Formats and quality levels
We only list formats the tool really produces. Each page gives the container, codecs, typical bitrates and file sizes, and the limits we know about.
Download only content you own or have permission to use. Public posts only; we store no videos. Responsible use
TwitterDownloaderX never re-encodes video. The MP4 buttons are the renditions X already created for the post, so the quality you can get is decided by the upload, not by us. The two exceptions are MP3, which your browser converts from the video's AAC audio, and live replays, which we stitch from HLS segments into a single MP4 without re-encoding.
Picking a quality is mostly about where the clip is going. For editing or a TV, take the highest rendition the post has; for a phone screen or a chat app, 720p is usually indistinguishable and about a fifth of the size of 1080p; on mobile data or for email, the 360p and 240p files cost a few megabytes per minute. Each sheet below has a size-per-minute table so you can decide before you download, plus the honest caveats: no upscaling, no fake 4K, and a 600 MB ceiling per file through our proxy. Audio-only exports are covered too, with the bitrate trade-offs explained in plain numbers rather than marketing labels. Every number on these sheets was measured on real downloads, not copied from a spec page.
For GIF posts, see the GIF downloader and saving a GIF as a real .gif; for still images, original photo quality.
- X videos as MP4: what's inside the fileWhat the MP4 you download from X actually contains: H.264 video, AAC audio, the bitrate ladder X publishes, how files are named, and why nothing is re-encoded.
- X video to MP3: how the conversion worksHow TwitterDownloaderX turns an X video into MP3: 128 kbps CBR encoded on your device with WebCodecs and LAME, the source rendition it uses, and the size and browser limits.
- 1080p X videos: when you can get Full HDWhen X keeps a 1080p rendition, what its bitrate and file size look like, why many posts stop at 720p, and how to make sure you download the Full HD file.
- 720p X videos: the practical sweet spot720p is the top quality for many X posts and the best balance for phones and sharing: ≈2.2 Mbit/s and ≈16 MB per minute. When to choose it over 1080p.
- Small X video files: 360p, 270p and SDNeed a tiny file for a chat, email or slow connection? X's 360p (≈6 MB/min) and 270p (≈2 MB/min) renditions, how we label them, and when they're worth it.
- Vertical (9:16) X videosPortrait X videos come as 720×1280 or 1080×1920 renditions. How we label them, how they play on phones and desktops, and how to keep them vertical when sharing.
- Live replays: from HLS (m3u8) to a single MP4X broadcasts are delivered as HLS playlists (.m3u8). How TwitterDownloaderX turns a finished replay into one MP4 by remuxing the segments, and what that means for size and time.
- X photos at original sizeHow to save X photos at original size instead of the compressed timeline preview: the name=orig request, JPG vs PNG, multi-photo posts and the size ceiling X applies.
- 4K X videos: what's actually possibleAn honest answer to 4K X downloads: X normally publishes video up to 1080p. What our code would do with a 2160p rendition, why 4K downloaders can't deliver more, and 4K photos.