TTSFree AI User Guide
Step-by-step walkthroughs and practical tips to help you get the most out of TTSFree AI, from first setup and basic conversions to more advanced workflows and voice customization.
Product Instructions
-
How to change the AI voice’s speed, pitch, or volume
August 20, 2026
Learn how to adjust the speed, pitch, and volume of any AI voice in TTSFree AI. This short guide shows you how to fine-tune a voice for a single paragraph or apply the same settings across an entire document.
-
How to convert EPUB to MP3 with ease
August 19, 2026
Learn how to turn an EPUB ebook into MP3 audio with natural AI voices using TTSFree AI. This guide walks you through setting the output format, importing the file, choosing a voice, converting the document, and finding the finished MP3 files.
-
How to convert PDF to audio with natural AI voices
August 19, 2026
Learn how to turn any PDF into natural-sounding audio with TTSFree AI. This guide shows you how to import a PDF, choose an AI voice, convert the document, and find the finished audio files on Windows or Mac.