Marketing Video Translation

Why it helps

Professional voice-over for every market is expensive and slow. An AI-translated version costs cents per minute and lets you test messaging quickly.

Step by step

1. Translate the explainer into the market's language.
2. Have a native speaker check taglines and calls to action — marketing language is where machine translation struggles most.
3. Publish on a localised page and measure before investing in professional voice-over for winners.

Tips

• Puns and wordplay rarely survive translation; rewrite those lines in the transcript.
• Keep product names consistent with your localised website.

Example

Cost: 100 credits (10¢).

Limitations to know

• Taglines and humour need human review.
• No lip-sync for on-camera presenters.

Which marketing videos translate well

Not every asset survives a stock voice and unchanged lip movements equally. A rough guide:

Animated explainer with voice-over

Strong fit: the narrator is off screen, so the new voice isn't tied to a face

Product demo with narration

Good fit: the interface stays in its original language, so name key buttons aloud

Founder or presenter talking to camera

Workable: mouths won't match the new language; subtitles are the alternative

Customer testimonial

Prefer subtitles: a stock voice replacing a real customer changes whose words viewers hear

Short ad with music and a jingle

Check the mix: the music stays under the new voice, but a sung jingle loses its lyrics; with stems, dub a dialogue-only export and mix in your own music

Design the first translation as a market test

A translated video only tells you something if the test is set up to answer a question. Decide before launch what you are measuring (watch-through, clicks on the call to action, sign-ups from that language's landing page) and what result would justify spending more. Change one thing: translate the video and its landing page, keep the offer and design the same as the original, and send comparable traffic. Run it long enough to see a pattern in your own analytics rather than reacting to the first days. Before reading a weak result as "no demand", have someone who speaks the language watch the video and read the page: a clumsy tagline or a mispronounced product name can sink a test that the market itself would have passed. Measuring localization success covers the metrics and how to compare languages fairly.

Taglines, claims and figures

Machine translation renders slogans literally, and a line built on a pun or rhyme usually needs to be rewritten from scratch by someone who writes in that market's language. Claims deserve the same care: words like "free", "guaranteed" or "clinically tested" carry different legal weight from country to country, so whoever approves claims at home should see the translated transcript too. Prices, currencies, sizes and dates spoken in the video will come through in the translation as said, so a dollar price in a video aimed at Germany is something to catch at review. Cultural adaptation in video goes through humour, references and units.

Music and effects under the voice

The translated MP4 contains the original picture and the translated voice, with the music and effects from your original mix kept underneath: AI vocal separation removes the original speech, and the background is lowered while the new voice speaks. Separation isn't perfect, so in a dense or loud mix faint traces of the original voice can remain and the music can sound slightly thinner, and a sung jingle keeps its instruments but loses its vocals. For a campaign asset, the cleanest result still comes from the edit project: export a dialogue-only version and dub that, so the translated audio (M4A) comes back as essentially the voice alone, then drop it onto the timeline with your clean music stem, set your own levels and export. Background music in translated videos explains why voice and music are hard to separate, and editing dubbed audio walks through the mix. For feeds that autoplay on mute, upload the SRT or VTT as a caption file where the platform accepts one; mydubly does not write subtitles into the picture, so add them in your editor if a platform needs them visible in the frame.

Choosing the voice and variant per market

Pick one of the 8 stock voices that matches your brand's tone and keep it for every video in the campaign, so a viewer who sees three ads hears the same voice. Audition two or three voices on your shortest asset first; the dub preview plays at 0.75× to 1.5×, which makes it quick to compare how each handles your product name and call to action. Choose variants by the market you're testing, not by who reviews the copy: Spanish (Spain) for a campaign in Madrid, Spanish (Latin America) for Mexico or Colombia, Portuguese (Brazil) or Portuguese (Portugal) likewise. Brand voice across languages helps write down how formal or playful each language version should be.

Using the tool on this page

• The spoken language is detected automatically; you select the output language — the spoken language itself for an untranslated transcript, or another language for a translation. Files can be up to 2 hours long.
• Only the audio is sent for processing — the video stays on your device — and audio and text are deleted within 30 minutes of delivery (how files are protected).
• You can download a translated video that keeps your music and effects, the translated audio as M4A, a transcript and subtitles (SRT and VTT). Every output, step and limit is explained on the video translator page.