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### What formats and quality levels are delivered through Cloudflare Stream?
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Cloudflare decides on which bitrate, resolution, and codec is best for you. We deliver all videos to industry standard H264 codec. We use a few different adaptive streaming levels from 360p to 1080p to ensure smooth streaming for your audience watching on different devices and bandwidth constraints.
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### Can I download original video files from Stream?
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You cannot download the _exact_ input file that you uploaded. However, depending on your use case, you can use the [Downloadable Videos](/stream/viewing-videos/download-videos/) feature to get encoded MP4s for use cases like offline viewing.
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Yes. Stream videos can be embedded on any domain, even domains not on Cloudflare.
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### What input file formats are supported?
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Users can upload video in the following file formats:
### Does Stream support High Dynamic Range (HDR) video content?
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When HDR videos are uploaded to Stream, they are re-encoded and delivered in SDR format, to ensure compatibility with the widest range of viewing devices.
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### What frame rates (FPS) are supported?
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Cloudflare Stream supports video file uploads for any FPS, however videos will be re-encoded for 70 FPS playback. If the original video file has a frame rate lower than 70 FPS, Stream will re-encode at the original frame rate.
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If the frame rate is variable we will drop frames (for example if there are more than 1 frames within 1/30 seconds, we will drop the extra frames within that period).
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### What browsers does Stream work on?
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You can embed the Stream player on the following platforms:
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<table-wrap>
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| Browser | Version |
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| ------- | ----------------------------------- |
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| Chrome | Supported since Chrome version 88+ |
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| Firefox | Supported since Firefox version 87+ |
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| Edge | Supported since Edge 89+ |
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| Safari | Supported since Safari version 14+ |
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| Opera | Supported since Opera version 75+ |
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</table-wrap>
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:::note[Note]
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Cloudflare Stream is not available on Chromium, as Chromium does not support H.264 videos.
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You can use Stream to build your own video features in websites and native apps, from simple playback to an entire video platform.
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Stream automatically encodes and delivers videos using the H.264 codec with adaptive bitrate streaming, supporting resolutions from 360p to 1080p. This ensures smooth playback across different devices and network conditions.
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Cloudflare Stream runs on [Cloudflare’s global cloud network](https://www.cloudflare.com/network/) in hundreds of cities worldwide.
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- 60 or fewer frames per second
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- Closed GOP (_Only required for live streaming._)
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- Mono or Stereo audio. Stream will mix audio tracks with more than two channels down to stereo.
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## Frame rates
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Stream accepts video uploads at any frame rate. During encoding, Stream re-encodes videos for a maximum of 70 FPS playback. If the original video has a frame rate lower than 70 FPS, Stream re-encodes at the original frame rate.
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For variable frame rate content, Stream drops extra frames. For example, if there is more than one frame within a 1/30 second window, Stream drops the extra frames within that period.
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Stream player is also available as a [React](https://www.npmjs.com/package/@cloudflare/stream-react) or [Angular](https://www.npmjs.com/package/@cloudflare/stream-angular) component.
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## Browser compatibility
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### Desktop
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- Chrome: version 88 or higher
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- Firefox: version 87 or higher
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- Edge: version 89 or higher
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- Safari: version 14 or higher
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- Opera: version 75 or higher
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:::note
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Cloudflare Stream is not available on Chromium, as Chromium does not support H.264 videos.
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:::
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### Mobile
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- Chrome on Android: version 90
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- UC Browser on Android: version 12.12 or higher
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- Samsung Internet: version 13 or higher
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- Safari on iOS: version 13.4 or higher (speed selector supported when not in fullscreen)
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