Universal Subtitle Toolkit (SRT, VTT, ASS, SSA) Pantas, Peribadi & 100% Dalam Pelayar

Convert, merge, split, shift timing, change FPS, and repair encoding for SRT, VTT, ASS, and SSA subtitle files — 100% in-browser, no uploads. 100% dalam pelayar anda, tanpa pendaftaran, tiada muat naik ke pelayan.