Downloaded files are always stored as .bin instead of preserving the original extension
Nobody has claimed this yet.
Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 45/100
- Issue type
- Bug
- Clarity
- Mostly clear
- Activity status
- Stale
- Tech stack
- dart, flutter
- Domain
- mobile-dev
Research direction
Start at the CacheManager.downloadFile() entry point and trace how downloaded cache filenames are generated. Verify the behavior with media URLs such as .mp4 and .jpg, then confirm that cached files preserve the original extension instead of always using .bin.
Written by the indexing model from the issue text.
Description
Plugin: flutter_cache_manager
Version: ^3.4.1
When downloading media files (e.g., .mp4, .jpg, etc.) using CacheManager.downloadFile(), the cached file is always stored with a .bin extension, regardless of the original URL's file extension.
This creates confusion when trying to:
Use file types based on extension (e.g., previewing .mp4 in a video player)
Debug or manage cache files
Persist/restore with accurate file type outside the cache manager
- Dominant language
- Dart
- Stars
- 810
- Forks
- 510
- Avg merge
- 2d 2h
- Merged PRs (30d)
- 11
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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