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Audio & Video Studio

Edit, Convert and Time Subtitles for Free

Edit SRT and VTT subtitles, shift timing and transcribe short media free locally after downloading a model. Optional bilingual translation needs configured DeepL and quota.

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Transcription and Subtitle Editing

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Full instructions and common questions

Transcription and Subtitle Editing

Edit SRT and VTT subtitles, shift timing and transcribe short media free locally after downloading a model. Optional bilingual translation needs configured DeepL and quota.

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Free use and requirements

Use the local functions for free without a KitNelo account. Optional Gemini generation sends the supplied text to Google and requires a configured server API key; provider fees and quotas can apply.

Whisper needs a model download. Bilingual translation uses configured DeepL; burning subtitles requires a suitable font.

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Free online functions: steps and checks

Edit SRT Subtitles Online for Free

Import an SRT file or paste subtitle text, then edit each cue and its start and end times. Preview against the media and check reading duration, overlaps and spelling before downloading the revised subtitle file.

Convert SRT and VTT Subtitles for Free

Read an existing SRT or VTT subtitle track and export the cues in the other format. Confirm cue text and timing after conversion, then test the exported file in the intended player for formatting differences.

Shift Subtitle Timestamps for Free

Enter a positive or negative offset in seconds to move the subtitle track later or earlier. Apply the change to the cue list and compare several points against the media, checking that starts and ends remain valid.

Transcribe Short Media Locally for Free

Choose an audio or video clip and run local Whisper transcription after the initial model download. Review every generated cue and timestamp against the recording; speed and practical clip length depend on your browser and device resources.

Prepare bilingual subtitles in the free workspace

Review the source subtitle cues before requesting translation through the configured DeepL service. Provider quotas, connectivity and fees can apply. Compare both languages and timing before exporting; the free local editor does not include unlimited translation credits.

Burn subtitles into a video for free

Load a short video, reviewed subtitle cues and a suitable font for local FFmpeg processing. Inspect a test export for missing glyphs, line breaks and placement. Longer clips and large frames are limited by browser resources.

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