Converters
Chapters detected automatically
Any PDF with selectable text, turned into chapters you can play.
Structure kept from the file
The book's own chapters, carried into the audiobook.
Front matter hidden, quota spent only on chapter 12
Skip the preface. Convert the chapter you were assigned.
Free calculators
No signup, runs in your browser
Free every month, no signup
Paste text, pick a voice, download the audio.
Free calculator, no signup
What 1.5× actually saves, and when you'll finish.
How long your words run spoken, read, or narrated.
Counted on your device, file never leaves your browser
Words, pages, and listening time. Never uploaded.
Paste text, or count by words or pages.
Free test with comprehension questions, no signup
Timed passage, comprehension check, your real WPM.
Free, no signup, the whole guide visible
Notes in — objectives, terms, and self-test questions out.
Upload a file you already own and hear a full chapter before deciding anything. No card required.