Translate SRT & Text with AI
Fast, batch-friendly, and format-safe Gemini translation.
Paste text, upload SRT, fine-tune prompt only when needed, and translate in a cleaner flow built around input first.
Translate SRT & Text with AI
Fast • Batch • Keep formatting
SRT input
0 blocksSRT mode groups 40 subtitle blocks per request and also runs with concurrency 3. Using 30 blocks per request. 0 batches.
Translated subtitle blocks
Original + translated subtitles
0 blocks| # | Original | Translated |
|---|
The API key is stored only in your browser localStorage on this device. For production use, move Gemini calls to a server route.
SRT Translation History
Restore previous subtitle translations and continue working from where you left off.
| No. | Time | File | Target | Blocks | Actions |
|---|---|---|---|---|---|
| No translation history yet. | |||||
Tutorial Video
How to translate with Gemini on this page
A quick workflow for long text and subtitle batches using your own Gemini API key.
- 1
Step 1: Save your Gemini key and prompt
Enter the API key, add a translation prompt, choose the target language, then save the setup to localStorage.
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Step 2: Choose text mode or SRT mode
Use text mode for plain content with auto chunking, or SRT mode to upload and parse subtitle files.
- 3
Step 3: Pick a model and monitor requests
Choose Gemini 2.5 Flash or Flash Lite, then watch the local request counter while the page runs up to 3 calls in parallel.
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Step 4: Review and export
Copy translated text directly, or download the translated SRT file after subtitle batch translation finishes.
Tip: tune the prompt first on a few subtitle batches before translating a full-length subtitle file.
Frequently Asked Questions
Q: Does this page require my own Gemini API key?
A: Yes. The page requires a Gemini API key and stores it only in your browser localStorage if you click save.
Q: Can it translate long text automatically?
A: Yes. Text mode splits oversized content into chunks and sends up to 3 requests in parallel.
Q: How are SRT subtitles sent to Gemini?
A: SRT mode parses the subtitle file and sends up to 40 subtitle blocks per Gemini request while keeping timestamps locally.
Q: Can I download the translated SRT file?
A: Yes. After SRT translation finishes, you can download a translated .srt file directly from the page.