Free Tools
Quick tools for every edit.
Free, browser-based utilities for subtitles, frame math, and YouTube chapters — no signup, no upload, no AI cost. Open and use.
SRT ↔ VTT ↔ ASS converter
Convert between the three common subtitle formats. Drag a file or paste — get the other format instantly.
SRT timing shifter
Subtitles out of sync? Offset every timestamp by the same amount in milliseconds — earlier or later.
Aspect ratio calculator
Reframe 16:9 to 9:16, 1:1, 4:5 and more. Get exact crop, letterbox and recommended export dimensions.
Timecode ↔ frames converter
Convert between HH:MM:SS:FF, total frames and decimal seconds across all common editorial frame rates.
YouTube chapter generator
Type your chapter titles and timestamps — get YouTube-valid, ready-to-paste description text with rule checks.
Why free tools by a paid product?
Most editors discover YondCut because of a problem they hit mid-edit. These tools fix the small, daily ones — and when you outgrow them, the full YondCut app for Premiere Pro is there for the bigger jobs.