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DubSync
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Video to Czech · AI dubbing

Translate your video to Czech. Keep every voice in it.

Upload the video you already made. DubSync translates the speech into Czech, gives each speaker a voice created from their own, keeps your music and background sound and returns a dubbed MP4.

Dub my video into Czech

Pro: 7 days free for eligible new subscribers, with 60 minutes. Card required. Then $29.90/month; cancel before the trial ends to pay nothing. Trial minutes expire after 7 days.

Upload an MP4, MOV or M4V. You see the minutes and the cost before anything starts.

CzechDubbed

What is said: I recorded this video once in English. Pick a language and hear the same video in a voice like mine.

What is said: Grabé este video una vez en inglés. Elige un idioma y escucha el mismo video en una voz como la mía.

What is said: Gravei este vídeo uma vez em inglês. Escolha um idioma e ouça o mesmo vídeo em uma voz como a minha.

Demo clip: an AI-generated scene with a fictional character. Dubbed with VDub v2, the model DubSync runs; lip-synced tracks use VSync v2.

Lip-sync shown in these examples is an optional paid add-on, separate from the dubbing trial.

Hear it

The same clips, dubbed into Czech.

These clips were made in English and dubbed into Czech with the model the app runs. Play one, then switch between the original and Czech.

An animated character

  • The character keeps its bright, young voice in Czech.
  • Music and forest sounds stay under the new speech.
  • Stylized mouths rarely need lip-sync, so a plain dub is usually enough for animation.
CzechDubbed

What is said: Hi, I'm Pip the Fox. My stories began in one language. Now, children can hear them in their own.

Demo clip: an AI-generated scene with a fictional character. Dubbed with VDub v2, the model DubSync runs; lip-synced tracks use VSync v2.

Narration over footage

A narrator never shows their lips, so nothing has to match on screen. This is the simplest kind of video to dub into Czech: the voice changes and the picture stays exactly as you cut it.

CzechDubbed

What is said: For thousands of years, this coast has looked the same. Only the language of the story changes.

Demo clip: an AI-generated scene with a fictional character. Dubbed with VDub v2, the model DubSync runs; lip-synced tracks use VSync v2.

Who you reach

Where a Czech version can be watched.

Czech is the language of the Czech Republic, and most Slovaks understand it without effort. For a creator, a Czech version is made for one country in Central Europe, with viewers next door in Slovakia who can follow it too.

CPM is what advertisers pay, not what a creator earns. Pay depends on where viewers watch, the niche and YouTube Partner Program eligibility. No result is guaranteed.

What advertisers paid there, next to the United States:

What advertisers paid per 1,000 YouTube ad impressionsMedian CPM in US dollars, long videos uploaded in 2024.
  1. United States$11.95
  2. Czechia$3.20

Source: IsThisChannelMonetized via Digital Information World, Aug 2025.1

Before you publish

What to check in a Czech dub.

A dub can't be corrected word by word, so listen to the result before you post it, ideally with a native speaker.

  • Standard or everyday Czech

    The Czech of news and textbooks differs from the Czech people speak with friends, in word endings as well as vocabulary. Listen for whether the dub sounds like a news bulletin when your original sounds like a chat.

  • Tykání or vykání

    Czech has an informal "ty" and a polite "vy", and saying "ty" to a stranger can come across as rude. Check that the form in the dub fits how well you know your audience.

  • Women's surnames

    Czech usually adds "-ová" to a woman's surname, and foreign names are sometimes given it as well. Listen for whether the women named in your video are called what they would expect.

Upload. Translate. Download.

From your original to a Czech MP4 in four steps.

  1. Upload your original.

    MP4, MOV or M4V, up to 1 GB and 150 minutes. We detect the spoken language for you.

  2. Review your target language: Czech.

    We calculate the input minutes your video needs before you pay anything.

  3. Review and confirm.

    See the minutes and the cost, confirm your rights and every speaker's voice consent, then start the dub.

  4. Download your MP4.

    A voice for each speaker, your background audio kept and no visible watermark. Add lip-sync if you need it, priced per minute.

More languages

Dub the same video into another language.

Each target language is its own project and uses the video's minutes again.

All languages

Before you upload

Translate only what is yours to translate.

Questions

Questions before you start

Which languages can I translate into Czech from?

You don't choose a source language: the spoken language is detected automatically. You choose Czech as the language to dub into.

Will the Czech voice sound like the original speaker?

Each voice is created from the original speaker, so it should sound similar, not identical. Clear speech with little background noise gives the best result.

Which variety of Czech does the dub use?

There is one Czech option, with no regional variants to choose from. If a regional audience matters to you, ask a native speaker from that region to listen before you publish.

Can I get Czech subtitles instead of a dub?

No. DubSync makes a dubbed MP4, not a subtitle file.

How long can the video be?

Up to 150 minutes and 1 GB per file, as an MP4, MOV or M4V.

How is a Czech dub priced?

By the input minute: the length of your original video, for each target language. You upload first and see the minutes and the cost before anything starts.

Plans from $4.90/month. You see the minutes and the cost before anything starts. See pricing

Sources

  1. Digital Information World (data compiled by IsThisChannelMonetized). YouTube CPM Rates in 2025: How Location Shapes Earnings. Published Aug 11, 2025; accessed Oct 3, 2026.

Keep exploring

Start with one file

Your video, now in Czech.

Upload it, see the minutes, then decide.

Dub my video into Czech

Only upload videos you have the rights to, with every speaker's permission.