Edit and Make Subtitles

These tools fix or create subtitle timing and text. Edit an SRT row by row, time a script against a video, shift every cue or correct drift, convert timecodes between frame rates, and check a file to see which format it is and what is wrong.

Tools in this group

• Frame Rate Converter for Subtitles and Timecodes — Convert subtitle timing and timecodes between frame rates (23.976, 24, 25, 29.97, 30 …), including drop-frame timecode. This page does not re-encode video.
• Online SRT Editor — Open or paste an SRT file, fix times and text row by row, check reading speed and overlaps, then save it as SRT, VTT, SBV, ASS or TTML.
• SRT File Format: Check, Fix and Understand Your .srt — Paste or open an .srt file to see how it is read, every problem with its line number, and a cleaned copy to download.
• Subtitle File Formats: Identify Your Subtitle File and Compare — Paste or open any subtitle file to see which format it is, how many cues it has and what styling it uses, then jump to the right converter.
• Subtitle Maker Online (Free SRT File Maker) — Paste your script, play your video and tap a key as each line starts: you get a timed SRT or VTT file, with nothing uploaded.
• Subtitle Shifter: Fix Subtitles That Are Out of Sync — Move every subtitle earlier or later, shift part of the file, or fix drift with a two-point sync. Works on SRT, VTT, SBV, ASS and TTML.