Upload an English video and get it back in Spanish with the same voice and the same pacing. Fix any wording or timing yourself, then regenerate.
No credit card. First video free. Keeps your voice.
120k+ videos dubbed with WavBoost
“Let me show you how this works.”
“Déjame mostrarte cómo funciona.”
Translation is the easy half. These are the parts that usually give a dub away.
WavBoost produces standard neutral Spanish: no country-specific slang, no vocabulary that reads as foreign to a viewer in Mexico, Bogotá or Buenos Aires. It's the register Spanish-language media has used for decades, for exactly this reason. One track reaches every Spanish-speaking market instead of cutting a separate version for each one.
One version for every market
The same sentence takes roughly 20 to 25% more syllables in Spanish than in English. A naive dub either races to catch up or drifts out of sync by the end of a paragraph. WavBoost times each segment against the original and adjusts phrasing rather than speed, so a ten-minute English video stays ten minutes without your clone sounding rushed.
Same length as the original
Machine translation gets product names, brand terms and technical vocabulary wrong, and Spanish gives it more room to go wrong than most languages. Every segment is editable before the voice is generated: change the wording, nudge the timing where a longer Spanish line needs more room, then regenerate. You're not stuck with whatever came out of the first pass.
Edit any segment
native speakers across Latin America, Spain and the United States, the second-largest native-speaker base of any language.
Source: Instituto Cervantes, El español en el mundo
Go from a English video to a Spanish track you can publish.
MP4, MOV, MP3 or WAV. The voice is cloned from the audio already in it.
Edit the wording and the timing of any segment, then regenerate until it lands right.
The dubbed video, or the Spanish audio on its own to add as a second track.
What creators and localization teams ask before their first Spanish dub.
Standard neutral Spanish, which avoids regional slang and works for audiences across Latin America and Spain. It's the same register used for Spanish-language broadcast and dubbing, so a single track reaches every Spanish-speaking market rather than only one country.
Your voice is cloned from the original audio, so the Spanish track keeps your timbre, pacing and emotional tone. It's your voice speaking Spanish, not a stock narrator reading a translation.
Edit it. The translated text is fully editable before the voice is generated, which matters for product names, brand terms and anything technical. Change the wording and regenerate the job.
Yes. Segment timestamps are editable alongside the text, so you can give a longer Spanish line more room or pull a line back to land on a cut. Regenerate once the timing is where you want it.
Each segment is timed against the original rather than translated in one block, so the audio doesn't drift across a long video or speed up to catch the next cut. Where a specific line still needs adjusting, you can move the timestamps yourself and regenerate.
Yes. Download the dubbed audio on its own and add it through YouTube's multi-language audio feature, which serves Spanish-speaking viewers your Spanish track automatically while keeping the original video.
Yes. Audio and video generated through WavBoost are cleared for commercial use, including monetized YouTube and social channels.
No credit card required. First video free.
