Cropping & sizing

Why is TikTok cropping my video? Size, zoom, safe area and length

Updated 4 fixes2 sources

Short answer

TikTok's player is 9:16. Anything else is fitted into that frame: a square, 4:5 or landscape clip is either zoomed to fill it (cutting the edges) or shown with bars, and on phones taller than 9:16 the app can also trim the sides of a full 9:16 video. Text near the edges is often not cropped at all but hidden behind the caption, buttons and progress bar. Export 1080×1920 with your subject and text inside the safe area below.

Key takeaways

  • TikTok's player is 9:16. A 1080 × 1920 upload has nothing to fill; square, 4:5 and landscape videos are placed with bars or scaled up, which cuts the edges.
  • On phones taller than 9:16, a full-screen 9:16 video can lose a few percent of its width on each side; the table below computes it per phone.
  • Most "cropped" text is not cut at all but covered by the caption, buttons and progress bar. Keep it inside the safe area: 12.5% from the top, 34.4% from the bottom.
  • "TikTok is cutting my video short" is a length limit, not a crop: all creators can post 3-minute videos, and some have 5 or 10 minutes (TikTok for Developers).
  • TikTok's upload limits: 360 to 4096 px on each side, 23 to 60 fps, MP4 (recommended), WebM or MOV, H.264 recommended, up to 4 GB.

Is TikTok cropping the picture or cutting the length?

People use "cropping" for two different problems. If parts of the picture are missing, it is the frame: the shape of your video does not match the screen, or the interface covers it. If the video ends early or the editor trims it, it is the duration limit for your account. The fixes have nothing in common, so check which one you have first.

What TikTok does with each video shape

TikTok shows posts in a vertical player, and your video has to be fitted into it. What gets lost depends on the shape you upload. The pixel figures below are computed for a 1080 × 1920 frame.

Your videoExample sizeFitted into 9:16 without zoomIf scaled to fill the screen
9:16 vertical1080 × 1920Fills the frame exactlyNothing to crop (taller phones: see the table below)
4:5 portrait1080 × 1350Bars of 285 px above and belowAbout 15% cut from each side
1:1 square1080 × 1080Bars of 420 px above and belowAbout 22% cut from each side
16:9 landscape1920 × 1080Picture only 608 px tallAbout 34% cut from each side

Whether TikTok shows bars or fills the screen depends on the app version and on how you placed the clip in the editor, so decide the framing yourself before upload: crop to the subject, or put the clip on a 9:16 canvas with a blurred background.

Free tool:Crop a video to 9:16

Find your case

What you seeWhat it usually meansDo this
Square or 4:5 video looks zoomed inIt was scaled up to fill the 9:16 frameExport 9:16 yourself with the framing you want (step 1)
Exactly 9:16, but the sides are cut on some phonesTaller screens fill the height and trim the widthKeep text away from the side edges (step 2 and the table)
Text at the bottom or right is unreadableCaption, sound bar and buttons sit on top of the videoMove text into the safe area (step 3)
Photo post text cut off at top and bottomPhoto posts are fitted to the viewer's screen the same wayLeave margins inside a 9:16 canvas (step 3)
"Cropped" means the video is cut shortThat is a duration limit, not a cropCheck the length (step 4)
Video stops before the end, or the editor trims itOver your account's length limitShorten it or check your limit (step 4)

Fix it step by step

  1. Export 9:16 before you upload

    If you give TikTok a 1080×1920 file, there is nothing for it to fill. For a square or landscape source, decide the framing yourself: crop to the subject, or place it on a 9:16 canvas with bars or a blurred background.

    Crop to 9:16 →

  2. Allow for taller phones

    Most current phones are taller than 9:16. If the app fills the full screen height, a 9:16 video loses a strip on each side; the table below shows how much. Keep text and faces out of those strips.

  3. Keep text inside the safe area

    TikTok's own ad-placement overlay files mark where the interface covers the video. Organic posts use a very similar layout, but TikTok publishes the measurements only for ads.

    Source: TikTok Ads Help: Auction In-Feed Ads (safe-area overlay files) · TikTok safe-zone overlay →

  4. If the video is cut short, check its length

    A clip over the limit for your account is trimmed or rejected; that is not cropping.

    TikTok video length checker →

Safe area for a 1080×1920 video

EdgeKeep text out ofPixels
Top12.5%240 px
Bottom34.4%660 px
Left11.1%120 px
Right11.1%120 px
Button columnx 72-89%, y 44-66%780-960 × 840-1260 px

Official guidance. Source: TikTok Auction In-Feed Ads: Safe zone files (TikTok Ads Help), checked 2026-10-03. Published for TikTok In-Feed ads. Organic posts can differ, and the right-hand button column (shaded) is excluded as well.

