Skip to main content

Fix audio sync
Sync cameras
Sync player
Beat sync
FAQ

Your projects

Everything you make on sync.video is saved here as you edit.

Sync audio and video

Checking storage…

Kept in this browser only. Nothing is uploaded, and no one else can see these projects. Clearing this site’s data (or closing a private window) removes them, so export finished videos to keep them.

Guides

Fix audio and video out of syncWork out whether the file or the playback is at fault, then fix the delay or measure it.
Sync multiple cameras and recordersTwo to eight angles and audio recorders lined up by their shared sound, for multicam editing.
Play a video in sync on several devicesA room code, a shared clock and every screen playing the same frame at the same moment.
Beat sync video makerClips and photos cut on the beats or bars of your own song, ready in three shapes.
Test your audio delayA flash and beep, a microphone chirp or tapping: a latency figure in milliseconds.
Fix audio that slowly driftsTwo sync points stretch the sound so it stays in step from start to end.
Sync an SRT or VTT subtitle fileShift, stretch or auto-match subtitle timings to the speech, then download the file.
Fix Bluetooth headphone delayReduce the lag of wireless earbuds and speakers, device by device, and measure it.
Fix audio delay on a TV or soundbarThe AV sync setting on Samsung, LG, Sony, Fire TV and Apple TV, and how to measure it.
Fix streaming audio out of syncOne app, one show or every app? Find the cause and the fix for streaming lag.
Fix Hulu audio out of syncLive TV versus on demand, app resets, audio output and TV sync settings.
Fix Netflix audio out of syncNetflix’s device checks, audio format changes and your TV’s own sync setting.
Fix YouTube audio out of syncBrowser and app fixes for viewers, and a corrected file for creators before upload.
Fix audio delay in VLCThe J and K keys, Track Synchronization and how to save the delay into the file.
Set the OBS Sync OffsetMeasure webcam or capture-card lag from a clap and enter it as the Sync Offset.
Fix CapCut audio out of syncSlide the audio in the timeline, or correct an exported file without re-editing.
A free alternative to PluralEyesWhat replaced the discontinued sync app, compared honestly, and a browser tool that does the same job.
Sync a separate mic or recorder to a videoReplace a camera’s scratch sound with a lav, recorder or phone recording, lined up automatically.
Add music or audio to a videoPut a song, voiceover or recording on a clip: mix or replace the sound, set the start, fade out.
Sync audio and video in Premiere ProSynchronize, Merge Clips and multicam source sequences, plus fixes when Premiere won’t sync.
Sync audio in DaVinci ResolveAuto Sync Audio, Auto Align Clips and multicam by sound, and what to do when Resolve can’t sync.
Sync audio in Final Cut Pro and iMovieSynchronize Clips in Final Cut Pro, lining up by hand in iMovie, and a browser shortcut for both.
A digital clapperboard on your phoneA free slate with scene, take and a timed flash and crack that syncs cameras and recorders.
Host a watch party with your own filesFriends in different homes, one film, the same moment on every screen.
Make a video wall from phones, tablets or TVsOne picture split over a grid of screens, with gaps for bezels and every tile in step.
Compare Syncplay, Jellyfin SyncPlay and thisLocal-file group watching without a desktop player, a media server or a library.
Host a movie night on DiscordGo Live, Watch Together, or a full-quality copy on every screen with Discord for voice.
Run a silent disco on guests’ phonesHeadphones on, one room code, and the same beat in every ear without renting a kit.
BPM finder for songs and videosThe tempo of any music file, even one inside a video, with a beat grid to check.
Tap tempo BPM counterTap along to any song and read its BPM, with half, double and a check metronome.
Photo slideshow with music, on the beatPhotos that change on the beats of your song, with slow zooms, in three shapes.
Say the word on beat makerYour own on-beat picture challenge: eight pictures lighting up one per beat.
Beat sync in CapCutCapCut’s beat markers step by step, and a browser route that cuts on the beat for you.
Beat markers for Premiere Pro and ResolveTap markers by hand, or detect every beat and import them into your editor.

© 2026 sync.video.

About
Privacy
Contact
Cookie settings
llms.txt