Free Online Video Player
Play any video file directly in your browser. No download, no upload, no installation required.
Need playlists, subtitles, local files or cloud? Open the full player →
Why Choose OnlinePlayer?
40+ Formats Supported
Play MKV, FLV, AVI, HEVC, WebM, MP4, MOV, WMV and more — even formats browsers don't natively support, thanks to built-in FFmpeg transcoding.
Playlist Management
Add multiple files at once, reorder tracks, and enjoy continuous playback. No need to select files one by one.
100% Private & Secure
Your files never leave your device. All processing happens locally in your browser. Zero data collection, zero uploads.
Cloud Storage Playback
Stream videos directly from Google Drive, Dropbox, and OneDrive without downloading them first.
Advanced Subtitle Support
Load SRT, ASS, and WebVTT subtitle files. Enjoy synchronized subtitles with full styling support.
Keyboard Shortcuts
Space to play/pause, arrow keys to seek, M to mute, F for fullscreen — just like a native desktop player.
OnlinePlayer vs Native Browser
| Feature | OnlinePlayer | Native Browser |
|---|---|---|
| Multiple file formats (MKV, FLV, AVI) | ✅ | ❌ |
| Playlist support | ✅ | ❌ |
| Cloud storage playback | ✅ | ❌ |
| Subtitle support (SRT/ASS/VTT) | ✅ | VTT only |
| FFmpeg transcoding | ✅ | ❌ |
| Keyboard shortcuts | ✅ | Limited |
| No file upload needed | ✅ | ✅ |
| Privacy protection | ✅ | ✅ |
Supported Video Formats
OnlinePlayer supports virtually every video format thanks to built-in FFmpeg WebAssembly transcoding:
Common
MP4, WebM, OGG, MOV
Professional
MKV, AVI, WMV, FLV, TS, M2TS
Advanced
HEVC (H.265), AV1, VP9, H.264
Legacy
3GP, ASF, RMVB, MPEG
How to Play Videos Online
Open OnlinePlayer
Visit onlineplayer.app in any modern browser — Chrome, Firefox, Safari, or Edge.
Add Your Files
Drag and drop your video files, or click to browse. You can add multiple files at once.
Enjoy Playback
Your videos play instantly with full controls — seek, volume, subtitles, fullscreen, and more.
Frequently Asked Questions
Is OnlinePlayer really free?
Yes, OnlinePlayer is completely free to use with no ads, no sign-up required, and no hidden fees.
Are my videos uploaded to a server?
No. Your video files never leave your device. All processing happens locally in your browser using WebAssembly technology.
What video formats are supported?
OnlinePlayer supports 40+ formats including MP4, MKV, AVI, FLV, WebM, MOV, WMV, HEVC, and more. Unsupported formats are automatically transcoded using built-in FFmpeg.
Can I create a playlist?
Yes! You can add multiple video files and they will play in sequence. You can also reorder, remove, or add tracks at any time.
Does it work on mobile?
Yes, OnlinePlayer works on any device with a modern browser, including smartphones and tablets.