FormatDrop
How-To Guide

How to Convert Video for TikTok

TikTok has specific video requirements and recompresses everything after upload. Getting your video right before uploading results in noticeably better quality in the final post — same principle as Instagram and YouTube. This guide covers TikTok's specs and how to prepare your video.

Open MOV to MP4 Converter

Step-by-step instructions

  1. 1

    Know TikTok's video specs

    Format: MP4 or MOV (H.264 recommended). Aspect ratio: 9:16 (vertical, 1080×1920) is primary; 1:1 (square) and 16:9 (landscape) also work. Maximum file size: 4GB (desktop upload), 287.6MB (mobile app). Resolution: up to 4K, but 1080×1920 is the standard. Frame rate: 24-60fps. Maximum length: 10 minutes for most users, 60 minutes for select creators.

    Go to converter
  2. 2

    Recommended settings for best quality

    H.264 MP4, 1080×1920 (9:16 vertical), 30 fps, 10-15 Mbps bitrate. AAC stereo audio at 192 kbps. This gives TikTok's encoder the best source material. TikTok re-encodes to approximately 3-5 Mbps internally — uploading at higher bitrates doesn't hurt but isn't retained.

  3. 3

    Convert with FFmpeg

    ffmpeg -i input.mp4 -c:v libx264 -b:v 12M -maxrate 12M -bufsize 24M -vf scale=1080:1920:force_original_aspect_ratio=decrease,pad=1080:1920:-1:-1 -c:a aac -b:a 192k output_tiktok.mp4. The 'scale+pad' filter resizes to 1080×1920 while maintaining aspect ratio and adding black bars if needed.

  4. 4

    Convert with HandBrake

    Open video in HandBrake. Under Dimensions: set width to 1080, height to 1920. Video: H.264, RF 22. Audio: AAC stereo 192 kbps. Container: MP4. Start Encode.

Why convert MOV to MP4?

TikTok, like all social platforms, recompresses every uploaded video. The quality of TikTok's output depends on the quality of the source. Uploading a high-bitrate 1080p H.264 MP4 gives TikTok's encoder the cleanest possible source for its own compression step. Common quality issues: uploading already-compressed video (which gets compressed twice), uploading in wrong aspect ratio (TikTok crops or adds empty space), and uploading at very low bitrates (quality is lost before TikTok's processing).

Your files never leave your device

FormatDrop runs the conversion engine entirely inside your browser using WebAssembly. No file upload. No server. Nothing stored. You can verify this by opening DevTools → Network tab and watching: zero upload requests.

Frequently asked questions

What is the best resolution for TikTok?
1080×1920 (9:16 vertical) is TikTok's recommended resolution. Uploading 4K is accepted but doesn't result in 4K delivery — TikTok serves at 1080p. Higher upload resolution gives TikTok's encoder a better source to work from. For horizontal (16:9) video: 1920×1080. For square: 1080×1080.
Why does my TikTok video look blurry?
TikTok aggressively compresses videos to ~3-5 Mbps for delivery. Sources of blur: (1) Uploading already-compressed video (compressed twice). (2) Low upload bitrate — upload at 10+ Mbps. (3) Wrong aspect ratio causing upscaling. (4) Uploading vertical video shot on iPhone in 'standard' quality — use 4K recording when possible. (5) Wi-Fi quality — slow upload speeds force TikTok to use your video before full upload completes.
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