How to Save a Synastry Chart as a PDF

📅 June 16, 2026📖 6 min read🏷️ Tutorial

Curious how two people's birth charts interact? A synastry chart maps the aspects between two people's planets to reveal relationship dynamics — attraction, communication, friction, and long-term potential. These charts are generated online and look beautiful on screen, but they vanish the moment you close the tab. This guide shows you how to save a synastry chart as a PDF or image so you can keep your reading, print it, and share it with a partner or astrologer.

What Is a Synastry Chart?

Synastry is the branch of astrology that compares two natal charts to study compatibility. By overlaying one person's planetary positions on another's, it highlights the aspects — conjunctions, trines, squares, oppositions — that shape how two people relate. A good synastry chart calculator takes both birth dates, times, and locations and renders a combined wheel plus an interpretation of the key connections.

Because the result is so personal, it's worth saving — whether you want to revisit the reading, compare it to a future relationship, or bring it to a session with a professional astrologer.

A Real-World Example: Relationship Compatibility Readings

Say you generate a compatibility report on a free tool like SynastryChart.org. The site produces an interactive bi-wheel and a breakdown of how your Sun, Moon, Venus, and Mars aspect your partner's. It's the kind of detailed reading you'll want to read more than once — and that's exactly why you should capture it before navigating away.

The same logic applies to natal charts, composite charts, transit forecasts, and any other generated astrology content: save it while it's on screen.

Method 1: Print to PDF (Best for Full Reports)

Every modern browser has a built-in PDF printer that captures the entire page, text and all:

  1. With your synastry chart and interpretation on screen, press Ctrl+P (Windows) or Cmd+P (Mac)
  2. Choose "Save as PDF" as the destination
  3. Disable headers/footers and adjust margins for a cleaner result
  4. Click Save

This is ideal for the written compatibility report. If the interactive chart wheel renders poorly in print mode, use a screenshot instead.

Method 2: Screenshot, Then Convert (Best for the Chart Wheel)

For the visual bi-wheel, a screenshot captures exactly what you see on screen:

  1. Capture: Use Win+Shift+S (Windows), Cmd+Shift+4 (Mac), or the side buttons on a phone
  2. Crop: Trim to just the chart wheel and aspect grid
  3. Convert to PDF: Turn one or more screenshots into a single document with a PNG to PDF converter

💡 Pro Tip

Capturing several views — the bi-wheel, the aspect table, and the written interpretation? Combine all the screenshots into one PDF so the whole synastry reading lives in a single file instead of scattered images.

Method 3: From Phone Photos to PDF

Sometimes the reading is physical — a printout, a page from an astrology book, or notes from a session — and you photograph it with your phone. iPhone users hit a familiar snag: photos save as HEIC, which many devices can't open. Our free HEIC to PDF converter turns those photos straight into a PDF, and our iPhone Photos to PDF tool merges up to 20 photos into one file — perfect for multi-page readings or journal scans.

Choosing the Right Output Format

  • PDF — best for the full report you'll print, archive, or email; multiple pages in one file
  • PNG — best for sharing the chart wheel in chats or on social media; lossless detail
  • JPG — best when file size matters more than perfect sharpness

Tips for High-Quality Captures

  • Maximize the browser window before capturing — more pixels means a sharper saved chart
  • Use your browser's zoom (Ctrl/Cmd + Plus) to enlarge fine aspect lines before screenshotting
  • Name files descriptively with both names and a date (synastry-alex-jordan-2026-06.pdf)
  • For sensitive personal data like birth times, prefer converters that process files locally in your browser

Turn Your Charts into Documents

Convert screenshots and photos to PDF — free, private, no registration required!

Start Converting

Frequently Asked Questions

Can I save a synastry chart as a PDF directly?

Often, yes — try Print to PDF first. If the interactive wheel renders blank or cut off, take a screenshot of the chart and convert the image to PDF instead.

Will a screenshot of the chart lose quality?

A screenshot captures at your screen's resolution. Maximize the window and zoom in on the chart before capturing for the sharpest result.

How do I combine the wheel and the report into one PDF?

Use an image-to-PDF converter that supports multiple files — each screenshot becomes a page, in the order you choose.

Are my birth details safe in online tools?

Choose converters that process files in your browser rather than uploading them. Our converters never send your files to a server.

Conclusion

A synastry chart is too meaningful to lose when you close the tab. Whether you generate your reading on synastrychart.org or another compatibility tool, capture it while it's on screen: Print to PDF for the full report, screenshot-and-convert for the chart wheel, and keep everything organized in dated files.

When your captures involve iPhone photos or images that need converting, our free HEIC to PDF converter and full toolkit are here to finish the job.