Can I use my Netherlands Dutch version in Flanders?

It works, but Flemish viewers notice. Check Flemish wording in Proofreading.

Can I choose a Belgian French accent?

Yes. GeckoDub offers French (Belgium). Your speaker keeps their cloned voice.

Will both versions sound like my speaker?

Yes. GeckoDub clones your speaker’s voice in Dutch and French.

Can I make Dutch and French versions at once?

Yes. They process in parallel and finish together.

Do I need a German version for Belgium?

Only for campaigns aimed at East Belgium.

What is the difference between an AI video translator and AI dubbing?

An AI video translator turns a video into another language end to end: transcript, translation, voice and subtitles. AI dubbing is the voice part: the translated script spoken in a cloned voice, with lip-sync. GeckoDub does both in one step, so you upload once and download a finished Dutch and French video.

How do I translate a video into Dutch and French?

Upload the video to GeckoDub, choose Dutch and French, check the script in Proofreading if you want, and download the result with the speaker’s cloned voice, lip-sync and subtitles. You can try it free on two clips of about 15 seconds each.

How long does a Dutch and French version of my ad take?

About 4 minutes for the 15-second free preview, and 6–7 minutes for a 30-second ad. If you translate several videos or languages at once, they process in parallel and finish together.

Can I check the Dutch and French script before it is voiced?

Yes. Turn on Proofreading to check the transcript and the Dutch and French translation first, and fix product names, slang or technical terms. Your glossary keeps brand and product names the same in every video.

Belgium · Nederlands · Français

Dutch and French video translator guide · Updated 9 November 2026

Translate video ads into Dutch and French with AI dubbing and lip-sync

Belgium has two main audiences: Dutch-speaking Flanders and French-speaking Wallonia and Brussels. GeckoDub turns the ad you already run into both versions in parallel, with your speaker’s own voice, lip-sync and animated subtitles.

Translate your ad into Dutch and FrenchNo credit card required

The same ad, translated from Italian into French (Belgium) with GeckoDub: cloned voice, lip-sync and subtitles. Turn the sound on.

Belgium at a glance

Languages: Dutch (Flanders), French (Wallonia, Brussels), German (east)
Accents: French (Belgium), Dutch
Address: je / jij or u; tu or vous
Platforms: Meta, YouTube, TikTok

Quick answers

Translating video ads for Belgium: the short version

What is the best AI video translator for Dutch and French ads?

Keep the ad you already run and translate it with the speaker’s own voice, Dutch and French lip-sync and Dutch and French subtitles. GeckoDub transcribes the ad, translates the script, clones the speaker’s voice, re-syncs the lips and adds animated subtitles. A 30-second ad takes about 6–7 minutes.

Do I need two versions for Belgium?

Usually, yes. Flanders expects Dutch and Wallonia expects French. Brussels is mostly French-speaking but officially bilingual. GeckoDub makes both versions at the same time.

What makes Belgian video localization different?

Flemish Dutch differs from Netherlands Dutch in words and tone, and Belgian French differs from France French. Choose the French (Belgium) accent and check Flemish wording in Proofreading.

Is AI dubbing good enough for Dutch and French ads?

Modern AI dubbing keeps the original speaker’s voice and re-syncs the lips to the Dutch and French script, so the version looks and sounds like the same ad. Judge it on your own footage: the free test gives you two clips of about 15 seconds each, with high-quality lip-sync.

Why Belgium needs two versions of your ad

Belgium has about 12 million people: around 60% in Dutch-speaking Flanders and most of the rest French-speaking.

An ad in only one language reaches only part of the country, and a Netherlands Dutch or France French version can sound foreign.

Translate the ads that already work into both languages at once, then compare results by region.

In short

Two main languages, two audiences
Flemish and Belgian French have their own words
Both versions in parallel
Test with existing ads first

Localization

What changes when your ad speaks Dutch and French

Your footage, speaker and voice stay the same. These are the parts GeckoDub adapts for Belgium, and the parts worth checking in Proofreading.

Dutch and French

Make one version for Flanders and one for Wallonia and Brussels.

Flemish wording

Flemish Dutch uses some different words and a softer tone. Check them in Proofreading.

Belgian French

Choose French (Belgium) for a local accent. Belgians say septante and nonante.

Prices

Belgium uses the euro, written € 19,99 in Dutch and 19,99 € in French.

Address

Flemish ads often use je or u; French ads use vous or tu.

Names and glossary

Lock brand and product names so both versions match.

How GeckoDub handles Dutch and French

Flemish vs Netherlands Dutch

Close, but Flemish viewers notice Netherlands phrasing.

gsm (Flanders) vs mobiel (NL)
Softer, more polite tone
Check wording in Proofreading

Belgian French

Belgian French has its own numbers and words.

septante (70), nonante (90)
déjeuner for lunch in some regions
Choose French (Belgium) accent

Brussels

Mostly French-speaking, officially bilingual.

French version covers most viewers
Bilingual campaigns use both
Target by language, not just region

German-speaking east

A small German-speaking community in the east.

German version optional
Use for East Belgium campaigns
Standard German works

Bilingual ads

Some brands use both languages in one ad. Separate versions usually perform better.

One version per language
Target by language setting
Keep visuals the same

Payment and delivery terms

Belgian shoppers expect local terms in their language.

