Free online subtitle editor for SRT, VTT, and video timing

Subtitle Editor is a browser-based workspace for editing caption text, fixing subtitle timing, previewing captions over video, and exporting clean SRT, VTT, TXT, or CSV files. It is built for creators, course teams, translators, and anyone who needs a fast subtitle editor without installing desktop software.

Who this subtitle editor is for

• Video creators who need to correct captions before uploading to YouTube, Vimeo, TikTok, or course platforms.

• Educators and training teams who maintain subtitles for lessons, webinars, and internal videos.

• Translators and localization teams who review timing while editing subtitle text.

• Accessibility teams who need readable captions, clean line breaks, and reliable subtitle timing.

Supported subtitle and media formats

The editor imports SRT and WebVTT subtitle files and exports SRT, VTT, TXT, and CSV. Media preview works with browser-supported audio and video formats such as MP4, WebM, MP3, WAV, M4A, OGG, FLAC, and OPUS, depending on the codecs available in your browser.