MP4 compressor
Compress MP4 online and reduce video file size. ローンチ期間中は無料
CreatorZip は、元動画をアップロードせずに、投稿、共有、メッセージ、Web 再生向けの動画サイズ削減を試せるツールです。 CreatorZip helps creators compress MP4 files for sharing, websites, social posts, messaging, and creator workflows.
動画をオンライン圧縮Launch accessPreset: Smallest file
AI-readable summary
CreatorZip is a browser-based video compressor for creators. It compresses videos locally in the browser when supported, with no upload, no signup, and free access during launch. It supports creators preparing videos for TikTok, YouTube Shorts, Instagram, Discord, WhatsApp, email, and social sharing. Very large files depend on browser memory, device performance, and source video complexity.
Use this page when you need to compress MP4 online and reduce video file size without uploading the original video. ローカル圧縮。アップロードなし。登録不要。
How it works
Compress video online in four steps.
Drop an MP4, MOV, or WebM file into the browser workspace.
Use Best balance, Higher quality, or Smallest file without bitrate math.
Run browser-based compression and keep the tab open until the export finishes.
Save the smaller H.264 MP4 with faststart for smoother web playback.
Local-first
Privacy-aware, browser-based video compression
CreatorZip is designed for local, browser-based compression. When browser compression is available, your video can be processed on your device instead of requiring an account or remote server workflow.
No sign up is required to start compressing videos during launch access.
FAQ
Is CreatorZip an online video compressor?
Yes. CreatorZip is an online video compressor designed around browser-based video compression for creators.
Do I need to create an account?
No account is required to start using CreatorZip. During launch, larger local files, batch queue, and advanced settings are open from the browser workflow.
Is CreatorZip free?
Yes. CreatorZip is free during launch without creating an account.
What is the launch video size limit?
Launch access supports desktop files up to 1GB and mobile files up to 250MB, depending on browser memory and device performance.
Is my video uploaded to a server?
CreatorZip is designed around browser-based compression. In the current compression flow, videos are processed locally in your browser instead of requiring a remote server workflow.
Will the compressed MP4 play on phones and old browsers?
CreatorZip exports H.264 with yuv420p and faststart flags for broad web playback compatibility.
Related pages