Click subtitle text or timestamps to edit captions.
Use boundary icons to split or merge cues; only the final cue can add a new one.
Drag cue blocks to move them, multi-select cues to move them together, and zoom the timeline for fine edits.
Save exports the active track as SRT, VTT, TXT, or CSV.
Shortcuts
Space toggles media playback; Shift + Space works while editing.
Tab focuses the active subtitle text.
Up and Down jump to the previous or next cue.
Shift + Enter splits subtitle text at the cursor.
Shift + Backspace merges the current cue with the previous one.
Alt / Option + 1-4 switches subtitle tracks.
Ctrl / Cmd + Z undoes; Ctrl / Cmd + Shift + Z redoes.
Online subtitle editor
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.
Import SRT and VTT
Open local subtitle files, inspect every cue, and edit text or timestamps directly in the browser.
Adjust timing on a waveform
Move subtitle blocks, resize cue boundaries, zoom the timeline, and keep captions aligned with speech.
Preview captions with video
Load a local video or audio file and check subtitle placement, timing, readability, and caption style before export.
Export clean subtitle files
Download the active track as SRT, VTT, plain text, or CSV after editing, syncing, and quality checks.
How to edit subtitles online
1Load an SRT or VTT subtitle file, or start a new subtitle track from scratch.
2Click subtitle text and timestamps to correct wording, line breaks, start times, and end times.
3Use media preview and the waveform timeline to move cues, resize boundaries, and fix subtitle sync.
4Run quick quality checks, then export subtitles in the format your video platform or workflow needs.
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.
Online subtitle editor FAQ
Can I edit subtitles without installing software?
Yes. Subtitle editing, timing adjustment, preview, and export run in the browser, so basic SRT and VTT workflows do not require a desktop subtitle editor.
Can I convert SRT to VTT or export plain text?
Yes. You can import SRT or VTT, edit the active track, and export the result as SRT, VTT, TXT, or CSV.
Are my subtitle and video files uploaded?
No. The editor reads files locally in the browser and keeps the working session in local browser storage.
Start with the editor above, then keep this page as a practical reference for subtitle timing, browser-supported formats, and caption editing workflow.