Burn Subtitles into Video - Hardcode SRT Subtitles

A Yes. Hardcoded subtitles become part of the video pixels and cannot be toggled off by viewers.

A Our Video Subtitle Burner is designed to integrate SRT subtitles without compromising your video's original quality. The tool focuses on overlaying the text pixels onto your video file. While re-encoding is sometimes necessary for hardcoding, we use efficient algorithms to ensure minimal or no perceptible loss. You can always check the output resolution and file size to confirm the quality of your burned video.

A The time it takes to permanently burn SRT subtitles into your video file depends on several factors, including your video's length, file size, and internet connection speed. Generally, for shorter videos (under 5 minutes) and average internet speeds, the process completes within a few minutes. Longer or larger video files will naturally require more time for our browser-based tool to hardcode the subtitles effectively.

A You can upload videos up to 2GB without any issue. For most common use cases, like burning subtitles onto a 10-minute HD video, this limit should be more than enough. If you have a larger file, you might need to split it first or use a desktop application. Our tool focuses on speed and ease for typical online sharing needs.

A Not yet. Our current version places subtitles at the bottom center using a default white font with black outline. We're working on adding font size, color, and position controls. For now, you can edit your SRT file to add basic styling tags like <b> or <i>. Most videos work fine with the default placement, but if you have vertical video content, you might want to test a short clip first to see how it looks.

A You'd need to trim the video first before uploading, since our tool doesn't have a built-in trimmer. Use a free editor like Clipchamp or OpenShot to cut your video down to, say, a 60-second clip for TikTok or Instagram. Then upload that trimmed file with your SRT. Burning subtitles on a shorter clip is faster, too — a 30-second piece might finish in under a minute.

A Not necessarily for YouTube. But if you're sharing a video on Instagram, TikTok, or sending it to someone who'll view it offline, hardcoded subtitles are the only way they'll always see them. Platforms like YouTube let users turn captions off. Once burned in, your text is part of the image. Short test: upload a 10-second clip with subtitles to see the difference before committing to a full video.

A You must upload both a video file and a separate SRT or VTT subtitle file. This tool won't extract embedded subtitles from an existing video. If your video already has soft subtitles (like MKV files often do), first use a free tool like Subtitle Edit to export them as SRT. Then upload both files here. For teachers preparing educational clips, this workflow ensures you can adjust timing before burning.

A No, we don't store your video. Processing happens entirely in your browser using WebAssembly, so your file never reaches our server. Once you close the tab, everything is gone. That means a 2GB wedding video or a sensitive work presentation stays private. The only trade-off is that your device does all the heavy lifting, so an older laptop might take longer. For marketers sharing internal training clips, this keeps your raw footage secure.

A That usually happens when your SRT file uses a tiny font size or your source video is low-resolution. Our tool renders text at the original video's pixel density, so a 720p clip won't get sharper subtitles just because you upscale it later. For crisp results, export your video at 1080p or higher before uploading. A 24-pixel font on a 4K file looks razor-sharp; the same font on a 360p clip will look mushy. Also check that your SRT doesn't use excessive line breaks — each line renders as one image block. If you're creating TikTok clips, stick to 1080x1920 and keep subtitles within the safe zone, roughly the bottom third of the frame.