SRT · ASS · VTTFree manual editing

Translate, edit and sync your subtitles.

Translate SRT, ASS and VTT, edit with local video, and change character names. Manual editing is free; use your own API or a voucher for AI.

No registration. Local video stays on your device.

Illustration of subtitle files organized with TitraTools

Choose your next step

Work with an existing subtitle file. Translate dialogue, fine-tune its timing or replace character names.

Your API or voucher

Subtitle translator

Translate with DeepSeek, OpenAI, Gemini or Google Translate. Local AI and compatible custom APIs are supported too.

  • Custom rules and target language
  • Custom filenames and partial downloads
Translate subtitles
Free

Subtitle editor

Upload subtitles in the translator, then open the editor. Edit before translation, after it, or both, with an optional local video.

  • Drag timing, split and merge cues
  • Quality checks, undo and saved projects
Edit for free

Name Changer

Find character names with classic analysis or AI, enter replacements and review the result before downloading.

  • Classic analysis without AI credits
  • Cloud, local or custom AI options
Change names

How each tool works

Follow the steps for your task. Manual editing is free; translation and AI name analysis use your own API, local AI or a voucher.

Subtitle translator

  1. Upload an SRT, ASS or VTT file and choose the source and target languages.

  2. Choose provider and model: your API key, local/custom AI or a voucher. Set translation rules and the output filename.

  3. Choose whether to edit before or after translation. With a voucher, review the estimated cost, then start. Stop finishes the current block before stopping.

  4. Review the result and download with the target language code. If interrupted, keep the partial file and continue the remaining blocks.

Translate subtitles

Subtitle editor

  1. Upload subtitles in the translator, choose the editing stage and open the free editor. No voucher is required.

  2. Optionally open a local video. Click a cue to seek to it; use playback speed, looping and audio waveforms to check the dialogue.

  3. Edit text, drag cue edges or move cues on the timeline. Split, merge, rebalance lines and check reading speed. Undo changes whenever needed.

  4. Use the edited subtitles in translation or download them. Export a project to continue later; restoring it requires selecting the video again.

Edit for free

Name Changer

  1. Upload your subtitles and choose classic analysis or AI. Classic analysis does not spend AI credits.

  2. For AI analysis, choose your provider, local/custom API or voucher. Run the analysis and review the detected names.

  3. Enter replacement names and inspect the preview. Adjust the list before applying changes to the dialogue.

  4. Send subtitles directly to the translator without downloading and uploading again. Or download the file with its original structure and export the TXT name list.

Change names

AI with a TitraTools voucher

  1. Choose a credit package or a custom amount on the pricing page.

  2. Pay through Stripe and keep the voucher code and payment confirmation.

  3. Enter and verify the voucher in the translator or Name Changer. Check the balance and choose the AI model.

  4. Review credit use in the history. Completed AI work uses credits; manual editing stays free. Stopping saves the current translation block and does not start another.

View credit packages

AI with a TitraTools voucher

Use AI without entering a personal API key. Credit use depends on the model and tokens processed; the translator shows an estimate before you start. Manual editing remains free.

View credit packages

What we’re preparing

These features are planned and are not available yet.

Planned

AI subtitle shortening

Dialogue-shortening suggestions in a future voucher beta. The editor currently makes no AI requests.

Planned

Create subtitles from video

Generate subtitles from audio or video, then review their text and timing.

Planned

Documents and books

Translation tools for longer content, with attention to structure and consistent terminology.