Subly vs Subtitle Edit

Subly has no write-up on Specifiction yet; its figures are above.

Subtitle Edit is a free subtitle editor for creating, styling, converting, and reviewing subtitles. It runs on Windows, macOS, and Linux, and its documentation covers the cross-platform Subtitle Edit 5, which uses an Avalonia-based version. The editor supports speaker identification, caption styling, burn-in, and export to other formats; documentation references SRT, WebVTT, and ASSA. Speech-to-text options include Whisper, Qwen3 ASR, Crisp ASR, and related engines. Translation tools include automatic translation and local engines, while OCR support includes Tesseract, PaddleOCR, and cloud engines. Video tools handle burn-in, re-encoding, cutting, and remuxing. For proofreading, it can use llama.cpp, Ollama, or an OpenAI-compatible endpoint. The seconv command-line tool supports headless and bulk conversion, and documentation covers creating and installing plugins. The open-source project is maintained at SubtitleEdit and hosted on GitHub Pages. Documentation, a FAQ, and contributing guidance are available. It is free, with no stated free-tier limits.