Checksub

Checksub is an online platform for generating subtitles, translating them, and dubbing video with AI. It helps localize content into 180+ languages, so you can reach international audiences without complex production workflows.

Subtitles and translation

Checksub transcribes speech from your video, generates time-synced subtitles, and lets you translate them into many languages. You can review and edit the text in an editor and export subtitle files in the formats you need.

• Automatic speech recognition and subtitle generation
• Subtitle timing synced to the video
• Translation into multiple languages
• In-editor text review and edits
• Export to common subtitle formats

AI dubbing, voice-over, and voice cloning

For localized versions, Checksub can generate voice-over or full AI dubbing on top of the original video. It supports voice cloning and lip-sync to keep delivery closer to the source.

• AI voice-over and dubbing
• Voice cloning
• Lip-sync for dubbed speech

Who it’s for

• YouTube creators and media teams
• Online course producers
• Marketing teams and international businesses