How can I use a custom voice on TikTok?
The most reliable way is to make the voiceover outside TikTok and bake it into your video before you upload. Generate the voice with Speechma Pro’s TikTok voice generator, download the MP3, combine it with your footage in a video editor, export, and upload the finished video to TikTok. This works with any voice, accent or language you choose, and the result looks and sounds the same on every device.
Why not use TikTok’s own tools? TikTok’s editor lets you record a voiceover with your mic (Sound › Voiceover) and add sounds from its library, and it has a small set of text-to-speech voices. But if you want a specific narrator, say, a calm British voice for book reviews, a deep movie-trailer voice for a reveal, or a Spanish voice for a bilingual audience, making it in Speechma Pro gives you 1,900+ voices in 75+ languages and locales.
Step-by-step: add a custom AI voice to your TikTok
- Write a hook-first scriptLead with the most interesting line. Keep 15–30 second videos to about 40–75 words. Example: “Three things I wish I knew before moving to Phoenix; number one will surprise you!”
- Choose your custom voiceIn Speechma Pro, filter by language and country and preview voices. For something unique, describe a new voice in Voice Design, or clone your own voice with Voice Cloning.
- Tune it for short-formIn Voice Effects, try slightly faster speed for energy. Use exclamation marks for punchy beats and commas for quick breaths.
- Generate and downloadClick Generate Audio and download the MP3 to your phone or computer.
- Combine voice and video in an editorImport the MP3 into CapCut, iMovie or Canva, place it under your clips, split it at each sentence and line it up with your cuts and captions.
- Export and upload to TikTokExport the video, then in TikTok tap the Upload button, choose your video and tap Next. Use the edit tools for text, stickers and effects.
- Add a background sound (optional)From the editing screen, tap Sound and Add sound to pick a track. Keep it quiet under your voice so the narration stays clear.
Which custom voice fits your TikTok niche?
| Niche | Voice idea | Speechma Pro tool | Speed |
|---|---|---|---|
| Storytime / Reddit stories | Warm narrator, US English | Text to Speech | Default |
| BookTok reviews | Calm British voice | Text to Speech | Default |
| Product reveals / unboxing | Deep trailer-style voice | AI voices or Voice Design | Slightly slower for drama |
| Comedy skits | Cartoon or character voice | Voice Design | Varies by character |
| Bilingual content | Native Spanish or Tagalog voice | Text to Speech | Default |
| Personal brand | Your own voice | Voice Cloning | 0.8×–1.25× |
Text to speech reads up to 10,000 characters per conversion; cloned and AI character voices read up to 10,000 characters, which is plenty for a TikTok.
Example: a 20-second TikTok script with a custom voice
Here’s a script for a small Etsy candle shop, written for a warm US voice at slightly faster speed:
“POV: you just lit the candle that smells exactly like a Vermont cabin in October! Cedar, a little smoke, and a hint of maple. It burns for about fifty hours; yes, fifty. Link’s in bio, and the fall batch is almost gone.”
The exclamation mark gives the hook energy, commas create quick breaths through the scent notes, and the semicolon adds a playful pause before “yes, fifty.” Generate it, lay it under four or five product shots in your editor, add captions, and you have a polished TikTok without saying a word yourself. Want the same ad in Spanish for a second audience? Paste a translated script and pick a native Spanish voice.
Troubleshooting custom voices on TikTok
- The voice is hard to hear over the music. Lower the added sound’s volume in TikTok, or mix the music quieter in your editor before uploading.
- My video got muted after posting. That usually relates to copyrighted music, not your voiceover. Use sounds from TikTok’s library or no-royalty tracks such as those from our no-royalty music generator.
- Captions don’t match the voice. Generate captions after the voice is in place, or transcribe your MP3 with Speech to Text with per-sentence timestamps.
- The voice sounds rushed. Shorten the script instead of cranking up speed.
- I want to sound like a celebrity. Don’t clone real people without permission. Use Voice Design to create an original character voice instead.
Be transparent with AI content
TikTok asks creators to label realistic AI-generated content, and offers an AI-generated content setting when you post. If your video uses a cloned voice or presents synthetic audio as real, turn on the label. Never use a voice to impersonate someone or mislead viewers; see our AI voice ethics policy.
Frequently asked questions
Can I use a different voice than TikTok’s text-to-speech voices?
Is the Speechma Pro TikTok voice included in Speechma Pro?
Can I upload my own MP3 directly into TikTok?
Can I use my own voice as a TikTok AI voice?
Do I need to label AI voices on TikTok?
Which voice is most popular for TikTok narration?
Make better voiceovers, faster
- New voices and features the day they launch
- Script templates and tricks that make AI voices sound human
- Creator stories, community picks and early access