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Video Compressor
Shrinks a video so it fits an email or a WhatsApp limit, re-encoding with H.264 in your…
23 tools · free · no account
Video & Audio Tools
Video work normally means uploading your file to somebody else and waiting. These tools do not: FFmpeg is compiled to WebAssembly and runs inside this tab, on your own machine. That means no upload wait, no file size cap set by us, no watermark, and nothing left behind on a server afterwards. The engine is about 31 MB and downloads once, the first time you use any of these tools.
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Video Converter
Converts between MP4, WebM, MKV, MOV and AVI in your browser, so an unplayable file becomes…
003
popular
Video Trimmer
Cuts a section out of a video by start and end time, copying the streams so there is no…
004
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Video to GIF Converter
Turns a section of video into an animated GIF with a proper generated palette, so colours stay…
005
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Video to MP3 Converter
Extracts the audio track from a video and saves it as MP3, WAV or M4A. The video never leaves…
006
Remove Audio from Video
Strips the sound from a video and copies the picture untouched, so there is no quality loss…
007
Video Speed Changer
Speeds a video up or slows it down, keeping the audio in sync and at the correct pitch rather…
008
Video Resizer
Scales a video to 480p, 720p, 1080p or any height you choose, keeping the aspect ratio exactly.
009
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Crop Video for Reels and Shorts
Crops a landscape video to 9:16, 1:1 or 4:5 from the centre, so it fills the frame on Reels…
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Extract Frame from Video
Grabs a single frame from any point in a video and saves it as a PNG — useful for thumbnails…
011
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Audio Converter
Converts between MP3, WAV, M4A, OGG and FLAC in your browser, with no upload and no account.
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Audio Trimmer
Cuts a section from an audio file by start and end time, copying the stream so nothing is…
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Audio Speed Changer
Speeds up or slows down audio without changing its pitch, so a lecture at 1.5× still sounds…
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Convert Audio to MP4
Wraps an audio file in an MP4 container so it can be uploaded to platforms that only accept…
015
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Screen Recorder
Records your screen, a window or a browser tab straight to a file, with no extension, no…
016
Webcam Recorder
Records video from your camera and microphone to a file you download. Nothing is streamed or…
017
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Voice Recorder
Records audio from your microphone with a live level meter, then hands you the file. No…
018
BPM Detector
Analyses an audio file and detects its tempo by autocorrelating the onset energy, with the…
019
Audio Waveform Image Generator
Draws an audio file as a waveform PNG using min and max per column, the way an audio editor…
020
Stereo Width Meter
Measures the correlation between the left and right channels and shows how much level is lost…
021
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LUFS Loudness Meter
Measures integrated loudness to ITU-R BS.1770 with K-weighting and full gating, and compares…
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Audio Silence Trimmer
Finds the silence at the start and end of an audio file and trims it, keeping a little padding…
023
Audio File Inspector
Reports an audio file's sample rate, channels, length, per-channel peak and RMS, and whether…
About these video & audio tools
Video work normally means uploading your file to somebody else and waiting. These tools do not: FFmpeg is compiled to WebAssembly and runs inside this tab, on your own machine. That means no upload wait, no file size cap set by us, no watermark, and nothing left behind on a server afterwards. The engine is about 31 MB and downloads once, the first time you use any of these tools.
All 23 tools here are free and open immediately — there is no registration step, no credit card and no daily allowance to run out of. Most of them do their work in your browser, which means the page keeps working on a slow connection and your input is never sent to a server.