How do I convert BMP to WebP?

Upload your BMP file above. It is converted to WebP automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.

Does converting BMP to WebP lose quality?

WebP is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.

BMP stores pixels with no compression at all. Files are large, but very old or simple software that can’t read modern formats can usually read a BMP.

Is the BMP to WebP converter free?

Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

Convert BMP to WebP — Smaller Images for Faster Sites

Convert BMP to WebP online for smaller, faster-loading web images. No software to install. Preview one free or batch-convert with Premium.

Drop your BMP file or click to browse

Why convert BMP to WebP?

WebP files are usually smaller than BMP for the same picture, so pages load faster and uploads finish sooner.
WebP is made for websites, online stores and blogs that need fast-loading images.

What to expect when converting BMP to WebP

WebP uses lossy compression by default; raise the quality or switch on lossless in Settings for a closer copy.
Your original BMP file isn’t changed: you download a new WebP copy.

BMP vs WebP

Feature	BMP	WebP
Full name	Windows Bitmap	WebP
Origin	Created by Microsoft for Windows	Released by Google in 2010
Compression	Uncompressed	Lossy or lossless
Transparency	No (in the 24-bit BMPs most apps read)	Yes — smooth, partial transparency
Animation	No	Yes
Colour	16.7 million colours (24-bit)	8 bits per channel
Where it opens	Windows and macOS apps, older software and browsers	All current browsers; some older desktop apps and upload forms reject it
Best for	older Windows programs, embedded devices and tools that need raw pixels	websites, online stores and blogs that need fast-loading images
Main drawback	very large files and no transparency	older apps and some upload forms don’t accept it

In short: choose BMP for older Windows programs, embedded devices and tools that need raw pixels; choose WebP for websites, online stores and blogs that need fast-loading images.

BMP to WebP for web pages and online stores

A BMP is far too heavy for a web page. Uncompressed, a 1200 × 800 product photo comes to almost 3 MB before the page has loaded anything else. WebP brings it down to a size browsers fetch quickly, and every current browser displays it.

Choose the mode by content. Photographs do well as lossy WebP at the default 90 or a little lower. Screenshots, charts and interface captures from old software belong in Lossless mode, which leaves every pixel untouched yet still compresses far better than BMP. A 32-bit BMP with transparency keeps it in the WebP.

Some older desktop apps and upload forms reject WebP; for those, make a JPG copy of the bitmap. If the image is wider than your content area, scale it to the column width too, picking WebP as the output there.

Before the WebP goes live

Lossless mode on for screenshots and text, off for photos.
Pixel width close to the space the image fills on the page.
KB figure on the preview small enough for the page you are building.

Frequently asked questions

How do I convert BMP to WebP?: Upload your BMP file above. It is converted to WebP automatically (change the output format or quality in the Settings tab if you need to), then click Download. There is nothing to install.
Does converting BMP to WebP lose quality?: WebP is lossy by default, so some fine detail is discarded to make the file smaller. Raise the quality or switch on lossless in Settings for a closer copy.
BMP or WebP: which should I use?: Use BMP for older Windows programs, embedded devices and tools that need raw pixels. Use WebP for websites, online stores and blogs that need fast-loading images. Keep in mind the main drawback of WebP: older apps and some upload forms don’t accept it.
What is a BMP file?: BMP stores pixels with no compression at all. Files are large, but very old or simple software that can’t read modern formats can usually read a BMP.
Is the BMP to WebP converter free?: Yes. Convert, preview and download a single result without creating an account. Premium adds batch conversion (many files into one ZIP) and larger uploads.

What you can do with BMP to WebP

Review the main capabilities before you begin.

Convert BMP files to WebP online
Choose WebP quality or switch to lossless
Switch to any other output format in Settings
Batch-convert many BMP files into one ZIP
Preview the result before you download

Use this tool

Settings reference

Available controls for BMP to WebP.

Settings

Output formatDropdown: Chooses the file type you download. The page opens on its own output format; switch to any other format before converting.Options: JPGPNGWebPAVIFGIFTIFFBMPICOPDF
QualitySliderRange: 20–100 · Default: 90: For JPG, WebP, AVIF and image-to-PDF output: higher keeps more detail but makes a bigger file; 60–80 suits most photos. Documents (Publisher, XPS, EPS…) become PDFs with every page and sharp text, with no quality setting.
Lossless modeOn / Off: For WebP and AVIF output: keeps every pixel exactly (best for logos, graphics and transparency) at the cost of a larger file.
Background fillColor picker: For JPG, BMP and image-to-PDF output, which can’t store transparency: the colour that fills transparent areas (white by default).