WebP to PNG Converter Online

Convert WebP to lossless PNG with transparency preserved. All processing happens in the browser — your images never upload.

PNG output is lossless — every pixel preserved.
cloud_upload

Drop a WebP file here, or click to browse

Processed locally — never uploaded

image

Converted PNG will appear here.

What is a WebP to PNG converter?

A WebP to PNG converter re-encodes Google's WebP format as Portable Network Graphics — losslessly. WebP is fantastic for the modern web, but many tools still expect PNG: older versions of Photoshop, Microsoft Office, some print services, marketplace listings, and legacy desktop apps. Converting to PNG gives you a universally accepted file with full transparency and pixel-exact reproduction.

This converter uses the browser's built-in HTML5 Canvas toBlob API. The WebP is decoded by the browser, drawn to an off-screen canvas, and re-encoded as PNG with full alpha preserved. All processing happens in the browser — your images never upload.

How to convert WebP to PNG — 4 steps

  1. Drop a WebP file. Drag a WebP into the drop zone or click to browse. Files are read locally with FileReader.
  2. Click Convert. Canvas decodes the WebP and re-encodes as PNG. Lossless — no quality option.
  3. Inspect the result. The output panel shows the PNG preview, original / output size, and pixel dimensions.
  4. Download. Save with original base name and a .png extension.

Sample input and what the tool produces

Input WebP

File:        hero.webp
Format:      WebP (lossy q 0.85)
Dimensions:  1920 × 1080
File size:   180 KB
Transparent: Yes

Output PNG

File:        hero.png
Format:      PNG (RGBA 8-bit)
Dimensions:  1920 × 1080
File size:   1.3 MB
Transparent: Yes (preserved)

Lossless Output

PNG uses DEFLATE — every decoded WebP pixel is preserved exactly. No further quality loss after conversion.

Alpha Preserved

Both formats support 8-bit alpha. Transparent and semi-transparent regions transfer pixel-perfect.

Browser-Only

Files decode and re-encode in your browser. No upload — confidential mockups stay on your device.

Common use cases

  • check_circleImporting a downloaded WebP into older Photoshop, GIMP, or Affinity versions that lack WebP support
  • check_circleUploading to a marketplace, CMS, or print service that accepts only PNG / JPG
  • check_circleSharing a screenshot with a recipient on Safari < 14, IE, or other legacy browsers
  • check_circleConverting WebP saved by Chrome (right-click Save Image) for use in Word, PowerPoint, or Keynote
  • check_circleProducing pixel-exact reference images for visual regression testing or design QA
  • check_circleRe-encoding marketing WebP assets to PNG for archival in shared drives and DAMs
  • check_circlePreparing WebP screenshots for OCR pipelines where decoder coverage matters
  • check_circleGenerating PNG variants for documentation systems that strip or block WebP rendering

PNG vs JPG vs WebP vs AVIF

FormatCompressionTransparencyBest forBrowser support
PNGLosslessYes (alpha)Logos, screenshots, archivalUniversal
JPGLossy (DCT)NoPhotos, large opaque imagesUniversal
WebPLossy or losslessYesModern web (25–35% smaller than JPG)Chrome, FF, Safari 14+
AVIFLossy (AV1-based)YesPhotos with smallest size (40–50% smaller than JPG)Chrome 85+, FF 93+, Safari 16+

Need a different conversion?

Convert between PNG, JPG, WebP, or to/from Base64 — all browser-side, no upload.

Frequently Asked Questions

Why convert WebP to PNG?

WebP is excellent for the web but not universally accepted by every tool. Common reasons to convert: (1) older versions of Photoshop, Word, and PowerPoint refuse WebP imports — PNG works everywhere; (2) some print services, marketplaces, and CMSes require PNG/JPG only; (3) you need to share the image with someone on Safari < 14 or Internet Explorer where WebP fails to render; (4) you want a format compatible with every existing photo workflow, including legacy desktop apps; (5) WebP is harder to inspect manually with hex tools and image debuggers.

Is the conversion lossless?

Yes — the WebP → PNG step is lossless. PNG uses DEFLATE (zlib) compression, the same algorithm as ZIP, which preserves every byte. However, if the source WebP was lossy (encoded with a quality less than 100), the WebP encoder already discarded perceptual detail when the file was first saved. Converting to PNG cannot recover that detail; it only ensures no further loss happens. PNG identical to what your browser sees when it decodes the WebP.

Is transparency preserved?

Yes. WebP supports an 8-bit alpha channel, and PNG does too — every transparent and semi-transparent pixel maps directly. The canvas decode-then-encode pipeline preserves alpha exactly. Drop a WebP with rounded corners, drop shadows, or anti-aliased icons and the PNG output will have identical alpha.

Why is the PNG much larger than the WebP?

WebP achieves 25–35% smaller files than JPEG and 50%+ smaller than PNG at equivalent quality, using sophisticated VP8/VP8L compression that PNG cannot match. PNG must store every pixel exactly (lossless RGBA + DEFLATE), while WebP can use lossy DCT-like coding plus advanced lossless tricks. Expect a typical photo WebP at quality 0.85 to balloon 4–8× when re-encoded as PNG. This is normal.

Is my image uploaded to your servers?

No. Conversion runs entirely in your browser using HTML5 Canvas and the native toBlob API. The WebP is read with FileReader, decoded by the browser (modern Chrome/Firefox/Safari/Edge support WebP), drawn to a canvas, and re-encoded as PNG. Open DevTools → Network and click Convert: zero requests are made.

Why does my Safari browser fail to decode the WebP?

Safari added native WebP decoding in version 14 (released September 2020 with macOS Big Sur 11 and iOS 14). Earlier Safari and iOS versions cannot render WebP — the image element fails to load. If the converter reports a decode error in Safari, update to Safari 14+ or use a different browser. Chrome, Firefox, and Edge have supported WebP since 2010, 2019, and 2018 respectively.

How big a WebP can this tool handle?

Browser memory and the maximum canvas dimensions are the constraints. Most browsers support canvases up to 16,384 × 16,384 px (Chrome) or 11,180 × 11,180 px (Safari). A 4K (3840×2160) WebP decodes and re-encodes in under a second on any modern device. Be aware: a 24 MP RGBA buffer is 96 MB in RAM, and the resulting PNG can be 50–100 MB on disk. There is no server-imposed file size limit because no upload happens.

WebP to PNG Converter Online — Free Lossless Image Tool