Free AI Tools
Powered by LeanVox TTS & STT APIs. No signup required.
PDF to Audiobook
Convert any PDF into a natural-sounding audiobook. Multi-page support, 8 languages, chapter detection.
Free: 1 page · 8 voices · Instant
Subtitle Generator
Generate SRT/VTT subtitles from audio or video files. Speaker detection, inline editing, paste URL support.
Free: 2 minutes · Speaker labels · Download SRT/VTT
Voice A/B Tester
Compare AI voices in a blind test. Listen to two voices, vote for your favorite. 238+ voices to explore.
Free: Unlimited · Blind test · Vote & reveal
All tools powered by the LeanVox API. Build them into your own app →