AI voice-overs for every format
Every page below walks through one concrete workflow — script to finished audio — with a live demo you can hear before signing up.
Choose what you’re making
Open a use case to see its production steps, practical features, live voice demo, and factual pricing proof.
Use case
Faceless YouTube channels
Run a faceless channel without recording a word: write scripts in-app, batch-generate voice-overs from CSV, and download YouTube-ready audio with captions.
4-step workflow · Live demo
Use case
Video ads
Generate ad voice tracks in minutes and test hooks at scale: one CSV row per variant, consistent delivery across every cut, and refunds for any row that fails.
4-step workflow · Live demo
Use case
Product demo videos
Narrate product walkthroughs with a voice that never drifts between releases: pronunciation rules for product names, captions included, updates re-voiced fast.
4-step workflow · Live demo
Use case
Online courses
Turn lesson scripts into caption-ready narration: hour-long modules stitched seamlessly, technical terms pronounced your way, SRT included on every plan.
4-step workflow · Live demo
Use case
Podcasts
Turn show notes into podcast-ready narration: long episodes stitched cleanly, podcast loudness levels, captions for clips, and season batch production.
4-step workflow · Live demo
Use case
Audiobooks
Upload a DRM-free EPUB, PDF, Word or text book, review the chapters, and download an M4B audiobook with chapter markers, read by one consistent narrator.
4-step workflow · Live demo
Use case
Voice-over
General-purpose AI voice-over for explainers, corporate reads, trailers, and client work: long scripts, paragraph re-edits, bulk CSV, and captions.
4-step workflow · Live demo
Use case
Multi-voice dialogue
Write a script with a speaker name on each line, give every speaker a voice, and get the whole conversation back as one MP3 with SRT captions.
4-step workflow · Live demo
Free voice-over calculators
Time a script, find the pace it needs and fix its subtitle file before you generate. They run in your browser and need no account.
Free tool
Script to audio length
Paste a script to see how long the voice-over runs at a slow, normal or fast pace, its word and character count, and which ToneCraft plan covers it.
Runs in your browser · No sign-up
Free tool
Words per minute
Find the words per minute a script needs to fit a target length, or how long it runs at a set pace, with typical ranges for ads, explainers and audiobooks.
Runs in your browser · No sign-up
Free tool
SRT converter with offset
Convert SRT to VTT or VTT to SRT and shift every timestamp by milliseconds or seconds in one step. Runs in your browser — nothing is uploaded.
Runs in your browser · No sign-up