Uploading and replacing videos
What you can upload
Any common video format works (MP4, MOV, WebM, MKV and more), and audio files too, up to 20 GB per file. Pellio converts every upload to adaptive streaming at up to 1080p, depending on the source, so viewers get the best quality their connection allows.
Click Upload video in the Library, or drop files anywhere on the page. With a folder open, uploads go into that folder.
Large files
Files over 32 MB upload in parallel chunks. If your connection drops, or you close the tab, open the Library again in the same browser and choose the same file: the upload continues from where it stopped instead of starting over.
If a video fails to process, its page shows the error and a Retry processing button.
Thumbnails
Pellio picks a thumbnail frame automatically. To change it, pause the player at the top of the video’s page on the frame you want, then click Use frame at … in the Thumbnail card. Or click Upload to use a JPEG, PNG or WebP image. Once you’ve set your own, Reset goes back to the automatic thumbnail.

The same card sets the preview clip: pause where you want it and click Preview clip from m:ss. It’s a 4-second silent loop used for the hover preview in the Library and, if your player preset turns it on, as an animated thumbnail.
Replacing a video
To fix a typo or swap in a new cut, click Replace video in the File card. The link, embeds, settings, captions and analytics all stay the same, and viewers see the new version once it has processed. Original downloads the file you uploaded.
To cut the start, the end or sections from the middle without re-uploading, use the Trim tab. See Trimming and chapters.
Organising the library

- Search and sort: search video titles, and sort by Newest first, Oldest first, Title or Longest.
- Folders: create one with the folder button next to Folders in the sidebar. A folder’s options (…) let you Rename it, give its videos a Player preset…, Share folder… with restricted teammates (see Teams and roles), or Delete folder (its videos move to Unfiled). Unfiled shows videos that aren’t in a folder.
- A video’s folder, tags and preset: in the Organize card on its page. Type tags separated by commas and click Save.
- Bulk actions: tick videos in the Library, then Move to…, Privacy…, Add tags or Move to Trash.
- Trash: videos in Trash stop playing immediately and are deleted for good after 30 days. In Trash, Restore brings them back, and Delete forever deletes them now.
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Related articles
- Importing videosBring in a single video from a URL, or your whole Vimeo or Wistia library.
- Recording your screen and cameraRecord a walkthrough in the browser, with a camera bubble and a teleprompter, straight into your library.
- Trimming and chaptersCut the start, the end or sections from the middle, and split a video into chapters.
- Replace a video without changing its embedsUpload a new file for a video you’ve already shared. Every embed and link keeps working, and viewers switch to the new version when it’s ready.