Choose a PNG file
Drop a PNG into the PNG to WebP converter or open the built-in demo. The image stays local in the tab.
Lossy control, transparency kept
PNG to WebP Converter
Convert PNG to WebP online for a smaller image that can still keep transparency. This converter works entirely in your browser, with no upload.
No uploadNo signupNo watermarkJPG · PNG · WebP
Drop a PNG image here
PNG · Up to 100 MB · Max 24 MP
Output—
Format—
Saved—
Real converted output
See what this png to webp converter produces
These examples show the same 1200 × 800 source before and after conversion. Captions state the real file sizes produced locally with the settings described.
Three quick steps
How to convert PNG to WebP online
The converter keeps the common path visible and previews the real result before you download. No upload, no queue, no account.
Pick the output quality
Adjust Output quality to balance size and detail. Transparency is preserved for both lossy and high-quality output.
Download the WebP
Check the preview and download a separate WebP file. The original PNG is not overwritten.
Format comparison
PNG vs WebP: what changes
Understanding the tradeoff prevents surprises. This table shows what the conversion changes and what stays the same.
| Feature | PNG | After conversion to WebP |
|---|---|---|
| Compression | Lossless | Lossy or lossless |
| Transparency | Yes | Yes |
| Typical file size | Largest | Smallest |
| Best for | Graphics, logos, sharp text | Compact modern web images |
| Format | Compression | Transparency | Best starting use |
|---|---|---|---|
| JPG | Lossy with quality control | No | Photos, compatibility, small files |
| PNG | Lossless | Yes | Graphics, logos, sharp text, edits |
| WebP | Lossy or lossless | Yes | Compact modern web images |
Honest answer
Does PNG to WebP conversion keep transparency?
Yes. WebP supports an alpha channel, so transparent PNG edges and shadows survive the conversion. The converter preserves transparency while letting you trade quality for a smaller file.
Because WebP can use lossy encoding, a photographic PNG often becomes much smaller with little visible change. Graphics with sharp edges stay crisp at high quality settings.
Practical jobs
When converting PNG to WebP is the right move
These are the common situations where the conversion actually saves time, bandwidth, or compatibility headaches.
Transparent web graphics
PNG logos and cutouts are often heavy. Convert PNG to WebP for a transparent asset that loads faster.
Shrinking photographic PNGs
Cameras and screenshots exported as PNG can be large. Convert PNG to WebP when the destination accepts it.
App and interface icons
WebP is widely supported in app bundles. Convert to WebP for smaller icons and UI assets.
Delivery and caching
Smaller assets mean cheaper delivery and faster page loads. Convert before uploading to a CDN or CMS.
Know the limits
What this png to webp converter does not promise
The PNG-to-WebP converter works on the pixels you provide; it does not repair damaged sources, upscale small files, or add detail. Re-encoding to a lossy format removes information, and converting the same file repeatedly never makes it cleaner.
Browser encoders vary slightly, and very large images can strain memory on older phones. Keep your original, inspect text and edges in the preview, and never rely on a format conversion to hide or redact private content.
Continue the workflow
More image tools and converters
Researched questions
png to webp converter FAQ
Direct answers about cost, privacy, file size, quality, transparency, mobile use, and when to keep the original format.
Is this PNG to WebP converter free?
Yes. The converter is free with no account, subscription, watermark, or daily limit.
Can I convert PNG to WebP without losing quality?
WebP lossy encoding at a high Output quality looks very close to the PNG. True lossless output is not offered here; keep the PNG when pixel-exact lossless output is required.
Does the conversion keep transparency?
Yes. WebP supports an alpha channel, so transparent PNG areas remain transparent in the output.
Is WebP smaller than PNG?
Usually, often dramatically. Lossy WebP removes redundant data efficiently, while PNG is lossless by design. Photos routinely drop 50% or more.
Do I need to install anything to convert PNG to WebP?
No. The conversion runs in your browser with Canvas. No app, extension, or plugin is needed.
Are my images uploaded to a server?
No. The converter processes files in this browser tab and has no upload endpoint.
What is the maximum file size?
PNG files up to 100 MB are accepted, within about 24 megapixels and 8192 px per side.
Can I convert several PNG files at once?
This converter handles one file at a time. Local processing makes back-to-back conversions instant.
Will every website accept WebP?
All modern browsers open WebP. A few legacy systems and very old apps do not, so keep a PNG or JPG fallback when compatibility is critical.
Does PNG to WebP work on mobile?
Yes, in current mobile browsers with Canvas support. Large images may use significant memory on older phones.
When should I keep PNG instead?
Keep PNG when you need lossless pixels, extremely broad compatibility, or frequent re-editing. Convert to WebP when size matters and the destination supports it.
Ready when you are
Convert PNG to WebP privately
Choose a file, adjust the output, and download the converted image. No upload, no signup, no watermark.