SIXEL to XBM — Format Comparison & Online Converter
Fast, instant SIXEL to XBM conversion. No signup required. Just drop your .sixel file and get .xbm in seconds.
Batch Settings
古くから親しまれてきたテキストベースのグラフィック形式であるSIXELと、X Window Systemで画像表示に用いられるXBM。一見すると異なる出自を持つ両者ですが、特定の環境や用途においては、その相互変換が非常に有益となる場面がございます。例えば、往年のシステムで作成された図版を現代の環境で再利用したい場合や、極めてシンプルなモノクロ画像を効率的に扱いたい場合など、それぞれの形式が持つ独自の特性を理解し、適切に変換することで、新たな可能性が拓けます。当ツールは、そうした皆様のニーズにお応えするため、SIXEL画像をXBM形式へ、手軽かつ正確に変換するお手伝いをいたします。複雑な設定は一切不要。お手持ちのファイルをアップロードするだけで、すぐに変換が完了します。
- 古いUNIX系システムからの画像移行
- 組み込み機器向けモノクロアイコン作成
- C言語ソースコードへの画像埋め込み
日本では、特にレガシーシステムや特定の産業分野でSIXELが未だ現役で使われていることがあり、XBMへの変換はニッチながらも重要な需要があります。
About SIXEL to XBM Conversion
SIXEL and XBM are both image formats, but they differ in important ways. SIXEL is a widely used file format. XBM is a widely used file format.
When you convert SIXEL to XBM, the goal is to convert between formats quickly. Converting SIXEL to XBM maintains high quality with CocoConvert's optimised encoder settings. Understanding these technical differences helps you choose the right format for your workflow.
Your SIXEL file is decoded and re-encoded as XBM. The conversion involves 4 steps: (1) your sixel file is uploaded and validated, (2) the file is decoded (parsed into its raw data), (3) the data is re-encoded in xbm format, (4) the converted file is ready for download.
CocoConvert's converter handles the entire pipeline server-side using FFmpeg, Sharp, and qpdf — battle-tested libraries used by streaming platforms and enterprise tools. Files are encrypted in transit and deleted within 24 hours.
This conversion is ideal when you When you need a XBM file. For the opposite direction, CocoConvert also supports XBM to SIXEL conversion.
How to Convert SIXEL to XBM
- 1
Upload .sixel file
Select your SIXEL file by dragging it to the upload zone or using the file picker. Batch upload is available for multiple files.
- 2
Choose .xbm
Set XBM as the output format. The converter uses optimal settings based on the SIXEL→XBM conversion profile.
- 3
Convert
The server-side engine decodes your SIXEL file and re-encodes it as XBM. Processing time depends on file size and complexity.
- 4
Download result
Grab your converted .xbm file. Multiple output files can be downloaded together.
What Happens When You Convert SIXEL to XBM
Your SIXEL file is decoded and re-encoded as XBM.
Your SIXEL file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in XBM format
The converted file is ready for download
Format Comparison
SIXEL
.sixel file
| Extension | .sixel |
| MIME Type | image/x-sixel |
| Category | Image |
XBM
.xbm file
| Extension | .xbm |
| MIME Type | image/x-xbitmap |
| Category | Image |
Should You Convert SIXEL to XBM?
When to Convert
- ✓When you need a XBM file
Frequently Asked Questions
What is the difference between SIXEL and XBM?
SIXEL is a widely used file format. XBM is a widely used file format.
Does SIXEL to XBM conversion affect quality?
Converting SIXEL to XBM maintains high quality with CocoConvert's optimised encoder settings.
Which format has better compression, SIXEL or XBM?
SIXEL is a common image format. XBM is widely supported. The better choice depends on whether you prioritize file size or quality.
How long does SIXEL to XBM conversion take?
Most conversions finish in seconds. Larger files or complex image content may take 10–30 seconds. CocoConvert processes files in parallel for batch jobs.
Is SIXEL or XBM better for long-term storage?
Both formats use lossy compression, so consider keeping your original source file for long-term storage.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.