Audit Subtitle Sync Drift Across Video Timestamps — Free
Enter subtitle timing offsets and drift rates to pinpoint exactly when caption sync breaks down across long-form media. The free tier is the whole tool: every field, every state, the state link and one complete un-watermarked run.
1 · Set the subtitled sync drift docket
FIRST-LOAD · sample record filed, free run untouched
Data note: Everything is computed in this browser tab. Nothing you type is uploaded, and nothing is stored on our servers.
2 · Read the designed subtitled sync drift docket
GratisAI mapped my caption timing drift across timestamps and gave me the exact frame-rate stretch factor.
Boundary: Calculates linear timing adjustments based on user inputs. Does not edit media or subtitle files directly.
One-time layer · $4
The on-screen result is free and complete. The one-time layer adds a tangible file you keep.
- Printable sync docket report — Detailed timestamped offset matrix for caption editors — estimate: ~40 minutes saved per video edit
- Saved media audit history — Store media caption profiles in local browser storage — estimate: ~20 minutes saved per re-render
ONE-TIME STEP · the free run is complete; the printable copy and saved history are the one-time step
Reveal the printable layer →Yours to keep, right where you are. Your one-time purchase gently unlocks this app on this device and browser.