AssetMelt

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JPEG · PNG · WebP · AVIF · HEIC · SVG · GIF · JXL · TIFF

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Web OptimizedWEBP · max 1920px

Files never uploaded · 100% client-side · I cannot see your photos · Privacy policy

Pipeline ready: BMP → WebP (any input still accepted)

Free BMP to WebP converter in your browser

Asset Melt Studio is a BMP to WebP converter that runs entirely on your device. Web-ready files from BMP exports — skip the PNG middleman when the BMP is going straight on a site.

Drop one BMP or a whole folder — the pipeline is already set to WebP using the official WebP encoder. That is the BMP to WebP workflow people search for: convert BMP to WebP without an upload, then resize, crop, or hit a size budget (when the codec allows) before you download.

Input is not locked to BMP: you can still open JPEG, PNG, WebP, AVIF, HEIC, GIF, and more in the same session. The BMP to WebP URL simply pre-selects WebP so bmp to webp jobs start in one click.

Typical BMP to WebP result

A phone UI BMP destined for a documentation site.

~97% smaller

Smartphone showing an app dashboard in a workspace
Smartphone showing an app dashboard in a workspace
BMP · 5.8 MBWebP · 165 KB

Before · BMP5.8 MB — Uncompressed dump

After · WebP165 KB — Quality ~85

Illustrative BMP to WebP. One local step from an uncompressed dump to a web still.

How to use this converter

  1. Step 1

    Open this BMP to WebP page

    You are already on the BMP to WebP converter. Output is pre-selected as WebP. You can still drop mixed formats — the BMP to WebP URL is a starting point, not a file-type lock.

  2. Step 2

    Drop BMP files (or a folder)

    Drag BMP images onto the studio, click to choose, or paste. Folder drops queue nested images. Then process — BMP to WebP encoding runs in Web Workers on this device.

  3. Step 3

    Preview, tweak, download

    Use the before/after scrubber until the BMP to WebP result looks right. Adjust quality, crop, or resize, then download one WebP or a ZIP of the batch.

BMP to WebP at a glance

BMP to WebP at a glance
TopicBMPWebP
BMPUncompressedDo not ship
WebPLossy/near-losslessWeb delivery
vs PNGLossless, largerUsually smaller WebP
Size budgetN/ASupported
AlphaUncommon in BMPKept if present

Why convert BMP to WebP

BMP to WebP is for screenshots and photos that should never have been BMP. You get a web format in one local step.

Compared with BMP to PNG, BMP to WebP is usually smaller for photos and still fine for many UI captures.

Uncompressed BMP in git or Slack is a tax. Convert BMP to WebP before you share.

Typical BMP to WebP file sizes

Typical BMP to WebP file sizes
SourceBeforeAfterNote
1080p screenshot BMP6 MB BMP~180 KB WebPTypical docs image
Photo BMP20 MB BMP~500 KB WebPResize recommended
Need PNG instead6 MB BMPSee BMP to PNGLossless path

How BMP to WebP works in Asset Melt

Drop BMP. WebP encode. Size budget on.

Preview text in screenshots; raise quality if type looks soft.

ZIP for a docs site image folder.

When to use BMP to WebP (and when not to)

Publishing old BMP dumps on the web.

When BMP to PNG is still too heavy.

Skip BMP to WebP if the destination requires PNG or JPEG specifically.

BMP to WebP quality and settings

Quality 80–90 for screenshots. Size budget if a CMS caps KB.

Also export JPEG if a partner cannot take WebP.

Resize 1080p BMPs if they will display at 640px.

Strip metadata; BMP rarely has useful EXIF anyway.

Privacy while you convert BMP to WebP

Image processing is 100% client-side in your browser with WebAssembly. Your photos are not uploaded, I cannot see or recover them, and sampled session replay is UI-only and does not include image pixels (media is blocked). The site still sends usage analytics and crash reports — details are on the privacy page. That includes every BMP to WebP job — the converter never needs your files on a server.

Upload compressors send your bitmap to someone else’s API. Asset Melt keeps bmp to webp on this device. Session replay, if sampled, is UI-only and does not include image pixels.

Related conversions

Frequently asked questions

Yes. This BMP to WebP converter runs entirely in your browser. Image processing is 100% client-side in your browser with WebAssembly. Your photos are not uploaded, I cannot see or recover them, and sampled session replay is UI-only and does not include image pixels (media is blocked). The site still sends usage analytics and crash reports — details are on the privacy page.

No. The Studio still opens JPEG, PNG, WebP, AVIF, HEIC, GIF, TIFF, BMP, SVG, JPEG XL, and QOI. The BMP to WebP URL pre-selects WebP output for the common BMP workflow, but mixed batches are fine — only the output codec is locked to WebP until you change Format settings.

Yes. Queue many BMP files (or a folder), keep WebP as the output, and the Studio encodes in parallel on a worker pool sized to your CPU (up to 4) with live per-file progress, Pause, and Cancel. Pause lets in-flight files finish so you can download what is ready. Optional “ZIP every 25 files” packs numbered ZIPs during encode. There is no 20-image cap; very large BMP to WebP batches depend on device RAM.

BMP to WebP output uses the official WebP encoder via the same Squoosh-grade @jsquash WebAssembly stack, running locally in a Web Worker. You can still crop, resize, filter, and (for lossy WebP) set a size budget before download.

Yes. BMP to WebP conversion is free: no account, no watermark, and no file-count limit. Download one file or a ZIP of the whole queue.

WebP is usually smaller for photos and screenshots. PNG is the lossless container. Pick PNG if an editor requires it.

Default WebP is lossy. Raise quality and inspect. For guaranteed lossless, use BMP to PNG.

Yes. Size budget is supported for WebP, so a 100 KB CMS cap can drive BMP to WebP automatically.