Video compressor and MP4 converter
ReadyVideo compressor and MP4 converter. MP4, MOV, WebM or MKV; one file up to 20 MB, 120 seconds, 1080p-equivalent pixels and 60 fps.
All tools are free to use. File size and processing limits may vary by tool.
How to use
MP4, MOV, WebM or MKV; one file up to 20 MB, 120 seconds, 1080p-equivalent pixels and 60 fps. MP4 output is limited to 1280×720, 30 fps; size reduction is not guaranteed. Audio extraction needs an audio track. Downloads expire after 60 minutes.
Browser tools keep files on your device. Advanced document tools upload files for temporary server processing; the tool shows this before upload. Web lookups send queries to the server and public lookup services.
Video Compressor and MP4 Converter
Oversized videos fail on WhatsApp. This tool shrinks MP4, MOV, WebM and MKV files into compact MP4. Single files max 20 MB, 120 seconds, 1080p equivalent, 60 fps. Quality dips slightly, subtitles may not transfer. Links last 60 minutes.
Read the guide →Practical articles on this topic
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Video Tools Guide: Compression, Conversion, and Editing
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Related tools
Extract MP3 from video
Extract MP3 from video. MP4, MOV, WebM or MKV; one file up to 20 MB, 120 seconds, 1080p-equivalent pixels and 60 fps.
Trim video
Trim video. MP4, MOV, WebM or MKV; one file up to 20 MB, 120 seconds, 1080p-equivalent pixels and 60 fps.
Screen Recorder
Record your screen. Microphone and system audio toggle separately and the recording stays on your device. Nothing is uploaded to a server.
Audio Editor
Up to 8 files, 50 MB and 10 minutes. Set each clip’s start and end in seconds, reorder them, apply volume and fade in/out. Trim silence automatically against a threshold and see how much will be removed before rendering. Normalize the level to a −1, −3 or −6 dBFS peak target. Output is stereo 44.1 kHz WAV or 128 kbps MP3. Everything runs in your browser, so nothing is uploaded.
Video Thumbnail Creator
Choose a frame from your own video for a YouTube thumbnail, Instagram/Reels cover, TikTok image or Facebook post.
Vertical Video and Social Media Resizer
Prepare video in 9:16 for Reels, YouTube Shorts and TikTok, or 4:5/square for Instagram and Facebook posts.
Where can you use this on social media?
Use your uploaded video file to prepare a short section or MP4. Current limits are 20 MB and 120 seconds, even when the platform allows longer videos. This tool does not automatically reframe to 9:16, add subtitles or download social URLs. Compressed MP4 is limited to a 1280 × 720 bounding box and 30 fps. Check orientation, audio and detail before uploading to Reels, Shorts, TikTok or Facebook.
Sources checked:Official platform guidance