How to Convert BMP to WBMP — Quick & Free
Fast, instant BMP to WBMP conversion. No signup required. Just drop your .bmp file and get .wbmp in seconds.
Batch Settings
お持ちのBMP画像を、モバイル機器や特定のシステムでより効率的に扱えるWBMP形式へ変換しませんか？当社の変換ツールは、画質の劣化を最小限に抑えつつ、ファイルサイズを大幅に削減することが可能です。特に、モノクロ表示が求められる場面や、データ通信量を節約したい場合にWBMPは大変有効です。複雑な設定は不要で、直感的な操作でどなたでも簡単に変換いただけます。大切な画像を、用途に合わせて最適な形式で活用しましょう。この機会に、お手持ちのBMPファイルをWBMPへとスムーズに移行し、デジタルコンテンツの可能性を広げてください。
- ガラケー向けサイト画像
- ビジネス文書のモノクロ図版
- 組み込みシステム用アイコン
日本においては、かつての携帯電話向けコンテンツ（フィーチャーフォン、通称「ガラケー」）でWBMP形式が広く利用されていました。そのため、古いシステムやアーカイブデータの互換性維持において、この形式への変換が今でも求められることがあります。
About BMP to WBMP Conversion
Short answer: yes, you can convert BMP to WBMP online for free, and quality is well preserved with the right settings. Just upload your .bmp file to CocoConvert, pick WBMP as the output, and click Convert. The whole process takes seconds.
Now for the details. BMP is an uncompressed raster format that preserves every pixel but produces very large files. WBMP is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your BMP file is decoded and re-encoded as WBMP. Converting BMP to WBMP maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert runs entirely online — no software to install, no account to create. Your files are encrypted during upload (TLS), processed on isolated servers in Germany, and permanently deleted after 24 hours. It works in Chrome, Safari, Firefox, Edge, and all mobile browsers.
Need to convert more than one file? Free users can do 5 per hour. Pro gets 100 per hour with files up to 5 GB each.
How to Convert BMP to WBMP
- 1
1. Upload BMP
Drop your .bmp file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select WBMP
Choose .wbmp from the output dropdown. Settings are pre-configured for best results.
- 3
3. Convert
One click. The server handles all the heavy lifting using FFmpeg and Sharp.
- 4
4. Download
Your .wbmp file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert BMP to WBMP
Your BMP file is decoded and re-encoded as WBMP.
Your BMP file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in WBMP format
The converted file is ready for download
Format Comparison
BMP
.bmp file
| Extension | .bmp |
| MIME Type | image/bmp |
| Category | Image |
WBMP
.wbmp file
| Extension | .wbmp |
| MIME Type | image/vnd.wap.wbmp |
| Category | Image |
Should You Convert BMP to WBMP?
When to Convert
- ✓When you need a WBMP file
Frequently Asked Questions
Is BMP to WBMP conversion free?
Yes. CocoConvert offers free BMP to WBMP conversion with generous daily limits — 25 minutes of processing time and up to 5 files per hour (250 MB each). Pro plans remove these limits.
How fast is BMP to WBMP conversion?
Most files convert in 2–10 seconds depending on size. Large image files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded BMP file and the converted WBMP file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting BMP to WBMP lose quality?
Converting BMP to WBMP maintains high quality with CocoConvert's optimised encoder settings.
Can I convert WBMP back to BMP?
Yes, CocoConvert supports WBMP to BMP conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
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