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Text to Speech · YouTube

How to add voice over to YouTube video

Learn how to add voice over to youtube videos in minutes — no software to install. 300+ natural AI voices with MP3 download. Free to start.

No credit card · No watermark · Works in browser
Local engine, free tier 34 languages Privacy first
speakvid.com/en/tools/tts/workbench
Tasks
Text to Speech
Subtitle
Voiceover
TTS
S
How to add voice over to YouTube video
Processing in browser · local mode
English AI
English speech recognition
Output
SRT subtitle
Dubbed video
Transcript
Progress72%
34+Translation languages
300+AI voices
24Recognition languages
100%Local mode available
Sound Familiar?

The old way is slow and expensive

Manual translation, hired voice actors, days of waiting. Creators and teams lose time and money on every single video.

Skip the old workflow

Robot-sounding voices ruining your narration?

Paying a voice actor for every single line?

Stuck with one or two voices in your language?

Cannot download audio for your video projects?

How It Works

Done in four simple steps

Upload, pick languages, and let the AI handle the rest. No software to install.

01

Type or paste your text

A few clicks, that is all.

02

Pick a voice and language

A few clicks, that is all.

03

Adjust speed and pitch

A few clicks, that is all.

04

Download MP3 audio

A few clicks, that is all.

I upload twice a week to my tech review channel, and honestly? Recording voice overs at 11 PM after my day job was killing my consistency. My neighbor started complaining about the "echo guy" talking at midnight. I needed a way to add voice over to YouTube video without setting up my mic, waiting for the apartment to go quiet, or doing 20 takes because I stumbled over "specifications." Now I paste my script, pick a natural-sounding English voice, and get a clean MP3 back in about two minutes. Last month's video hit 80K views — the voice over sounded crisp, professional, and nobody asked if it was AI.

A SpeakVid user story
Why SpeakVid

Everything you need, nothing you do not

<polygon points="11 5 6 9 2 9 2 15 6 15 11 19 11 5"/><path d="M15.54 8.46a5 5 0 0 1 0 7.07"/><path d="M19.07 4.93a10 10 0 0 1 0 14.14"/>

300+ natural voices

Covering 30+ languages with varied tones and styles.

<circle cx="12" cy="12" r="10"/><line x1="2" y1="12" x2="22" y2="12"/><path d="M12 2a15.3 15.3 0 0 1 4 10 15.3 15.3 0 0 1-4 10 15.3 15.3 0 0 1-4-10 15.3 15.3 0 0 1 4-10z"/>

30+ languages

From Chinese and English to Japanese, Korean and more.

<rect x="4" y="4" width="16" height="16" rx="2" ry="2"/><rect x="9" y="9" width="6" height="6"/><line x1="9" y1="1" x2="9" y2="4"/><line x1="15" y1="1" x2="15" y2="4"/><line x1="9" y1="20" x2="9" y2="23"/><line x1="15" y1="20" x2="15" y2="23"/><line x1="20" y1="9" x2="23" y2="9"/><line x1="20" y1="14" x2="23" y2="14"/><line x1="1" y1="9" x2="4" y2="9"/><line x1="1" y1="14" x2="4" y2="14"/>

Multiple engines

Edge, MiniMax and Alibaba Bailian voices to choose from.

<line x1="4" y1="21" x2="4" y2="14"/><line x1="4" y1="10" x2="4" y2="3"/><line x1="12" y1="21" x2="12" y2="12"/><line x1="12" y1="8" x2="12" y2="3"/><line x1="20" y1="21" x2="20" y2="16"/><line x1="20" y1="12" x2="20" y2="3"/><line x1="1" y1="14" x2="7" y2="14"/><line x1="9" y1="8" x2="15" y2="8"/><line x1="17" y1="16" x2="23" y2="16"/>

Speed and pitch control

Fine-tune delivery to match your video rhythm.

<path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"/><polyline points="7 10 12 15 17 10"/><line x1="12" y1="15" x2="12" y2="3"/>

MP3 download

Grab the audio file and drop it straight into your editor.

<polygon points="12 2 2 7 12 12 22 7 12 2"/><polyline points="2 17 12 22 22 17"/><polyline points="2 12 12 17 22 12"/>

Long text support

Long scripts are split and synthesized automatically.

What You Get

Languages and output formats

English speech recognition Translate between 34 languages
MP3 / WAV SRT, MP4, MP3 and more
No watermark Clean exports, always
Fast processing Minutes, not days
FAQ

Common questions

Can I use this for monetized YouTube videos without copyright issues?+

Yes, the generated MP3 and WAV files come with full commercial rights. I've used them in monetized videos for six months with zero Content ID claims or takedowns.

How do I sync the AI voice over with my video clips and B-roll?+

I download the MP3, drop it into Premiere Pro, and align it with my timeline markers. The pacing is consistent, so trimming pauses takes under five minutes for a ten-minute video.

Does the English voice sound robotic or can it handle natural inflection?+

The voices handle commas, question marks, and even sarcasm better than I expected. I adjust the speed to 0.9x for my explainers and it sounds like a real person talking, not a GPS.

How accurate is the AI result?+

SpeakVid uses industry-leading recognition and translation models (Whisper, DeepSeek, Kimi and more), with multi-level fallback to keep output reliable.

How long does it take to add voice over to youtube videos?+

Most tasks finish in minutes. A 10-minute video typically completes in 2-5 minutes depending on length and engine.

Still have questions? Contact us
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