Bancontact where offered
Delivery to Belgium stated clearly
Returns policy in both languages

Accents

Choose the Belgian French accent

GeckoDub offers four French accents, so the voice fits the country you advertise in. Your speaker keeps their cloned voice; the accent and pronunciation follow the market you pick.

French (France)

Standard French for France.

French (Belgium)

Belgian pronunciation for Wallonia and Brussels.

French (Switzerland)

Swiss pronunciation for Romandy.

French (Canada)

Canadian pronunciation for Quebec, where France French sounds foreign.

Common ad phrases in Dutch and French

The same message in Flemish Dutch and Belgian French. Examples GeckoDub’s translation and your glossary handle:

Dutch (Flanders)	French (Wallonia, Brussels)
Bestel nu	Commandez maintenant
Gratis levering	Livraison gratuite
Beperkte aanbieding	Offre limitée
Ontdek meer	Découvrez-en plus
Solden	Soldes
Nog maar enkele stuks	Plus que quelques pièces
Gratis retour	Retour gratuit
Vandaag besteld, morgen in huis	Commandé aujourd’hui, livré demain
Probeer gratis	Essayez gratuitement
Niet tevreden, geld terug	Satisfait ou remboursé

What works in Belgium

Belgian viewers respond to honesty, humour and respect for their language.

Lands well

Ads in the viewer’s language
Self-deprecating humour
Clear prices and value
Local delivery and returns
Real customers
Quality and craft

Falls flat

One language for the whole country
Netherlands Dutch in Flanders
France French without checking Belgian words
Hard-sell urgency
Unlabelled paid creator content
Hidden costs

Flanders

Dutch with Flemish wording, practical and price-aware.

Wallonia and Brussels

French with Belgian accent, warm and quality-focused.

Bilingual brands

Run both versions and compare results by language.

Dutch and French ad lines that work

Clear saving

“Nu 30% goedkoper.”

FR: Maintenant 30 % moins cher.

Concrete savings work in both regions.

Delivery

“Vandaag besteld, morgen in huis.”

FR: Commandé aujourd’hui, livré demain.

Delivery speed matters, when you can deliver.

Money back

“Niet tevreden, geld terug.”

FR: Satisfait ou remboursé.

A familiar promise in both languages.

Social proof

“Al meer dan 10.000 tevreden klanten in België.”

FR: Déjà plus de 10 000 clients satisfaits en Belgique.

Local numbers build trust.

Local delivery

“Gratis levering in heel België.”

FR: Livraison gratuite partout en Belgique.

State national delivery clearly in both languages.

Payment

“Betaal veilig met Bancontact.”

FR: Payez en toute sécurité avec Bancontact.

Use only if you offer Bancontact.

Dutch and French video ads by industry

E-commerce and DTC

Both languages, clear delivery and returns.

Food and drink

Quality and craft; alcohol ads follow a strict code.

Finance

FSMA rules for financial products; clear terms.

Health and supplements

EU-approved claims only.

Apps and software

Glossary for feature names in both languages.

Rules to check before you run ads in Belgium

Code of Economic Law

Bans misleading and aggressive practices, including in comparisons.

JEP

The Jury for Ethical Practices handles ad complaints and influencer guidance.

Influencer labelling

Paid creator content must be clearly identified as advertising.

Language use

Language laws apply differently by region; advertise in the language of the region.

Discount rules

A discount must refer to the lowest price of the last 30 days.

Financial promotions (FSMA)

Ads for financial products must follow FSMA rules.

General guidance for advertisers, not legal advice. Check with a local adviser for regulated products.

Sources

Common mistakes with Dutch and French video ads

1
One language only
Fix: Make Dutch and French versions.
2
Netherlands Dutch
Fix: Check Flemish wording in Proofreading.
3
France French numbers
Fix: Use septante and nonante for Belgium.
4
Wrong accent
Fix: Choose French (Belgium).
5
Unlabelled creator ads
Fix: Mark paid content as advertising.
6
Unclear discounts
Fix: Show the lowest price of the last 30 days.
7
Mixing languages in one ad
Fix: Make separate Dutch and French versions.
8
Netherlands delivery terms
Fix: State delivery and returns for Belgium.

Step by step

How to translate a video ad into Dutch and French

1
Upload your ad
Upload the video you already run, in the language you filmed it in. UGC, product demos and talking-head ads all work.
2
Choose Dutch and French
Pick Dutch and French as the target language. Add other markets at the same time; they process in parallel and finish together.
3
Check the script
Turn on Proofreading to check the transcript and the Dutch and French translation first: product names, slang, technical terms. Lock names once in your glossary.
4
Voice and lip-sync
GeckoDub clones your speaker’s voice and re-syncs the lips to Dutch and French. Use HQ lip-sync for close-ups and products held near the mouth.
5
Style the subtitles
Add animated Dutch and French subtitles in your brand fonts and colours, placed clear of your product and the TikTok buttons.
6
Download and launch
Export a video ready for Meta, TikTok and YouTube, and test the Dutch and French version against your home market.

Translate your clip freeNo credit card required

Ways to get one ad into Dutch and French

What it takes to run the same ad in Belgium with each option.

	Agency	Local UGC creators	GeckoDub
Time per market	Weeks	Days to weeks	Minutes
Cost per video	150€+	100€+	from 1.7€/min
Same speaker and voice	Yes	No	Yes
Lip-sync	Depends	Not applicable	Yes
Animated subtitles	Extra cost	Manual	Yes
Several markets at once	Not applicable	Not applicable	Yes