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Convert · Format conversion
Image format conversion - Convert

Convert BMP to WebP

Export an ordinary Windows bitmap as a WebP web image. This workflow supports ordinary unsigned 8-bit RGB BMP pictures. Default output and the Lossless choice use lossless WebP encoding. To request lossy WebP, leave Lossless unchecked and enter Quality. Lossy output does not promise identical pixels. Converting the format does not add missing detail or resolution.
Choose a BMP file for WebP conversion
BMP to WebP converter

WebP output is preset. Default output and the Lossless choice use lossless WebP encoding. To request lossy WebP, leave Lossless unchecked and enter Quality. Lossy output does not promise identical pixels. Each source image has its own output task and file; this workflow does not export animation. Review transparency, color and metadata choices, then choose Add task and Run when ready. No task is created automatically.

Loading BMP to WebP controls.

Upload images or PDFs
Major image and PDF formats supported. Full extension list is below.
5 files100MB total52MP max
Batch: up to 5 files / 100MB total. Max 52MP each.
Supported extensions (expand/search)

Supports many aliases including jpeg.

Input extensions

.apng.avif.avifs.avis.bmp.btf.btif.bw.cur.dcx.dds.dib.farbfeld.ff.gif.heic.heics.heif.heifs.heim.heis.heix.hif.icb.ico.icon.int.inta.j2c.j2k.j2p.j2x.jfi.jfif.jhc.jif.jp2.jpc.jpe.jpeg.jpf.jpg.jph.jphc.jpm.jpx.jxl.mif1.mj2.mjp2.mjpeg.mjpg.mpo.msf1.ora.pam.pbm.pcc.pcx.pdf.pfm.pgm.pjpeg.pm.png.pnm.ppm.psb.psd.qoi.ras.rgb.rgba.rle.sgi.sr.sun.svg.tga.thm.tif.tiff.tpic.vda.vst.webp.xbm.xpm
File list
Original
Select a file.
Output
No output yet.

Output format

Output format
Choose the output format. For HEIC/HEIF input, output is converted to the selected format (default: WebP).
Selected extension: .webp · 5/5
Browse by category, search extension aliases, then click one extension to apply.
Transparency
JPG does not support transparency and requires background compositing.
Background
#ffffff
Alpha is composited on the selected background. (JPG has no alpha).
Ready

BMP to WebP questions

Which BMP files can I convert to WebP?

This workflow supports ordinary unsigned 8-bit RGB BMP pictures. High-bit, CMYK, animated and unqualified file variants are outside its scope. Each source image has its own output task and file; this workflow does not export animation.

What quality will my WebP have?

Default encoding and the Lossless choice use lossless WebP. Entering Quality with Lossless unchecked requests lossy WebP; quality alone is not a guarantee of identical pixels or a smaller file. Converting the format does not add missing detail or resolution.

Will transparency, colors and metadata be identical?

Review the transparency and color settings before adding the task. The target can represent transparency, but this page does not guarantee identical RGB or alpha values, full metadata or original color-profile preservation. Check the downloaded image in the receiving app.

Will all source pages or frames be exported?

Each source image has its own output task and file; this workflow does not export animation.

Will the result always be smaller or accepted by my app?

No. Compare the actual download size with your limit and confirm that the receiving app accepts WebP. A different extension alone does not guarantee acceptance, smaller bytes or print readiness.

How to convert BMP to WebP

1. Choose your BMP image Select ordinary unsigned 8-bit RGB BMP pictures. High-bit, CMYK and animated input are outside this page's supported scope. Each source image has its own output task and file; this workflow does not export animation.

2. Review WebP output Confirm WebP is selected. Leave Quality blank for the native default, or check Lossless. To choose lossy encoding, uncheck Lossless and enter Quality. Leave Width and Height blank to keep dimensions after orientation handling.

3. Review source and output choices Each source image has its own output task and file; this workflow does not export animation. Review any transparency/background, color-profile and metadata decisions. Complete metadata, original color-profile preservation and every file variant are not guaranteed.

4. Add the task, convert and download Choose Add task, then Run and download the WebP. Check the actual image, file size and receiving app's requirements. Converting the format does not add missing detail or resolution.

Choose another image task

Save an ordinary supported BMP picture as PNG.

Prepare a supported BMP picture as JPG.

Choose another existing image task.