How to post a TikTok video on Instagram

TikTok videos are normally recorded in a vertical 9:16 frame, which fills a phone screen. Instagram Stories use that same tall shape, but the Instagram feed in 2019 accepted portrait posts only up to a 4:5 aspect ratio. Uploading a full TikTok clip directly to the feed could therefore crop the top and bottom. The solution is either to share it as a Story or place the entire video inside a 4:5 canvas before creating a feed post.

Save the video you are allowed to share

For your own TikTok, open the video, tap the share control and choose the option to save it to the device. Depending on the video's settings and app version, TikTok may also offer a direct Instagram share. Saving a local copy gives you more control over the framing and caption. If the save option is unavailable, check the original post's privacy and download settings rather than using a service that asks for account credentials.

Only repost another creator's clip with permission. Keep the TikTok watermark and visible username unless the creator supplies an original file, and credit the creator in the Instagram caption. Music licensed for use inside one platform is not automatically cleared for every use elsewhere, especially for a business or advertisement.

Resize a TikTok for the Instagram feed

  1. Open a video editor. Import the saved vertical clip into an editor that can change the output canvas without cutting the footage.
  2. Select a 4:5 canvas. A portrait frame such as 1080 by 1350 pixels uses the maximum vertical space available in the Instagram feed. A square 1:1 canvas also works but leaves more unused area.
  3. Fit rather than fill. Scale the 9:16 video down until its full height is visible. Empty space will appear at the left and right. Use a solid color, a subtle blurred copy of the footage or simple branding as the background.
  4. Keep important details clear. Check that captions, faces and the TikTok username remain readable. Avoid placing new text too close to the canvas edges.
  5. Export and review. Export as a widely supported MP4 file, watch the complete result and confirm that audio stays synchronized before uploading it to Instagram.

In Instagram, create a new feed post and select the resized file. Tap the aspect-ratio control if the preview initially appears square, then choose the portrait view. Add a caption and creator credit, select a cover frame and publish. The side padding is intentional: it preserves every part of the original tall recording.

Use Stories for a full-screen result

If a permanent feed post is not required, Instagram Stories are the simpler match. Start a Story, select the saved TikTok from the camera roll and preview it in the 9:16 frame. Very long uploads may be divided into segments according to Instagram's current limits. Add only enough stickers or text to avoid covering information already embedded in the video.

A direct share from TikTok can reduce the steps, but inspect the preview before posting. App interfaces and time limits change, while the underlying geometry remains predictable: TikTok's 9:16 video suits a full-screen Story, and a 4:5 canvas suits the 2019 Instagram feed. Choosing the destination first prevents accidental cropping and produces a post that looks deliberate rather than squeezed into the wrong frame.

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