PdfRuler
Measure any PDF in real mm, cm and inches. Free, private.
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Read the full description
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.
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PH · launched Oct 23, 2026 · 2 upvotes (top 23%)
- Horizontal
- Prosumer
- Not AI
- Commercial product
- Design Tools
- Productivity
- Developer Tools
Similar launches
See all 616 similar launches →Could you build this?
Yes Reading PDF page dimensions and drawing measurement overlays in the browser is well supported by pdf.js and canvas. Snapping, guides, and side-by-side comparison are ordinary front-end work.
Competitors
Other products that read as similar to this one : 616 launches clear the similarity bar, closest 8 shown.
Attention rank: #40 of 617 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 345 days after the earliest competitor.
- PDF Compare · ph · 2026-10-17 · 2 upvotes · similarity 0.62
- Reaal Online Ruler · ph · 2026-10-02 · 1 upvotes · similarity 0.59
- Online Ruler · ph · 2026-10-23 · 1 upvotes · similarity 0.53
- The PDF Atlas · ph · 2026-10-15 · 1 upvotes · similarity 0.52
- Graph Paper PDF · ph · 2026-10-12 · 1 upvotes · similarity 0.51
- PDF Size Helper · ph · 2026-10-05 · 1 upvotes · similarity 0.49
- PDF Tools Club · ph · 2026-09-17 · 2 upvotes · similarity 0.49
- CADProps · ph · 2026-09-18 · 1 upvotes · similarity 0.49
Other launches for this product
- No other launches for this product.