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Compress and convert video locally where supported — practical browser workflows for smaller files.
Video tools on Tentaco trim, compress, convert and inspect clips with WebAssembly (ffmpeg.wasm) so media stays on your device.
Start with a focused job like compress or trim, or open Video Studio for a fuller editing workspace. Pair with audio tools when you only need soundtrack changes.
Open the video tools hub and pick compress, trim, convert, extract audio or GIF.
Drop your video file into the selected tool.
Set quality or range options, then export the result.
Open Video Studio when you need a fuller multi-mode editor.
Audio Studio online — free in your browser
Convert, trim and extract audio — processed locally with FFmpeg. Use Tentaco Audio Studio to process the file in your browser and download the result — no account.
BPM Detector — song tempo online
Estimate song tempo from an audio file in your browser. Use Tentaco BPM Detector to process the file in your browser and download the result — no account.
Burn Subtitles online — free
Burn SRT subtitles into video (FFmpeg). Use Tentaco Burn Subtitles to process the file in your browser and download the result — no account.
Extract Frames online — free
Export video frames as images. Use Tentaco Extract Frames to process the file in your browser and download the result — no account.
GIF Optimizer online — free in your browser
Optimize GIF file size with FFmpeg. Use Tentaco GIF Optimizer to process the file in your browser and download the result — no account.
Images to Video online — free
Create a video slideshow from images. Use Tentaco Images to Video to process the file in your browser and download the result — no account.
MP3 Normalize online — free in your browser
Normalize audio loudness to target LUFS. Use Tentaco MP3 Normalize to process the file in your browser and download the result — no account.
Music Key Detector — estimate song key
Rough musical key estimate from chroma analysis. Use Tentaco Music Key Detector to process the file in your browser and download the result — no account.
SRT Shift online — free in your browser
Offset all subtitle timings by milliseconds. Use Tentaco SRT Shift to process the file in your browser and download the result — no account.
SRT to VTT online — free in your browser
Convert SubRip SRT to WebVTT. Use Tentaco SRT to VTT to process the file in your browser and download the result — no account.
Subtitle Studio online — free
Create and export SRT/VTT subtitle files. Use Tentaco Subtitle Studio to process the file in your browser and download the result — no account.
Tap Tempo — manual BPM by tapping
Tap a button to estimate BPM manually. Use Tentaco Tap Tempo to process the file in your browser and download the result — no account.
Video Chapters online — free
Generate chapter markers from timestamps. Use Tentaco Video Chapters to process the file in your browser and download the result — no account.
Video Compress — shrink video for web
Shrink video file size with H.264 compression. Use Tentaco Video Compressor to process the file in your browser and download the result — no account.
Video converter online — free
Convert videos between MP4, WebM and MOV. Use Tentaco Video Converter to process the file in your browser and download the result — no account.
Video Extract Audio — MP3 from video online
Save the audio track as MP3. Use Tentaco Extract Audio from Video to process the file in your browser and download the result — no account.
Video Info online — free in your browser
View duration, resolution and file details. Use Tentaco Video Info to process the file in your browser and download the result — no account.
Merge Videos online — free in your browser
Join two videos into one file. Use Tentaco Merge Videos to process the file in your browser and download the result — no account.
Mute Video online — free in your browser
Remove the audio track from a video. Use Tentaco Mute Video to process the file in your browser and download the result — no account.
Resize Video online — free in your browser
Change video width while keeping aspect ratio. Use Tentaco Resize Video to process the file in your browser and download the result — no account.
Rotate Video online — free in your browser
Rotate video 90°, 180° or 270°. Use Tentaco Rotate Video to process the file in your browser and download the result — no account.
Change Video Speed online — free
Speed up or slow down playback. Use Tentaco Change Video Speed to process the file in your browser and download the result — no account.
Video Thumbnail online — free
Capture a single frame as JPEG. Use Tentaco Video Thumbnail to process the file in your browser and download the result — no account.
Video to Frames online — free
Extract all frames or intervals from video. Use Tentaco Video to Frames to process the file in your browser and download the result — no account.
Video to GIF online — free in your browser
Turn a video clip into an animated GIF. Use Tentaco Video to GIF to process the file in your browser and download the result — no account.
Video to SRT — extract subtitles
Extract embedded subtitle tracks to SRT with FFmpeg. Use Tentaco Video to SRT to process the file in your browser and download the result — no account.
Video Trimmer online — free in your browser
Cut a clip by setting start and end time. Use Tentaco Video Trimmer to process the file in your browser and download the result — no account.
Tentaco Video Studio — free browser video editor
Edit video on a timeline in your browser — cut, layer, export locally. Plus compress, convert and trim. Free, no account.
Webamp Player online — free
Winamp-style audio player in the browser (default skin).
Sheet music online — free
Render MusicXML / MEI / ABC with Verovio and an optional click track.
GIF from Video — convert online
Create animated GIFs from video clips locally. Use Tentaco Gif From Video to process the file in your browser and download the result — no account.
Audio Normalize — even loudness
Normalize audio loudness in Audio Workspace. Use Tentaco Audio Normalize to process the file in your browser and download the result — no account.
LocalThis tool processes data locally in your browser. Tentaco does not receive your file contents for this mode.
Local ffmpeg.wasm tools keep clips on your device. Large files need enough browser memory — try shorter clips if the tab struggles.
Common web formats such as MP4 and WebM are typical targets. Check each tool for exact codec options before exporting.
No — processing runs locally in your browser whenever possible. Your files and inputs do not leave your device unless a tool explicitly uses the network.