Rythmo band and dubbing tools, online
A rythmo band is a scrolling dubbing script synced to your video. Shift subtitles, convert SRT to VTT, calculate timecodes, check how fast a line is spoken, trim or compress a video: simple online tools with no sign-up, built for dubbers and anyone who works with video.
New to the rythmo band? Read the complete guide to the rythmo band.
Everything runs in your browser: your files never leave your device.
Subtitles, timecodes and text
Prepare the script and the adaptation, with instant results.
Subtitle Shifter
Move subtitles earlier or later, or fix gradual drift by matching two lines to the video.
Use this toolSRT to VTT Converter
Convert a subtitle file between SRT, VTT and ASS in one click.
Use this toolTimecode Converter
Convert HH:MM:SS:FF timecode to frames or seconds, and back, at 24, 25 or 30 fps.
Use this toolTimecode Calculator
Find the duration between two timecodes, or add and subtract timecodes.
Use this toolSpeech Rate Calculator
Check that a line fits its time: words per minute and a quick verdict.
Use this toolVideo and audio
Prepare the scene you want to dub: processed on your device, no file upload.
Video Compressor
Reduce a video's file size (1080p, 720p, 480p) without sending it anywhere.
Use this toolVideo Trimmer
Keep just the scene you need: precise start and end, audio kept in sync.
Use this toolRemove Audio From Video
Strip the audio track from a video in seconds, with the picture untouched.
Use this toolVideo Resizer
Crop to 16:9, 9:16, 1:1 or 4:5 and choose the output resolution.
Use this toolVertical Video Converter
Turn a 16:9 video into a 1080×1920 vertical with a blurred background and an optional slight zoom.
Use this toolAudio Extractor
Save a video's soundtrack as a WAV file, ready for audio editing.
Use this toolSilence Detector
Find silences and get the timestamps of every line of speech, as text or SRT.
Use this toolNeed the full rythmo band?
Upload your video: the dialogue is transcribed automatically, then a synced rythmo band is generated. The Studio is there if you want to record your voice afterwards.
Create my rythmo band