Get 100 free creditsTikTok Video Resizer
TikTok plays everything full-screen vertical. Upload a 16:9 cut and it floats between black bars, instantly reading as recycled content. The TikTok video resizer crops your landscape or square footage to 9:16, letting you position the crop window so the subject — not the empty half of the frame — fills the phone screen.
Resizing is only half the job, though: TikTok lays its own interface over your video, and a technically perfect 9:16 crop can still hide your punchline behind the like button. The tool treats the safe zone as part of the format, not an afterthought.
Processing runs on this page — don't leave while it's running, or the task is cancelled.
TikTok safe zones: where the UI covers your video
TikTok renders its interface directly on top of the video, and the covered regions are predictable. Compose for them and your vertical cut looks native; ignore them and viewers watch your captions disappear under buttons.
From 16:9 to 9:16 without losing the subject
A 9:16 window over a 16:9 frame keeps roughly the middle third of the picture, so blind center-cropping fails whenever the action sits off-center — interviews framed to one side, gameplay HUDs in corners, two-person shots. Positioning the crop per clip is what separates a deliberate vertical edit from an automated repost. After cropping, the same workspace handles subtitles, voiceover and a matching vertical cover, so the TikTok version ships as a finished edit rather than a squeezed copy.
How to use the Recapo tiktok video resizer
Three steps, fully in the cloud — nothing to install.
Step 1: Import the landscape cut
Upload your 16:9 or square video, or pull it in from a link. This is typically the master you already published elsewhere.
Step 2: Position the 9:16 crop
Slide the vertical crop window across the frame so faces and key action stay centered — what falls outside the window is trimmed away.
Step 3: Caption it and export
Generate subtitles, keep them inside the safe area, burn them in if you want them locked, and export the vertical cut for upload.
Frequently asked questions about the tiktok video resizer
What aspect ratio does TikTok use?
9:16 vertical, displayed full-screen — 1080×1920 is the common target. Other ratios upload fine but get letterboxed, which costs screen area and makes the post look repurposed.
Where should subtitles sit so TikTok's buttons don't cover them?
Keep them in the central band of the frame, clearly above the bottom caption area and off the right icon rail. Centered captions in the lower-middle third — but not the very bottom — are the safest default.
Can I reuse the same 9:16 cut for Shorts and Reels?
Mostly yes — all three are 9:16. The UI overlays differ slightly per platform, so check the cover and caption placement; the Reels resizer covers Instagram's quirks, including the grid-cropped cover.
Will resizing crop parts of my video out of frame?
It depends on the fit you pick. Crop to fill keeps the frame edge to edge but trims the sides of wider footage, while padding keeps the entire original frame and adds bars to reach 9:16. You choose which trade-off fits the clip.
Can I resize a landscape recap that was filmed in 16:9?
Yes. Reframing 16:9 landscape into 9:16 vertical is the main job of this tool, so a horizontal movie-recap or commentary clip can be turned into a TikTok-ready portrait file.
Ready to try TikTok Video Resizer?
Crop landscape video to 9:16 for TikTok and keep subject and subtitles clear of the UI overlay. Frame the safe zone, add captions, export full-screen vertical.
Use it free