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Powered by Cloudflare·02.11.26
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Show HN: A graph paper generator that renders vector PDFs in the browser

Original article
freegraphpaper.net|52 points|11 comments|by lam_hg94|Jul 2, 2026

📐 FreeGraphPaper.net: Browser-Based Vector PDF Generator

Welcome to FreeGraphPaper.net, a professional tool designed to create high-precision printable graph paper. This service allows you to generate clean, print-ready PDFs directly in your browser—ranging from standard 5 mm5\text{ mm}5 mm and 1/4 inch1/4\text{ inch}1/4 inch grids to fully bespoke layouts.

No registration required. No account needed. Absolutely free.


📄 Available Paper Varieties

Beyond the standard square grid, the generator supports a wide array of specialized layouts, all maintained at a true-to-scale ratio:

  • Square Grids: Available in both metric and imperial measurements; ideal for mathematics\text{mathematics}mathematics, plotting\text{plotting}plotting, and technical design\text{technical design}technical design.
  • Dot Grid Paper: Subtle dots perfect for lettering, sketching, and bullet journaling.
  • Isometric Paper: Features triangular grids at a 30∘30^\circ30∘ angle, specifically for CAD\text{CAD}CAD, isometric drawing\text{isometric drawing}isometric drawing, and 3D sketching\text{3D sketching}3D sketching.
  • Hexagon Paper: Tessellated hexagonal patterns used for organic chemistry\text{organic chemistry}organic chemistry, map making\text{map making}map making, and tabletop gaming\text{tabletop gaming}tabletop gaming.
  • Lined & Cornell Notes: Specialized layouts for organized note-taking and writing.

Graph Paper Preview


🛠️ How to Create Your Paper

The process is streamlined into three simple phases. There is no server-side waiting and no intrusive watermarks.

Your Workflow Checklist:

  • Step 1: Configure →\rightarrow→ Select a pre-made template or manually adjust the paper type, line spacing, color, and margin widths.
  • Step 2: Verify →\rightarrow→ Use the real-time preview to ensure the grid looks exactly as intended.
  • Step 3: Export →\rightarrow→ Download your file as a PDF or PNG.

Pro Tip: To ensure your grid is mathematically accurate, always print at 100% scale and ensure the "fit to page" option is disabled in your print settings.


📏 Supported Dimensions

The generator supports a comprehensive list of global paper standards.

US & Imperial Sizes

FormatDimensions (mm)
US Letter215.9×279.4215.9 \times 279.4215.9×279.4
US Legal215.9×355.6215.9 \times 355.6215.9×355.6
Tabloid (Ledger)279.4×431.8279.4 \times 431.8279.4×431.8
Executive184.15×266.7184.15 \times 266.7184.15×266.7
Junior Legal127×203.2127 \times 203.2127×203.2
Half Letter139.7×215.9139.7 \times 215.9139.7×215.9
ANSI C431.8×558.8431.8 \times 558.8431.8×558.8
ANSI D558.8×863.6558.8 \times 863.6558.8×863.6
ANSI E863.6×1117.6863.6 \times 1117.6863.6×1117.6
Arch A228.6×304.8228.6 \times 304.8228.6×304.8
Arch B304.8×457.2304.8 \times 457.2304.8×457.2
Arch C457.6×609.6457.6 \times 609.6457.6×609.6
Arch D609.6×914.4609.6 \times 914.4609.6×914.4
Arch E914.4×1219.2914.4 \times 1219.2914.4×1219.2

ISO Standard Series

ISO A SeriesISO B SeriesISO C Series
A0: 841×1189 mm841 \times 1189\text{ mm}841×1189 mmB0: 1000×1414 mm1000 \times 1414\text{ mm}1000×1414 mmC0: 917×1297 mm917 \times 1297\text{ mm}917×1297 mm
A1: 594×841 mm594 \times 841\text{ mm}594×841 mmB1: 707×1000 mm707 \times 1000\text{ mm}707×1000 mmC1: 648×917 mm648 \times 917\text{ mm}648×917 mm
A2: 420×594 mm420 \times 594\text{ mm}420×594 mmB2: 500×707 mm500 \times 707\text{ mm}500×707 mmC2: 458×648 mm458 \times 648\text{ mm}458×648 mm
A3: 297×420 mm297 \times 420\text{ mm}297×420 mmB3: 353×500 mm353 \times 500\text{ mm}353×500 mmC3: 324×458 mm324 \times 458\text{ mm}324×458 mm
A4: 210×297 mm210 \times 297\text{ mm}210×297 mmB4: 250×353 mm250 \times 353\text{ mm}250×353 mmC4: 229×324 mm229 \times 324\text{ mm}229×324 mm
A5: 148×210 mm148 \times 210\text{ mm}148×210 mmB5: 176×250 mm176 \times 250\text{ mm}176×250 mmC5: 162×229 mm162 \times 229\text{ mm}162×229 mm
A6: 105×148 mm105 \times 148\text{ mm}105×148 mmB6: 125×176 mm125 \times 176\text{ mm}125×176 mmC6: 114×162 mm114 \times 162\text{ mm}114×162 mm
A7: 74×105 mm74 \times 105\text{ mm}74×105 mmB7: 88×125 mm88 \times 125\text{ mm}88×125 mmC7: 81×114 mm81 \times 114\text{ mm}81×114 mm
A8: 52×74 mm52 \times 74\text{ mm}52×74 mmB8: 62×88 mm62 \times 88\text{ mm}62×88 mmC8: 57×81 mm57 \times 81\text{ mm}57×81 mm
A9: 37×52 mm37 \times 52\text{ mm}37×52 mmB9: 44×62 mm44 \times 62\text{ mm}44×62 mmC9: 40×57 mm40 \times 57\text{ mm}40×57 mm
A10: 26×37 mm26 \times 37\text{ mm}26×37 mmB10: 31×44 mm31 \times 44\text{ mm}31×44 mmC10: 28×40 mm28 \times 40\text{ mm}28×40 mm

❓ Frequently Asked Questions

What exactly is graph paper? Also known as squared or grid paper, it consists of a printed pattern of equidistant lines. This allows users to plot data points accurately, maintain neat handwriting, and create drawings that are perfectly to scale.

Common Customizations

Users frequently generate the following configurations:

  • Metric: 5 mm5\text{ mm}5 mm or 1 cm1\text{ cm}1 cm grids.
  • Imperial: 1/8 inch1/8\text{ inch}1/8 inch or 1/4 inch1/4\text{ inch}1/4 inch grids.
  • Formats: A4 and US Letter are the most popular, though the full ISO range is available.

For those interested in the technical side, the generator essentially creates a vector map similar to this conceptual configuration:

{
  "paperSize": "A4",
  "gridType": "square",
  "spacing": "5mm",
  "lineColor": "#cccccc",
  "margin": "10mm",
  "outputFormat": "PDF"
}