushed the rest of the ecosystem to take design-engineering seriously. It's open-source, free, and ships under the Google brand — qualities that earned it a permanent place in many designers' toolbars.
If you do a lot of in-browser mockups — quick text rewrites, color swaps, font experiments, alignment tweaks before kicking ideas to a designer — VisBug is still a good fit.
When you inspect a color in VisBug, you see the hex value — but not the design-token name behind it. For modern design-system work, where colors live as --color-primary or --surface-elevated, that's a critical gap. Naked CSS shows both.
:hover / :active)VisBug focuses on editing static styles. Naked CSS toggles Default / Hover / Active states for any selected element with a single click — useful for auditing interactive styles without scripting them yourself.
VisBug surfaces margin and padding on hover. Naked CSS adds flex and grid gap values — the spacing primitives most modern layouts actually use — by hatching and labeling every gap region.
VisBug uses a toolbar — pick Inspect, Measure, Edit Color, or Edit Font, then act. Naked CSS surfaces everything (size, spacing, colors with token names, layout properties, distance to other elements) from one keyboard shortcut and one click. A difference in philosophy, not in capability: tool-switching is great for editing flows, single-shortcut is great for audit flows.
:hover and :active states without writing JavaScript.The honest answer: many teams will use both. Mock with VisBug, verify with Naked CSS.
Naked CSS is free, focused on measurement and design-audit verification, and installs in ten seconds.