Manifest Viewer (DASH/HLS) by Bal Solutions
Viewer for DASH (.mpd) and HLS (.m3u8) manifests with syntax highlighting.
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About this extension
Inspect and troubleshoot HLS and MPEG-DASH manifests without leaving Firefox. Get formatted, syntax-highlighted views, clickable playlists with resolved relative paths, optional custom headers, and one-click copy. Auto-open on .m3u8/.mpd URLs, use a dark developer interface, and analyze MP4 atom structure. Built-in media compatibility checks and page manifest detection help media engineers, QA, and streaming teams work faster.
Features:
- Syntax-highlighted, formatted views for HLS (.m3u8) and MPEG-DASH (.mpd)
- Clickable playlist URIs with automatic relative path resolution
- Optional custom request headers for authenticated or special endpoints
- One-click copy of manifest contents as plain text
- Auto-open when visiting .m3u8 or .mpd URLs (optional toggle)
- Dark, developer-focused interface for comfortable reading
- MP4 atom/box structure inspection
- Browser media compatibility checker (codec/DRM support)
Features:
- Syntax-highlighted, formatted views for HLS (.m3u8) and MPEG-DASH (.mpd)
- Clickable playlist URIs with automatic relative path resolution
- Optional custom request headers for authenticated or special endpoints
- One-click copy of manifest contents as plain text
- Auto-open when visiting .m3u8 or .mpd URLs (optional toggle)
- Dark, developer-focused interface for comfortable reading
- MP4 atom/box structure inspection
- Browser media compatibility checker (codec/DRM support)
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Permissions and data
Required permissions:
- Block content on any page
- Download files and read and modify the browser’s download history
- Access browser tabs
- Access browser activity during navigation
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Version
- 1.3.3
- Size
- 255.1 KB
- Last updated
- 11 days ago (Dec 5, 2025)
- Related Categories
- License
- Apache License 2.0
- Version History
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