AI Video Translator: How to Translate Videos Online

What is an AI video translator?

An AI video translator takes a video in one language and produces a version where the spoken audio has been translated into another language — using the original speaker’s voice. Unlike subtitling, which adds text overlays, video translation (also called dubbing) replaces the audio itself so the viewer hears the content in their native language.

The technology has improved dramatically in the past two years. Modern AI video translators produce output that’s difficult to distinguish from human-recorded dubbing for many use cases. The speaker’s vocal character, the pacing of delivery, and background audio are all preserved.

Who uses AI video translation?

YouTube and social media creators

Creators publish in English and miss 60%+ of the global internet audience. Translating videos into Spanish, Portuguese, French, and other high-demand languages opens entirely new viewer bases. Some channels report 2–5x subscriber growth after adding localized content.

Marketing and sales teams

Global companies need video ads, product demos, and sales enablement content in every market they serve. Traditional localization involves hiring voice talent for each language and managing production across multiple agencies. AI translation does it in minutes.

Course creators and educators

Online courses are a global business, but language remains the biggest barrier. Translating instructor-led videos lets creators sell into new markets without re-recording a single lesson. See our detailed guide on AI dubbing for e-learning.

Media companies and publishers

News organizations, documentary producers, and content distributors all have archives of video content that could serve a wider audience. AI translation makes it economically viable to dub content that wouldn’t justify the cost of human localization.

How to translate a video with Pinch

Option 1: Upload in your browser

The simplest way to try AI video translation is the Pinch dubbing portal:

1. Sign up for free (no credit card required — $5 credits included)
2. Upload a video file or paste a URL
3. Select the target language
4. Download the translated video when it’s ready

The entire process takes 1–5 minutes depending on video length.

Option 2: Use the API

For developers and teams that need to translate videos programmatically:

curl -X POST https://api.startpinch.com/api/dubbing/jobs \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "source_url": "https://example.com/my-video.mp4",
    "target_lang": "fr"
  }'

The API accepts MP4, MOV, WebM, MP3, WAV, and other common formats. You get back a translated file in the same format. Full documentation at Dubbing API Reference.

What to look for in an AI video translator

The market has dozens of options. Here’s what actually matters:

Translation naturalness

Word-for-word translation sounds robotic. The best systems adapt phrasing to sound native in the target language. This is the single biggest quality differentiator between tools.

Voice quality

Does the translated version sound like the same person? Or does it sound like a different, generic voice reading translated text? Cross-lingual voice cloning quality varies significantly across providers.

Background audio handling

Videos often have music, sound effects, and ambient noise. Poor tools destroy this during processing, leaving you with flat, silent backgrounds behind the dubbed speech. Good tools separate speech from background audio and remix them cleanly.

Supported languages

Most tools support major European languages. Coverage for Asian languages (Japanese, Korean, Chinese) and right-to-left languages varies. Make sure your target languages are supported before committing to a tool.

Pricing model

Some tools require monthly subscriptions starting at $20–$100/month. Others charge per minute of content. Watch for hidden costs like watermarks on cheaper plans, limits on video length, or restrictions on API access.

Pinch pricing: $0.50 per minute of input video. No subscription, no watermarks, no tier restrictions. API access included for all users.

Supported languages

Pinch currently supports translation between these 10 languages:

Language	Code	Language	Code
English	en	Russian	ru
Spanish	es	Japanese	ja
French	fr	Korean	ko
German	de	Chinese	zh
Italian	it	Portuguese	pt

Source audio can be in any of these languages, and you can translate to any other. More languages are actively being added — check the latest list.

Frequently asked questions

How long does translation take? Typically 1–3 minutes for a 5-minute video. Longer videos take proportionally longer.

What’s the maximum video length? Currently 10 minutes per file through the API. For longer content, split into segments and process in parallel.

Can I translate audio-only files? Yes. The API accepts MP3, WAV, M4A, and other audio formats. You get back a translated audio file.

Is there a free trial? Yes. Sign up and get $5 in free credits — enough for 10 minutes of dubbing. No credit card required.

Do dubbed videos have watermarks? Never. All Pinch output is watermark-free regardless of how much you spend.

Get started

• Try in browser — Upload a video and see the results. Free to try.
• API Quickstart — Integrate video translation into your app or workflow.
• Python tutorial — Full developer walkthrough with code examples.