How to Convert WMA to IMA — Quick & Free
Fast, instant WMA to IMA conversion. No signup required. Just drop your .wma file and get .ima in seconds.
Batch Settings
長年親しまれてきたWMA形式の音声ファイル。しかし、特定の用途や環境下では、より軽量で処理しやすいIMA形式への変換が求められることがあります。例えば、古いシステムでの再生互換性を確保したい場合や、組み込み機器での利用を想定する際など、WMAからIMAへの変換は、音源を新たな可能性へと導く重要な一歩となるでしょう。当ツールは、煩雑な手順を排し、どなたでも直感的にWMAファイルをIMA形式へ変換できるよう設計されています。音質の劣化を最小限に抑えつつ、スムーズな変換を実現することで、皆様のクリエイティブな活動やビジネスシーンを強力にサポートいたします。変換後のファイルは、様々なプラットフォームでその真価を発揮することでしょう。
- ガラケー向け着信音作成
- 同人ゲームのBGM軽量化
- ボイスドラマの容量削減
日本では、一部のレガシーシステムや特定の携帯電話キャリアが提供していたサービスにおいて、WMA形式が採用されていた背景があります。そのため、それらの資産を現代の環境で再利用する際に、IMA形式への変換が有効な選択肢となる場合があります。
About WMA to IMA Conversion
Short answer: yes, you can convert WMA to IMA online for free, and quality is well preserved with the right settings. Just upload your .wma file to CocoConvert, pick IMA as the output, and click Convert. The whole process takes seconds.
Now for the details. WMA (Windows Media Audio) is Microsoft's audio codec — less common today but still found in legacy collections. IMA is a widely used file format. Converting between these two formats lets you convert between formats quickly.
Your WMA file is decoded and re-encoded as IMA. Converting WMA to IMA 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 WMA to IMA
- 1
1. Upload WMA
Drop your .wma file onto the page (or tap "Browse" on mobile). Add multiple files for batch conversion.
- 2
2. Select IMA
Choose .ima 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 .ima file is ready. Download it directly or get all files as a zip archive.
What Happens When You Convert WMA to IMA
Your WMA file is decoded and re-encoded as IMA.
Your WMA file is uploaded and validated
The file is decoded (parsed into its raw data)
The data is re-encoded in IMA format
The converted file is ready for download
Format Comparison
WMA
.wma file
| Extension | .wma |
| MIME Type | audio/x-ms-wma |
| Category | Audio |
IMA
.ima file
| Extension | .ima |
| MIME Type | audio/x-ima |
| Category | Audio |
Should You Convert WMA to IMA?
When to Convert
- ✓When you need a IMA file
Frequently Asked Questions
Is WMA to IMA conversion free?
Yes. CocoConvert offers free WMA to IMA 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 WMA to IMA conversion?
Most files convert in 2–10 seconds depending on size. Large audio files may take 30 seconds. Batch jobs process in parallel for maximum speed.
What happens to my files after conversion?
Your uploaded WMA file and the converted IMA file are both automatically deleted from our servers within 24 hours. They are never shared, sold, or analysed.
Does converting WMA to IMA lose quality?
Converting WMA to IMA maintains high quality with CocoConvert's optimised encoder settings.
Can I convert IMA back to WMA?
Yes, CocoConvert supports IMA to WMA conversion as well. However, if the original conversion involved lossy compression, converting back won't recover the lost data.
Versions are pinned in our worker Dockerfile and re-built via CI on every change.