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pyVideoTrans

Open-source app that transcribes, translates and dubs video with local models or your own API keys.

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Is pyVideoTrans free?

Yes, pyVideoTrans has a free plan. What you get: Open source (GPL-3.0): free to run, local models or your own API keys. Watch out: GPU acceleration works with NVIDIA GPUs only and needs CUDA 12.8 and cuDNN 9.11. Verified on github.com.

Free plan at a glance

Includes
  • Open source (GPL-3.0): free to run, local models or your own API keys

Free and open source under GPL-3.0, with no feature restrictions according to the maker. Third-party APIs you connect, such as ChatGPT or DeepSeek, need your own key and cost.

Duration
Free forever

How to get it free

Self-host
  1. Download the pre-packaged Windows version, or deploy from source
  2. Unzip to a path without Chinese characters or spaces and run sp.exe
  3. Pick local models or add your own API keys

Good to know

  • GPU acceleration works with NVIDIA GPUs only and needs CUDA 12.8 and cuDNN 9.11
  • A pre-packaged build exists for Windows 10 or 11; macOS and Linux deploy from source
Get the free plan

github.com, Checked Source

Overview

pyVideoTrans is a free open-source tool (GPL-3.0 license) that runs speech recognition, subtitle translation, AI dubbing and video compositing in one workflow. It works with local offline models or online APIs, through a desktop app, a web interface or a command line.

Key features

  • One-click pipeline: speech recognition, subtitle translation, AI dubbing and video compositing
  • Batch audio or video to SRT subtitles, with speaker diarization
  • Multi-role dubbing and voice cloning with models such as F5-TTS and CosyVoice
  • 30+ services, local offline or online, mixed freely
  • Desktop app, web interface and command line, plus Docker
  • Runs with or without an NVIDIA GPU; CUDA acceleration when one is available

Best for

Tasks
Transcribe audio & video, Translate text, Turn text into speech
People
People who want to translate and dub videos into another language, Creators who need SRT subtitles from audio or video in batches, Users who prefer local, offline models or running on their own server

Limitations

  • You install and run it yourself: a pre-packaged build is offered for Windows 10 or 11, other systems deploy from source
  • Third-party APIs such as ChatGPT or DeepSeek need your own key, and their fees are yours
  • GPU acceleration is for NVIDIA GPUs only, with CUDA 12.8 and cuDNN 9.11

FAQ

Is pyVideoTrans free?
Yes. pyVideoTrans has a free plan: Open source (GPL-3.0): free to run, local models or your own API keys. We last checked github.com's pricing page on 2026-11-12.
What does the pyVideoTrans free plan include?
Open source (GPL-3.0): free to run, local models or your own API keys. Source: https://github.com/jianchang512/pyvideotrans (checked 2026-11-12).
How do I get pyVideoTrans for free?
Steps: Download the pre-packaged Windows version, or deploy from source; Unzip to a path without Chinese characters or spaces and run sp.exe; Pick local models or add your own API keys. Start at https://github.com/jianchang512/pyvideotrans (checked 2026-10-22).
Do I need an account to use pyVideoTrans for free?
Not for the free option: the free route is to self-host pyVideoTrans (Download the pre-packaged Windows version, or deploy from source). Checked 2026-10-22.
What's the catch with pyVideoTrans's free plan?
GPU acceleration works with NVIDIA GPUs only and needs CUDA 12.8 and cuDNN 9.11. A pre-packaged build exists for Windows 10 or 11; macOS and Linux deploy from source. Checked 2026-10-22.
What are free alternatives to pyVideoTrans?
Clipchamp, ZapCap and Kdenlive all have free plans. We checked their free offers on 2026-11-12.
Do I need to log in or register?
No. The English homepage says no login or registration is required.Source: en.pyvideotrans.com
Does it need an NVIDIA GPU?
No. It runs with or without an NVIDIA GPU, and CUDA acceleration is supported when one is available.Source: en.pyvideotrans.com
Do I need API keys?
It supports local offline models as well as online APIs. For third-party APIs such as ChatGPT or DeepSeek you apply for your own key and pay the provider, as the Chinese homepage explains.Source: pyvideotrans.com

Free alternatives

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Sources

Free offer
Verified on github.com/jianchang512/pyvideotrans
…software is an open-source, free, non-commercial…
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How we check free offers

Added by our team. We check that a free option exists and record the date; signing up is between you and pyVideoTrans, so read their privacy policy and terms first.

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