AI Voiceover Generator — Hear It Before You Commit
Nine voices, 4,000 characters a generation, and the one thing the rest of this category cannot do — you do not need a finished script. Describe the piece and the words get written before they are spoken.
An AI voiceover generator converts a written script into spoken audio using synthetic voices, so you can put narration on a video, advert, course or presentation without booking a voice actor or recording yourself. You choose a voice, supply the words, and download an audio file for your edit. The two things that actually differ between tools are how much text you can convert at once and whether you need finished copy to start. Here it is 4,000 characters per generation, and no — a description of the piece is enough.
15 free credits on signup — enough for one complete track with cover art. No card required.
Eight Kinds Of Voiceover, Eight Different Reads
"Voiceover" covers jobs with almost nothing in common. Each of these has its own page here with prompts and voice guidance written specifically for it.
Video & explainer
AlloyNeutral and even, so the narration disappears behind the thing being explained. The most common request by a distance.
Commercial & ad read
NovaBright enough to carry thirty seconds without flattening. Written to a word count, because the slot is fixed.
E-learning & training
SageCalm and measured, and re-recordable one sentence at a time when the course material changes.
Documentary narration
OnyxWeight without performance. Sparse by design — write only what the pictures cannot say.
Podcast segments
EchoIntros, outros and sponsor reads that stay identical across every episode and every season.
Phone systems & voicemail
CoralWarm on a compressed phone line, where anything expressive turns to mush.
Social & short-form
NovaReels, Shorts and TikTok, written assuming half the audience has the sound off.
Story & audiobook excerpts
FableExpressive and warm, with enough colour to hold a passage without tipping into performance.
How to Generate a Voiceover in 3 Steps
The word count is the brief. Everything else follows from it.
Write to the runtime, or hand over the brief
About 150 words a minute — so 70 words for a 30-second read. Or skip the copy entirely and describe the piece and its audience, and let the script get written first.
Pick the voice that matches the job
Neutral for explainers, bright for ads, deep for trailers, calm for courses. Nine voices with distinct jobs rather than hundreds of near-identical ones to audition.
Time it against the picture, then download
Play it over your rough cut and check it fits before you commit. Download the uncompressed WAV on a paid plan when the copy is final.
Count The Words Before You Write Them
Almost every voiceover problem is a length problem. Copy that reads well on a page runs twenty seconds long over picture, and you only find that out by hearing it.
“In this video we are going to be taking a look at some of the different ways that you can go about setting up your account for the first time.”
“Setting up your account takes two minutes. Here is all of it.”
“Our company has been providing high-quality services to customers throughout the region for more than twenty-five years now.”
“Twenty-five years. Same town. Same family. Still answering the phone ourselves.”
“It is important to remember that you should always check your settings before you begin the process.”
“Check your settings first. It saves undoing all of this later.”
Character Limits Are How This Category Is Priced
It is worth knowing what you are comparing. Voiceover tools mostly compete on catalogue size in their headline and then quietly meter you on characters — free tiers around a thousand, top paid tiers around two and a half thousand. Ours is 4,000 per generation on every plan, including the credits you get free at signup. Fewer voices, more text, and no requirement to arrive with a finished script.
- 4,000 characters per generation, including on free signup credits
- Bring a brief instead of a script and have the copy written first
- Nine voices with stated jobs, not three hundred to audition
- Uncompressed 24 kHz WAV, and full commercial rights on paid plans
- Honest limits: no accents, no voice cloning, no SSML
Briefs, Not Just Scripts
Paste finished copy if you have it — otherwise any of these is enough to start from.
Product explainer
“A ninety-second explainer for a budgeting app aimed at people who have never used one, second person, no jargon, covering setup, linking an account and the first weekly summary”
Thirty-second ad
“A seventy-word radio read for an independent bike shop offering free winter servicing, friendly rather than salesy, ending on the address and opening hours”
Course module
“A calm four-minute narration introducing a module on giving feedback at work — why it goes wrong, three things to do instead, and what to say when it lands badly”
Company video
“A steady two-minute internal narration explaining a new expenses process, what changes, when it starts, and where to find the form. Plain, no enthusiasm”
Social short
“A forty-word voiceover for a thirty-second Reel about three mistakes people make repotting houseplants, punchy, one mistake per sentence”
Scratch track
“A rough read of my draft narration so I can lay it under the cut and hear whether the copy is too long before I book anyone”
Who Generates Voiceover Here
Video editors & creators
Narration cut into a timeline as uncompressed WAV, or a scratch track before a session.
