SVG vs PNG QR Codes: Which Should You Use?
The two formats aren't interchangeable. One is built from exact shapes and scales to any size with no quality loss; the other is a fixed grid of pixels that blurs when stretched. Which one matters depends entirely on where the code ends up.
The actual difference
An SVG QR code is a set of mathematical shapes. Each module is a defined square, circle, or rounded rectangle with exact coordinates. A PNG is a fixed grid of colored pixels captured at one specific resolution.
Scale an SVG up to any size and the shapes redraw crisply, because the file describes geometry, not pixels. Scale a PNG up past its original resolution and the software has to guess what goes between the existing pixels, and the result is the blur you've seen on a stretched photo.
When to use SVG
- ▸Any print material — business cards, flyers, posters, packaging, signage. Printers work in physical units (mm, inches) and SVG scales to exactly that size without quality loss.
- ▸When the final size isn't decided yet — handing a designer an SVG means they can resize it for whatever layout they end up using, without coming back to you for a new export.
- ▸Large-format printing — banners, billboards, event backdrops. A PNG scaled to billboard size would need an enormous original resolution to avoid visible blur; SVG has no such limit.
When PNG is the right choice
- ▸Email signatures — most email clients render embedded SVG inconsistently or strip it entirely. PNG displays reliably everywhere.
- ▸Social media posts — platforms like Instagram and Facebook don't accept SVG uploads at all; you need a raster format.
- ▸Transparent-background codes for overlays — PNG supports transparency the same way SVG does, and is the more universally compatible choice when the code will sit on top of another image in tools that don't handle SVG layers well.
If you're not sure, default to SVG
SVG covers more use cases safely. It works for digital use at any display size and for print at any physical size. The main exceptions are platforms that explicitly don't accept SVG uploads (social media, some email clients). When in doubt, generate the SVG and convert to PNG only if a specific platform requires it.
Downloading from oh my qr
Every QR code generated on oh my qr can be downloaded as either SVG or PNG, styled with your chosen colors, dot style, and logo in both formats. No account required, and no watermark on either export.
Create your QR code right now — free, SVG and PNG included.
Create your QR code →