Not all "free" AI text-to-speech tools let you use the generated audio in monetized content. Before using any free TTS output in a YouTube video, podcast, paid course, or advertisement, verify the tool's commercial use policy.
Tools That Explicitly Allow Commercial Use
VoiceAI Free
All audio generated on VoiceAI Free may be used for commercial purposes without attribution. Monetized YouTube videos, paid ads, podcast sponsorships, and paid courses are all permitted.
TTSMaker
TTSMaker's terms explicitly state that all generated audio, including on the free tier, may be used for commercial purposes without attribution.
ElevenLabs (Free Tier)
ElevenLabs allows commercial use on all plans including free. The 10,000-character monthly limit applies, but the audio may be used in monetized content.
Fliki
Commercial use is allowed on Fliki's free plan (5 minutes per month). Note: free-tier videos include a Fliki watermark in the video, though the audio track itself is clean.
Tools With Restricted Commercial Use
Murf AI
Murf requires a paid plan for commercial use. Their free tier is explicitly for "personal and evaluation purposes only."
Speechify
Commercial use is restricted on Speechify's free plan. The audio generated is for personal listening only.
Natural Reader
The free version of Natural Reader allows personal use only. Commercial use requires a paid plan.
What Counts as "Commercial Use"?
Most TTS providers define commercial use as any content that generates direct or indirect revenue, including: monetized YouTube videos, sponsored podcast episodes, paid online courses, advertisements, and promotional videos for businesses.
If in doubt, email the tool's support team before publishing commercial content with their audio. Terms can change.
Safest choice: VoiceAI Free and TTSMaker both have explicitly commercial-friendly free tiers with no hidden restrictions.
✓ Commercial use included, always free
VoiceAI Free allows commercial use at no cost, no attribution required.
Try VoiceAI Free →