Batch subtitle generator

Batch subtitle and translate videos on your machine

powered by AI, built for scale.

Free SRT generator

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import { pipeline } from 'https://cdn.jsdelivr.net/npm/@xenova/transformers@2.16.0';
        let transcriber = null;
        function formatTimestamp(seconds) {
            const date = new Date(seconds * 1000);
            const hh = String(date.getUTCHours()).padStart(2, '0');
            const mm = String(date.getUTCMinutes()).padStart(2, '0');
            const ss = String(date.getUTCSeconds()).padStart(2, '0');
            const ms = String(date.getUTCMilliseconds()).padStart(3, '0');
            return hh + ":" + mm + ":" + ss + "," + ms;
        }
        self.onmessage = async (e) => {
            const { audioData, language } = e.data;
            try {
                if (!transcriber) {
                    self.postMessage({ type: 'status', data: 'Loading model...' });
                    transcriber = await pipeline('automatic-speech-recognition', 'Xenova/whisper-small');
                }
                self.postMessage({ type: 'status', data: 'Processing...' });
                const options = { return_timestamps: true, condition_on_prev_text: false };
                if (language !== 'auto') { options.language = language; options.task = 'transcribe'; }
                const result = await transcriber(audioData, options);
                let srtContent = "";
                result.chunks.forEach((chunk, index) => {
                    const [start, end] = chunk.timestamp;
                    srtContent += (index + 1) + "\n" + formatTimestamp(start) + " --> " + formatTimestamp(end) + "\n" + chunk.text.trim() + "\n\n";
                });
                self.postMessage({ type: 'result', data: srtContent });
            } catch (err) { self.postMessage({ type: 'error', data: err.message }); }
        };

Smarter Video Production Starts Here

Turn hours your
videos subtitling
into minutes!

AI transcription, batch processing, and multilingual scaling in one streamlined platform.

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goVeliro combines AI subtitles, batch automation, and data multilingual power to help you build videos without limits.

goVeliro delivers smart subtitles, automated workflows, and seamless multilingual video production.

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Free Whisper-Powered Subtitles for All

Instantly generate accurate captions in every language, exportable as SRT, saving time and reaching a global audience effortlessly for free.

BATCH AUTO SUBTITLE

The world's first mass video captioning tool on your computer!

Automatically generate subtitles for multiple videos at once, in 99+ languages, with SRT export, saving time and simplifying your workflow. Process batches effortlessly and reach a global audience faster than ever, all with Whisper AI.

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SRT EXPORT

The most suitable tool for creating srt files from your videos quickly, easily, and locally.!

Easily export your subtitles in SRT format for any video, ensuring compatibility with all platforms and players. Save time, keep your workflow smooth, and deliver professional captions instantly.

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