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Add Background Color

Fill the transparent areas of a PNG or WebP with any solid color right in your browser. Free, private, no upload — add a background to your image now.

Drop files here or click to upload

PNG, WEBP · up to 20.0 MB per file

Files are private and deleted after conversion

How to use Add Background Color

  1. 01

    Select your image

    Choose a PNG or WebP with transparent areas — it loads directly in your browser and is never uploaded.

  2. 02

    Pick a fill color

    Choose a color with the picker or enter an exact #rrggbb hex value, such as your brand color.

  3. 03

    Preview the fill

    Only the transparent pixels are filled; opaque areas of your image stay untouched, and you see the result immediately.

  4. 04

    Download the result

    Save the filled image in its original format — PNG stays PNG, WebP stays WebP — with nothing ever stored on a server.

Why choose our Add Background Color

Processed entirely in your browser

The color fill happens locally on your device — your image is never uploaded, so there's nothing for anyone else to see.

Instant fill, no waiting

Transparent areas are filled the moment you pick a color, with a live preview and no server round trip.

Free and unlimited

Fill as many images as you need at no cost — there's no per-file charge for a local operation like this.

No signup needed

Open the tool and start filling colors right away — no account or email required.

Settings guide

Background color (#rrggbb)
Pick a color with the picker or paste an exact hex code — #ffffff for white, #000000 for black, or your brand color. The color fills fully transparent pixels and blends under semi-transparent edges; opaque areas are never touched.

About the formats

PNG

PNG is a lossless raster image format created in the mid-1990s as a patent-free replacement for GIF. It is the standard choice for screenshots, logos, UI graphics, and any image that needs transparency.

PNG preserves every pixel exactly and supports a full 8-bit alpha channel, so text and sharp edges stay crisp. The downside is size: photographs saved as PNG are far larger than the same image as JPG or WebP. Support is universal in browsers and editors, making it a safe default for graphics — just avoid it for large photo collections.

WebP

WebP is a modern image format developed by Google that supports both lossy and lossless compression, along with transparency and animation. At comparable visual quality it usually produces noticeably smaller files than JPG or PNG.

Every current browser supports WebP, which makes it an excellent default for web delivery. Outside the browser the picture is mixed: older desktop software, some email clients, and legacy systems may fail to open it. If a recipient cannot view a WebP file, convert it to JPG for photos or to PNG when transparency must be preserved.

Troubleshooting

Nothing changed after applying a color
Your image probably has no transparent pixels — JPGs never do, and some PNGs are exported already flattened. Only transparent areas get filled; check the source file actually has an alpha channel.
Edges look fringed or have a halo
Semi-transparent edge pixels blend with the new background, which can reveal a fringe from the original matte. Pick a fill color closer to the subject's edge tone, or use a cleaner cutout as the source.
The color does not match my brand hex
First double-check the exact #rrggbb value you entered. If the value is right, remember that monitors and color profiles can shift how the same hex looks — verify the downloaded file in a color-managed app.

FAQ

Which images does this work on?
PNG and WebP images that contain transparent (alpha) areas — logos, cutouts, stickers, exported graphics. Only the transparent pixels are filled with your chosen color; opaque areas are untouched.
Is my image uploaded to a server?
No. The fill is processed entirely in your browser, never uploaded. Your image stays on your device from start to finish.
Does the output format change?
No — the output keeps the source format: a PNG stays PNG and a WebP stays WebP. The transparency is simply replaced by the solid color you picked.
Is there a file size limit?
There is no upload limit because everything runs locally. Very large images are limited only by your device's memory, and single files are free to process.
Can I use this to remove a background instead of adding one?
No — this tool only fills existing transparent areas with a solid color; it doesn't cut out or remove a background from a photo. You need an image that's already transparent, such as one exported from a design tool or a background-removal tool, before using this.
Will this work on a regular JPG photo?
No. JPG has no transparency channel, so there's nothing for the tool to fill. Export or convert your image to PNG or WebP with transparency first.
Is there a limit on how many images I can process?
No. Because everything runs locally in your browser, there's no signup and no cap — fill as many images as you need, one after another, for free.

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