BMP Won't Open? Convert to PALM Instantly
Fast, instant BMP to PALM conversion. No signup required. Just drop your .bmp file and get .palm in seconds.
Batch Settings
还在为BMP图片文件太大，不方便在微信上分享给朋友，或者在旧款手机、掌上设备上显示不流畅而烦恼吗？BMP格式虽然清晰，但其未经压缩的特性，让它在注重效率和移动互联的今天显得有些笨重。而PALM（Palm OS Bitmap）格式，正是为这些场景量身打造的。它以小巧的体积和快速的加载速度见长，特别适合资源有限的设备和需要快速传输的场合。将BMP转换为PALM，就像是为您的图片文件做了一次轻量化改造，让它们能更好地适应各种移动设备和网络环境，无论是分享、存储还是显示，都能更加得心应手，不再卡顿。
- 微信表情包制作与分享
- 老旧掌上游戏机素材导入
- 嵌入式设备UI图标优化
在大陆和台湾地区，早期掌上设备（如一些电子词典、老式PDA）对图片格式有严格限制，PALM格式因其高效性而曾被广泛支持，至今仍有部分小众应用或怀旧设备会用到。
About BMP to PALM Conversion
Dealing with a BMP file that won't open on your device? You're not alone — BMP compatibility issues are one of the most common reasons people search for a file converter. BMP is an uncompressed raster format that preserves every pixel but produces very large files.
The fix is simple: convert your BMP to PALM. PALM is a widely used file format. This conversion lets you convert between formats quickly, solving the problem in seconds rather than hours of troubleshooting.
Converting BMP to PALM maintains high quality with CocoConvert's optimised encoder settings.
CocoConvert processes your BMP file on secure servers in Germany — upload, convert, download. Your files are encrypted via TLS and automatically deleted within 24 hours. No account needed, no software to install, and it works on any device with a browser.
This conversion is ideal when you When you need a PALM file.
The conversion engine behind CocoConvert uses FFmpeg, Sharp, and qpdf — the same open-source libraries trusted by Netflix, YouTube, and enterprise platforms. Pro users can batch convert up to 100 files at once.
How to Convert BMP to PALM
- 1
Add your BMP file
Drag and drop your .bmp file into the converter, or tap "Browse" to pick it from your device. Multiple files are supported for batch processing.
- 2
Pick PALM output
Select .palm as the target format. CocoConvert automatically applies the best quality settings for this conversion.
- 3
Start conversion
Hit the Convert button. The image engine processes your file server-side — no CPU drain on your device.
- 4
Save your file
Once done, download your .palm file. For batch jobs, download all at once as a zip.
What Happens When You Convert BMP to PALM
Your BMP file is decoded and re-encoded as PALM.
Your BMP file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in PALM format
The converted file is ready for download
Format Comparison
BMP
.bmp file
| Extension | .bmp |
| MIME Type | image/bmp |
| Category | Image |
PALM
.palm file
| Extension | .palm |
| MIME Type | image/x-palm |
| Category | Image |
Should You Convert BMP to PALM?
When to Convert
- ✓When you need a PALM file
Frequently Asked Questions
Why won't my BMP file open?
BMP files may not open if your device lacks the right codec or application. Converting to PALM — a more widely supported format — usually resolves this. PALM is a widely used file format.
Is it safe to convert BMP to PALM online?
Yes. CocoConvert encrypts your file via TLS, processes it on isolated servers in Germany, and permanently deletes it within 24 hours. Your files are never shared or analysed.
Will I lose quality converting BMP to PALM?
Converting BMP to PALM maintains high quality with CocoConvert's optimised encoder settings. CocoConvert uses high-quality encoder defaults to preserve as much fidelity as possible.
How large can my BMP file be?
Free users can convert files up to 250 MB each. Pro users get a 5 GB limit per file, and Business API users have custom limits.
Can I convert BMP to PALM on my phone?
Absolutely. CocoConvert works in any modern browser — iOS Safari, Android Chrome, and all desktop browsers. No app required.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.