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TruePx
Measure, inspect, edit & audit any website
A free Chrome extension for anyone who builds or checks websites. Measure any element and the gap between two, edit CSS live, and test phone, tablet and desktop side by side. The new Audit tab lists what's wrong with the page, worst first: contrast, missing labels, slow images, typos, security headers, trackers before consent, broken links and SEO, each pointing at the exact spot. No account. Bonus: an MCP bridge lets Claude Code and Cursor use it all in your browser.
Hey Product Hunt 👋
I'm Aditya. I build websites, and I kept switching between three or four extensions and DevTools just to answer simple questions: how wide is this, what's the gap between these two cards, why is this font different, are there broken links on this page?
So I built TruePx, one extension that does all of it on the page itself:
📏 Measure: hover for size, padding and margin, click two elements for the exact distance
🔍 Inspect: computed CSS, box model, fonts, colors, contrast check
✏️ Edit: change CSS and text live, undo/redo, copy what you changed
🔎 SEO: broken links, missing alt text, headings, meta tags and structured data, each one pointing at the exact spot on the page
📱 Responsive: phone, tablet and desktop side by side
The part I'm most excited about: it has an MCP bridge (npx truepx-mcp), so Claude Code, Cursor or any AI agent can measure, inspect and fix the page you're looking at in your real browser.
It's free, no account, and nothing leaves your browser.
I'd love your honest feedback: what's missing, what's confusing, what would make you switch from your current ruler?
About TruePx on Product Hunt
“Measure, inspect, edit & audit any website”
TruePx was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #302 on the daily leaderboard. A free Chrome extension for anyone who builds or checks websites. Measure any element and the gap between two, edit CSS live, and test phone, tablet and desktop side by side. The new Audit tab lists what's wrong with the page, worst first: contrast, missing labels, slow images, typos, security headers, trackers before consent, broken links and SEO, each pointing at the exact spot. No account. Bonus: an MCP bridge lets Claude Code and Cursor use it all in your browser.
On the analytics side, TruePx competes within Chrome Extensions, Design Tools and Developer Tools — topics that collectively have 838k followers on Product Hunt. The dashboard above tracks how TruePx performed against the three products that launched closest to it on the same day.
Who hunted TruePx?
TruePx was hunted by Aditya. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of TruePx including community comment highlights and product details, visit the product overview.
Aditya