PNGToolbox

Make transparent PNGs or convert WebP files.

Remove a white or solid-color background, or convert WebP images to PNG. Inspect the real result before downloading.

Open PNG tools

PNG tools

Choose a task and start

Use the converter or switch to solid-background removal.

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Choose WebP files

Drop one or more files here · Batch ZIP supported
Fast batch conversion
  • Add one or more WebP files
  • Keep the original size or resize
  • Download PNG or a ZIP

Files are processed locally in this browser.

Output size
Choose WebP files to start.
Selected files0 files
    P
    WebP in, practical PNG outAdd files to replace this overview with your live conversion queue.
    01Keep transparencyPreserve transparent pixels when the source contains them.
    02Resize if neededKeep original dimensions or set an exact output size.
    03Convert a batchProcess multiple still images in the same queue.
    04Download onceSingle files save as PNG; batches arrive in a ZIP.

    Local conversion · No account required

    White pixels and transparent pixels are not the same

    A checkerboard is only a preview convention. The exported PNG must contain an alpha channel for another background to show through.

    Comparison of a white-background image and an image with real transparent pixels
    White background vs real transparencyA white fill remains visible. Transparent pixels reveal whatever sits behind the PNG.
    Alpha opacity scale from fully opaque to fully transparent pixels
    Alpha controls edge opacityFeathering creates partially transparent edge pixels; too much can soften small details.
    Read the illustrated transparency guide

    A result you can inspect

    Transparency is measured from the processed pixels

    The result is not a stock preview. PNGToolbox processes the selected image on this device, counts transparent pixels in the working canvas, and measures the exported PNG file.

    01

    Sample the real background

    Click a background area in the preview. The selected pixel color becomes the removal target, so you can correct off-white or colored backgrounds.

    02

    Compare before and after

    Switch between Original and Result without changing the export canvas. This makes missed edges, holes, and excessive removal easier to spot.

    03

    Read the actual result

    The toolbar reports the transparent share of the image and the browser-generated PNG size instead of promising a fixed outcome.

    Built and reviewed by PNGToolbox for browser-based PNG workflows. Testing method About the site Last workflow review: August 8, 2026

    Choose the right operation

    Edge removal or global color removal?

    These modes solve different background problems. Choosing the safer mode first protects colors inside the subject.

    ModeUse it whenTradeoff
    Connected to edgesThe subject is surrounded by one background colorSafer for white details enclosed inside the subject
    EverywhereThe same unwanted color appears in separate areasCan remove matching colors that belong to the subject
    FeatheringEdges look jagged or retain a light haloToo much can make fine details translucent

    Choose the workflow from the source image

    The right operation depends on what you start with, not simply on wanting a PNG at the end.

    A WebP file that already looks correctConvert it to PNG. Keep the dimensions unless the receiving app requires another size. Use converter A product photo on white or one flat colorSample the actual background, start with edge-connected removal, then inspect the outline. Remove background A full photo with no transparency needPNG may be unnecessarily large. Compare JPG or WebP before choosing a lossless export. Compare formats An animated WebPThis tool is designed for still images. Browser decoding may expose only one frame. Check limitations

    Guides

    PNG image processing guides

    WebP vs PNG

    Compare compression, transparency, compatibility, and the best use cases for WebP and PNG.

    PNG format basics

    A beginner-friendly explanation of PNG advantages, limitations, and common use cases.

    How PNGToolbox tests PNG output

    Review the reproducible checks used for dimensions, alpha transparency, color removal, batch conversion, and downloaded PNG files.

    FAQ

    WebP to PNG questions

    Are WebP files uploaded?

    No. For normal use, selected WebP files are converted locally in your browser.

    Does PNG keep transparency?

    Yes. If the WebP image contains transparent pixels, the PNG output should keep that transparency in browsers that support WebP decoding.

    Why is PNG larger than WebP?

    PNG is designed for lossless graphics and transparency, while WebP often uses stronger compression for web delivery.

    Can animated WebP files be converted?

    This browser tool is intended for still images. Animated WebP files may only expose a single frame depending on browser behavior.