Add Subtitles to Video Online for Free
Add Subtitles to Video — Free Online Tool | f2file
Upload your video and a subtitle file (SRT or VTT) to burn the text directly into the video. Hardcoded subtitles stay visible on any player and platform — no separate subtitle track needed.
How it works
Upload the video
Choose the video that needs captions.
Add subtitle file
Upload or apply subtitles with correct timing.
Download and review
Watch the captioned video and check timing on key lines.
Frequently asked questions
About Add Subtitles
Add Subtitles places captions on a video so viewers can understand it without sound or follow speech more easily. It is useful for social clips, tutorials, training videos, interviews, course material, and accessibility. Subtitle quality depends on timing and wording. Even a good SRT file can look bad if captions appear too early, stay too long, or cover important visual content. Short lines are easier to read on phones. Before exporting, watch the video with sound off. Check spelling, timing, speaker changes, and whether captions block faces, product details, or UI text.
Updated June 2026: Added guidance for adding subtitles to videos, SRT timing, accessibility, social clips, burned-in captions, and review checks.
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