Marketers & small businesses
Ad reads and product videos timed to the slot, with commercial rights included.
Course & training teams
Module narration that can be corrected a sentence at a time as content changes.
Podcasters
Intros, outros and sponsor reads in a voice that never drifts between episodes.
What You Get
24 kHz WAV
16-bit mono, uncompressed, straight into an edit or a phone system.
The script, saved
Cut four words to make the runtime and generate again immediately.
Nine voices
Swap and regenerate to hear the same copy land differently.
Share link
Send a read to a client for sign-off without them creating an account.
Frequently Asked Questions
Mostly about limits and licensing, which is what actually differs between these tools.
How much text can I convert at once?
4,000 characters per generation — roughly 650 words, or about four minutes of speech. That is worth checking against whatever else you are considering, because character limits are how most voiceover tools are actually priced: it is common to find a free tier capped at 1,000 characters and a top paid tier at 2,500. Ours is 4,000 on every generation, including the ones your free signup credits pay for.
Is it really free, and is there a catch?
The catch is stated plainly: you get 15 credits on signup with no card, a voiceover costs 10 credits, so your free balance covers one complete generation. You can play it back and share a public link for free. You cannot download the file until you are on a paid plan, which starts at $15 a month for 250 credits — about 25 voiceovers. So the free tier is genuinely for hearing whether the voice and the script work, not for producing finished assets.
Do I need to write the script first?
No, and this is the main thing that separates it from the rest of this category. Every other voiceover generator needs finished copy before it can do anything. Here you can describe the piece instead — "a ninety-second explainer for a budgeting app aimed at people who have never used one" — and the script gets written before it is spoken. If you do have copy, paste it and it gets read as written.
Can I use it as a scratch track before hiring a voice actor?
Yes, and it is one of the more sensible uses. Laying a generated read against your rough cut tells you two things a written script never will: whether the copy fits the picture, and whether it fits the runtime. Fixing that before a session means you are not paying a voice actor to read something you are about to cut by fifteen seconds. Plenty of people use it exactly this way and then still book a human for the final.
How do I control the length of the voiceover?
Through word count, because there is no length slider. Roughly 150 words is a minute at natural pace, so a 30-second read is about 70 words and a two-minute explainer is about 300. Write to the count, generate, and time the playback against a stopwatch. This is the single most common thing people get wrong, and hearing it is the only reliable fix.
Which voice should I pick?
There are nine, and each has an obvious job rather than being one of three hundred near-duplicates. Alloy is neutral and even for explainers. Nova is bright for ads and social. Coral is warm for greetings and local business. Sage is calm for meditation and courses. Shimmer is soft for sleep content. Ash is clear and direct for tutorials. Echo is steady for corporate. Fable is expressive for stories. Onyx is deep for trailers and documentary.
What file do I get, and can I use it commercially?
A 16-bit mono WAV at 24 kHz — uncompressed, so your video export is not re-encoding an already-compressed file. Paid plans carry full commercial usage rights with no attribution requirement and no usage window, which covers client work, monetised video and paid advertising.
Can it do accents, voice cloning, or emphasis tags?
None of the three. There is no accent selection — all nine voices are English-native. There is no voice cloning and no sample upload. And SSML is not implemented, so there are no pause, emphasis or speed tags; punctuation is your only pacing control. If any of those are essential to your brief, this is not the right tool and it is better to know now.
Voiceover Tools By Job
Each of these has its own prompts, voice guidance and worked examples.
Bring The Brief. Skip The Script.
4,000 characters a generation, nine voices, and copy written for you if you only have the idea. Free to start — 15 credits, no card.