A growing set of open-source tools for timeline editing, format conversion, QA and more.
Browser-based SVG to ASS draw converter for turning Illustrator or Inkscape vector paths into ASS/SSA \p drawing commands, with smart cleanup, 8x/16x precision scaling, and live preview.
Font embedding and subsetting tool for ASS/SSA subtitles. It can subset fonts to used characters or embed full fonts, with support for TTF, OTF, TTC, OTC, WOFF, WOFF2, batch processing, and drawing-command optimization.
Browser-based reverse converter that restores ASS/SSA \p1 to \p5 drawing commands into SVG vector graphics, with multi-line and multi-block input, automatic precision detection, live preview, and one-click copy or SVG download.
Online subtitle translator that merges split cues into complete sentences by scene before neural machine translation, then maps the result back onto the original timing. Supports 200+ languages, SRT, VTT and ASS files, and bilingual output, with no sign-up required.