Watch Videos With Subtitles Locally
Load an SRT or VTT subtitle file alongside any video URL and watch with perfectly synced captions — entirely in your browser with zero file uploads.
SRT & VTT Support
Drag and drop your .srt or .vtt subtitle file to overlay captions on any streaming video instantly.
Sync Adjustment
Subtitle out of sync? Nudge the timing forward or backward in real time without re-editing the file.
Multi-Language
Load multiple subtitle tracks and switch between languages during playback — like native video players.
Style Customization
Change font size, background opacity, and text color to make subtitles comfortable on any screen.
No Upload, Ever
Your subtitle files and video URLs never leave your device. Everything is processed locally in the browser.
Accessibility First
Make any video accessible by adding subtitles. Perfect for hearing impaired users or non-native speakers.
How It Works
Paste Your Video URL
Enter the direct link to your video — MP4, WebM, or any HLS/M3U8 stream — into FluxPlays.
Load Your Subtitle File
Click 'Add Subtitles' and select your .srt or .vtt file from your device. Subtitles are read locally by your browser.
Watch With Captions
Subtitles appear in sync with the video. Adjust timing offset or style from the subtitle settings panel.
Frequently Asked Questions
Learn more about streaming.
