VTT Editor Pro is a free, open-source subtitle editor in your browser. No signup, ads, or tracking. Features interactive waveform, drag-and-drop timeline, batch editing, color regions, and auto-save. Visual resize with tooltips, snap-to-grid, undo/redo. Perfect for YouTubers, podcasters, and creators. Works offline. Supports VTT/SRT with unique color persistence. Totally free. Forever. Open-source.