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PdfRuler
Measure any PDF in real mm, cm and inches. Free, private.
Open a PDF and get accurate rulers in mm, cm, in or pt. Click any box or line to measure it, snap to edges, drop guides, compare two PDFs side by side, and save an annotated copy. Runs in your browser. Nothing is uploaded.
Hi Product Hunt! 👋
I built PdfRuler because I kept hitting the same problem: someone sends a PDF (a flyer, a packaging die-line, a drawing) and asks "is this really 85 x 55 mm?" The usual answers are a screenshot with a guessed scale or a heavy desktop app.
PdfRuler is a browser tool that reads sizes from the PDF itself, so the numbers are the same at 50%, 100% or 400% zoom.
What it does:
- Rulers around the page in mm, cm, in, pt or px, with a movable origin
- Pick: click a box or line and get its exact size, read from the vector data (not pixel guessing)
- Auto-measure for crop marks, margins and boxes
- Snap to content edges, plus draggable guides
- Page boxes: see the real Media, Crop, Bleed, Trim and Art boxes
- Loupe (4x), text and arrow annotations, full undo/redo history
- Tabs and split view to compare two versions side by side
- Save an annotated copy. Your original is never modified.
Privacy: everything runs client-side. Your file never leaves your device. There is no upload and no account.
There is also a "Try a sample" button, so you can play with it without a file.
I'd love to hear what you measure with it, and which feature you'd want next.
Thanks for looking! 🙏
About PdfRuler on Product Hunt
“Measure any PDF in real mm, cm and inches. Free, private.”
PdfRuler was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #147 on the daily leaderboard. Open a PDF and get accurate rulers in mm, cm, in or pt. Click any box or line to measure it, snap to edges, drop guides, compare two PDFs side by side, and save an annotated copy. Runs in your browser. Nothing is uploaded.
On the analytics side, PdfRuler competes within Design Tools, Productivity and Developer Tools — topics that collectively have 1.5M followers on Product Hunt. The dashboard above tracks how PdfRuler performed against the three products that launched closest to it on the same day.
Who hunted PdfRuler?
PdfRuler was hunted by Furqan Hameed. 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 PdfRuler including community comment highlights and product details, visit the product overview.
Furqan Hameed