Overview
PNG is the traditional format for graphics needing transparency. WebP is the modern alternative with better compression. SVG is a vector format that scales to any size without quality loss.
For logos and icons, SVG is almost always the right choice. For complex raster graphics, PNG and WebP are better.
Head-to-Head Comparison
Scalability
PNG: PNG is raster - scaling it up causes pixelation. You need separate files for each resolution.
WebP: WebP is also raster - same scaling limitation as PNG.
Winner: SVG (infinite scale, no quality loss)
File Size
PNG: PNG is lossless and larger. A complex logo might be 50-200KB.
WebP: WebP-lossless is 25-35% smaller than PNG. The same logo might be 35-150KB.
Winner: SVG (often just 1-20KB)
Transparency
PNG: PNG fully supports alpha channel transparency.
WebP: WebP fully supports alpha channel transparency with better compression than PNG.
Winner: SVG / WebP
Animation
PNG: PNG supports animated APNG format with full transparency.
WebP: WebP supports animation with smaller file sizes than animated GIF or APNG.
Winner: SVG (CSS/JS animations)
Browser Support
PNG: PNG is supported in 100% of browsers and devices.
WebP: WebP is supported in 97%+ of browsers.
Winner: PNG
Two Raster Formats and a Vector Format
PNG and WebP are both raster formats storing a grid of pixels, while SVG is a vector format describing shapes mathematically. PNG compresses losslessly with DEFLATE and prediction filters and supports a full alpha channel.[1][2] WebP uses VP8-derived prediction with both lossy and lossless modes plus transparency, generally yielding smaller files than PNG for the same image.[3][4] SVG stores XML drawing instructions rather than pixels, so it has no fixed resolution.[5]
Resolution and Scaling
SVG scales to any size with perfect sharpness because shapes are recomputed at render time, which makes it ideal for logos and icons, but it cannot efficiently represent photographic detail.[6] PNG and WebP have fixed pixel dimensions and degrade when enlarged beyond them. The choice between the two raster formats and SVG therefore depends first on whether the artwork is a scalable graphic or a fixed-resolution image.
File Size and Compression
For pixel-based artwork, WebP's modern coding generally beats PNG on file size while preserving transparency, whereas PNG guarantees exact lossless pixels and the broadest compatibility.[4][2] An SVG's size depends on the number of shapes rather than display dimensions, so a simple icon stays tiny at any scale; a complex illustration with thousands of paths, however, can exceed the size of an equivalent raster image.[5]
Editability and Standardization
Because SVG is text-based XML, it can be edited in a code editor, styled with CSS, animated, and searched; PNG and WebP are opaque pixel arrays editable only as images.[5] PNG is defined by the W3C and IETF (RFC 2083) and ISO/IEC 15948; WebP by IETF RFC 9649; SVG by the W3C.[1][2][3] All three are supported by current major browsers.
Applications
SVG is used for resolution-independent graphics, logos, charts, and icons, and can be styled and animated with CSS.[5] WebP is used for web delivery of photographic or detailed raster images needing small files. PNG is used where guaranteed lossless reproduction, transparency, and universal support outweigh file size.[1]
Convert Between PNG, WebP, and SVG
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Convert Images FreeFrequently Asked Questions
Should I use SVG or PNG for my logo?
Use SVG. It scales to any size without quality loss, is smaller, and can be styled with CSS.
Can I convert PNG to SVG?
Simple logos trace well to SVG. Complex photographic images cannot be meaningfully converted to SVG.
Is WebP better than PNG for logos?
WebP-lossless is 25-35% smaller than PNG. For logos, SVG is better than both if a vector source exists.
Why do some sites still use PNG instead of SVG?
SVG requires a vector source file. If a logo only exists as raster PNG, converting to SVG produces poor results.
Does SVG support gradients and shadows?
Yes - SVG supports gradients, shadows, filters, masks, and many other visual effects.