How to Convert HEIC to SVG: Step-by-Step Tutorial

By Bill Crawford  ·  March 2026  ·  6 min read  ·  Last updated March 5, 2026

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What This Tutorial Covers

This tutorial walks you through converting one or more HEIC/HEIF images to SVG format using the browser-based tool on this site. You will learn how to add files, choose download options, run the conversion, review results, and deploy the SVG files in web and design workflows. No software installation required — everything runs in your browser.

What You Need

• One or more .heic or .heif files (typically from an iPhone or iPad)
• A modern browser: Chrome, Edge, Firefox, or Safari (2023 or later)
• No account, no software, no subscription

Step 1: Open the Converter

Navigate to dataconversioncenter.com/image-tools/heic-to-svg/. The page loads all required libraries (heic2any, JSZip) from CDN — no install needed. The SVG encoder is written in pure JavaScript and runs entirely in your browser.

Step 2: Add Your HEIC Files

You have two ways to add files:

• Drag and drop: Open your file manager and drag one or more .heic files directly onto the drop zone labeled "Drop HEIC/HEIF files here". The zone highlights in blue when you hover over it.
• Browse: Click anywhere on the drop zone (or the "Browse Files" link) to open your file picker. Select multiple files using Ctrl+click (Windows) or Cmd+click (Mac).

As soon as files are added, the tool generates thumbnail previews for each one. You will see an Input Files grid with a card per file showing the filename, file size, and a Ready status badge.

Note: Files with an extension other than .heic or .heif are automatically rejected with an inline error message and are not added to the conversion queue.

Step 3: Choose Download Mode

Before converting, decide how you want to download your SVG files:

• Individual downloads (default): Leave "Download as ZIP" unchecked. After conversion, each output card has its own Download button, and a "Download All SVGs" button appears for sequential bulk download.
• ZIP archive: Check "Download as ZIP". After conversion, a single "Download ZIP" button downloads all SVGs in one file named dataconversioncenter_heic_to_svg_YYYYMMDDHHMM.zip using your local date and time.

For batches of more than 5 files, the ZIP option is strongly recommended to avoid multiple browser download dialogs.

Step 4: Click "Convert to SVG"

Click the blue Convert to SVG button. The button label changes to "Converting…" and is disabled while conversion runs.

For each file in sequence:

1. The status badge on the input card changes from Ready to Converting…
2. heic2any decodes the HEIC to pixel data in memory.
3. The pixel data is drawn to an HTML Canvas element at full resolution.
4. The canvas is encoded as a lossless PNG blob.
5. The PNG is base64-encoded using chunked processing to avoid call-stack limits on large images.
6. An SVG document is constructed with the correct width, height, and viewBox attributes, embedding the PNG as a data URI in an <image> element.
7. The status changes to Converted and an output card appears.

The progress bar tracks overall progress — "Converted X of N". Files are processed two at a time for throughput efficiency.

Step 5: Review the Results

After conversion completes, a summary banner appears: "✓ All N files converted successfully" or "Completed: X succeeded, Y failed."

An Output Files grid displays cards for each successfully converted SVG, showing:

• A thumbnail preview of the converted image
• The output filename — same base name as the input with .svg extension (e.g. photo.heic → photo.svg)
• Output file size
• A per-file Download SVG button

Any files that failed to convert are marked with a red Error badge. Common causes: the file is not a genuine HEIC (e.g. a renamed JPG), or the browser ran out of memory on a very large file. The tool continues converting remaining files when one fails.

Step 6: Download Your SVGs

Individual download

Click the ⬇ Download SVG button on any output card to save that file. The filename is the same as the input with .svg extension.

Download All (no ZIP)

With "Download as ZIP" unchecked, click Download All SVGs. The tool triggers sequential browser downloads with a 120 ms delay between each to prevent browser throttling.

Download ZIP

With "Download as ZIP" checked, click Download ZIP. JSZip assembles all SVG blobs in memory and downloads a single file named, for example, dataconversioncenter_heic_to_svg_202603051709.zip.

Step 7: The Tool Resets Automatically

After a ZIP download or "Download All" completes, the tool automatically resets to its initial empty state. All thumbnails, cards, and file references are cleared from memory. Click Start Over to reset manually at any point.

Bonus: Deploy SVG on a Website

If your goal is to embed the SVG in a web page, here are the main options:

1. Image tag: <img src="photo.svg" alt="Description" width="800" height="600"> — the simplest and most semantically correct approach.
2. CSS background: background-image: url('photo.svg'); — for decorative use in CSS.
3. Inline SVG: Open the .svg file in a text editor, copy all the markup, and paste it directly inside your HTML <body>. Enables CSS and JavaScript targeting.

Enable gzip or Brotli compression on your web server to reduce SVG transfer size — SVG+XML compresses very efficiently.

Using SVG in Design Tools

The converted SVG files import natively into major design applications:

• Figma: File → Import or drag the SVG directly onto the canvas. Figma treats it as an image frame.
• Adobe Illustrator: File → Open or File → Place. Illustrator embeds the raster PNG and allows repositioning within the SVG container.
• Inkscape: File → Open. The embedded PNG is fully accessible. Use Path → Trace Bitmap if you want to attempt vectorization.
• Affinity Designer: File → Open or drag to the canvas. Supports SVG with embedded raster images.

Troubleshooting

• File shows Error status: Verify the file is a genuine HEIC captured on an Apple device. Renamed files (e.g. a JPG with a .heic extension) will fail to decode.
• Thumbnails not generating: Some very large HEIC files (48 MP from iPhone 15 Pro) may take 5–10 seconds to decode. The tool will proceed when ready.
• Safari issues: Safari's HEIC support in JavaScript depends on OS version. macOS 12+ and iOS 16+ typically work. On older Safari, use Chrome or Edge instead.
• SVG file is very large: PNG-in-SVG files are larger than plain PNG because the PNG data is base64-encoded inside XML (roughly 33% overhead). Enable server-side compression for web deployment.
• ZIP not downloading: Some browsers require a direct user interaction to trigger downloads. Ensure you clicked the Download ZIP button directly without any intermediate step.

Next Steps After Conversion

• Deploy on your website: Use the <img> tag or inline SVG methods described above.
• Import into a design tool: Open the SVG in Figma, Illustrator, or Inkscape for further design work.
• Compress the source for web: Use Image Compressor if you need a smaller web-optimized version alongside the SVG.
• Resize before converting: Use Image Resizer to scale the HEIC to specific dimensions before converting to SVG to control output file size.
• Convert to other formats: If you also need JPG or TIFF versions of the same HEIC source, try HEIC to JPG or HEIC to TIFF.

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