How much a full-screen 9:16 video loses on tall phones

Computed, not published by the platform: if the app scales a 9:16 video to fill the whole screen height, this much of the width is cut from each side.

PhoneScreenCut per sideOf a 1080 px frame
iPhone 15 / 161179×25569.0%97 px
iPhone 15 Pro Max1290×27969.0%97 px
iPhone 16 Pro Max1320×28689.1%98 px
iPhone SE (3rd gen)750×1334none0 px
Samsung Galaxy S241080×23409.0%97 px
Google Pixel 81080×240010.0%108 px

Crop or pad a video to 9:16 with FFmpeg

If you prefer the command line, these produce a 1080 × 1920 file that TikTok has no reason to reframe.

  • Crop the center of a landscape clip: ffmpeg -i in.mp4 -vf "crop=trunc(ih*9/32)*2:ih,scale=1080:1920" -c:a copy out.mp4
  • Keep the whole picture with black bars: ffmpeg -i in.mp4 -vf "scale=1080:-2,pad=1080:1920:(ow-iw)/2:(oh-ih)/2" -c:a copy out.mp4
  • Keep the whole picture over a blurred copy: ffmpeg -i in.mp4 -filter_complex "[0:v]scale=1080:1920:force_original_aspect_ratio=increase,crop=1080:1920,boxblur=20[bg];[0:v]scale=1080:-2[fg];[bg][fg]overlay=(W-w)/2:(H-h)/2" -c:a copy out.mp4

Center cropping a 16:9 clip keeps only the middle 32% of the width, so check that the subject is there before posting.

When TikTok cuts your video short

TikTok's developer documentation states that all creators can post 3-minute videos, while some have access to 5-minute or 10-minute videos. Apps that post for you can send up to 10 minutes, and TikTok may ask you to trim inside the app to fit your account's own maximum. If the editor trims your video or refuses it, the limit for your account is shorter than the clip.

Shorten the video yourself so you choose what is cut, or split it into parts. The frame size has nothing to do with this limit.

Free tools:TikTok video length checkerTrim a video for TikTok

Export settings that avoid cropping on TikTok

SettingUseWhy
Frame1080 × 1920 (9:16)Matches the player, nothing to fit
Text and facesInside the safe area12.5% top, 34.4% bottom, 11.1% left, 11.1% right are covered
Frame rate23 to 60 fpsTikTok's documented range
Container and codecMP4, H.264, AACTikTok's recommended format and codec
Size limits360 to 4096 px per side, up to 4 GBLarger files are rejected, not cropped

Frequently asked questions

What size should a TikTok video be so it doesn't get cropped?

1080×1920 (9:16), with text and faces inside the safe area: below the top 12.5% (240 px), above the bottom 34.4% (660 px), 11.1% (120 px) from the left and 11.1% (120 px) from the right, clear of the button column.

Why does TikTok crop my picture?

Photo posts are fitted to the viewer's screen, so a photo that is not the screen's shape is trimmed or zoomed. Use a 9:16 canvas and keep text well inside the edges.

Why are some TikTok videos stretched?

A video with a wrong display aspect ratio flag, or one scaled in an editor without locking the ratio, plays stretched everywhere. Re-export with the original ratio locked.

Why is TikTok cutting my video short?

Your video is longer than your account's limit. All creators can post 3-minute videos and some have 5 or 10 minutes. Trim the clip yourself so you choose what is cut.

Why is TikTok cropping my 9:16 video?

On phones taller than 9:16 the app can scale the video to fill the screen height, which trims a little from each side, and the caption and buttons cover the bottom and right edges. Keep text inside the safe area.

Why are TikTok videos zoomed in?

A square, 4:5 or landscape clip scaled to fill the vertical screen is enlarged until there are no bars, which crops its edges. Export 9:16 with your own framing.

Can you crop a video before posting to TikTok?

Yes, and it is the reliable way to control framing: crop or pad the clip to 1080 × 1920 in your editor or a free browser tool, then upload. TikTok then has nothing left to fit.

What resolution does TikTok accept?

TikTok's developer documentation allows 360 to 4096 px for both width and height, 23 to 60 fps, MP4, WebM or MOV, up to 4 GB. Use 1080 × 1920 for a full-screen post.

Sources

Reviewed 2026-10-06. Steps not attributed to a source are general video practice or computed above.