Prompt Minds offers 14 free video tools for creators, students, teachers and anyone who needs to make a quick change to a video. Compress a large phone video so it fits WhatsApp or email limits, trim a clip to the exact seconds you need, remove the sound, pull the audio out as an MP3, turn a moment into a GIF, or record your screen for a tutorial. Every tool processes the video inside your browser using modern WebCodecs technology, so your files are never uploaded to our servers and there is no watermark on the result.
What you can do with these video tools
- Make videos smaller: reduce file size by lowering the resolution (1080p, 720p, 480p, 360p) and quality, or aim for a target size in MB.
- Cut and clean up: trim the start and end of a clip and remove the audio track without re-encoding the picture.
- Convert: extract the soundtrack of an MP4, MOV or WebM video as an MP3 or original-quality M4A, and turn short clips into animated GIFs.
- Change format: MP4, MKV and WebM to QuickTime MOV (copied losslessly when the codecs allow), MP4 to WebM (VP9 + Opus), and animated GIFs to MP4, WebM or MOV with their original timing.
- Record: capture your screen, a window or a browser tab with system audio and microphone, then download the recording.
- YouTube: view and save any video or Shorts thumbnail in HD, SD and smaller sizes.
Why browser-based video tools?
Uploading a 500 MB video to an online converter takes a long time on mobile data and hands a copy of your private footage to someone else's server. These tools read the file directly from your device, process it with your computer's or phone's own video hardware where available, and save the result straight back to your downloads. Processing speed depends on your device and the length of the video; a modern laptop handles most phone clips in seconds to a few minutes. Each tool page explains its limits honestly, including browser support, so you know what to expect before you start.
Popular video tasks
Video too big to send on WhatsApp or email? Use the Video Compressor at 720p. Need only the song or speech from a video? MP4 to MP3 extracts it in seconds. Making a reaction or tutorial snippet? Trim the clip, then convert the best part to a GIF. Recording a lesson or bug report? The Screen Recorder works in desktop browsers with no extension to install.
Frequently Asked Questions
Are these video tools free?
Yes. All video tools on Prompt Minds are free, with no sign-up, no watermark and no daily limit.
Are my videos uploaded to a server?
No. Videos are processed inside your browser and saved directly to your device. Only the open-source processing libraries are downloaded from a CDN when you first use a tool.
Which browsers are supported?
The tools work best in current Chrome and Edge on desktop and Android. Safari and Firefox support most features; the Screen Recorder needs a desktop browser because mobile browsers do not allow screen capture.
Is there a file size limit?
The tools accept large files, but processing happens on your device, so very long or high-resolution videos take longer and need more memory. Each tool page lists its practical limits.
Will compressing or trimming reduce quality?
Trimming and muting usually copy the original video data without re-encoding. Compressing re-encodes the video at a lower bitrate or resolution, which is how the file gets smaller; the quality presets let you choose the balance.
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