A listening study book from your own text

Your sentences become an audio study eBook.

Paste text or upload a TXT file, choose the language you want to study, and VoiceLeaf prepares the translation. Add natural audio and download an EPUB designed for Apple Books on iPhone and iPad.

Download sample EPUB

You will see the estimated price and file size together before payment.

VoiceLeaf Sample Your language → English

01. Small steps can change tomorrow.

Small steps can change tomorrow.

Normal

02. Practice makes each sentence easier.

Practice makes each sentence easier.

Normal

TXT input AI translation TTS audio EPUB download

Step 1 · Text

Add the sentences you want to study

Choose a title and the source language, then paste text or upload a TXT file.

Book title Source language Choose the language used in your document or input. Audio can be created only from the input language or the translation language. TXT Choose or drop a TXT file Source text

Step 2 · Review

Check how your text was split

Confirm that the source language and sentence breaks look right before choosing translation and audio.

Sentences -

Normal audio estimate -

Slow audio estimate -

Estimated TTS calls -

Estimated EPUB size -

Estimated volumes -

Sentence Preview

No sentences analyzed yet.

Step 3 · Translation

Would you like a translation?

Turn this on when you want the EPUB to show the translated sentence next to the original.

Add translation Gemini translation Translation language

Step 4 · Audio

Add the audio your learner will actually use

Normal audio is good for listening practice. Slow audio is useful for shadowing and repeat reading.

Normal-speed audio Charon, gemini-2.5-flash-tts Audio language

Slow audio Kore, gemini-2.5-flash-tts Audio language

Add full-playback MP3 Adds a combined audio bar at the top of the EPUB. File size can increase significantly.

Step 5 · Final check

Review the price, file size, and usage notices

An estimate appears after analysis.

Base EPUB -

Estimated total -

After analysis, estimated EPUB size and volume count will appear.

After analysis, option pricing will be calculated.

Choose settings to see the generation conditions.

Source language: -
Translation: -
Normal audio: -
Slow audio: -
Full playback: -
Estimated size: -
Estimated volumes: -
Supported reader: Based on iPhone/iPad Apple Books

If you choose the wrong source, translation, or audio language, the result may not be correct.

Supported reader

Tested primarily with Apple Books on iPhone/iPad.
Audio playback is not guaranteed on Android, Google Play Books, or other EPUB readers.
Known unsupported-reader issues are generally not refund reasons.

Content rights

Upload only material you own or have permission to convert.
You are responsible for sharing, selling, or distributing generated EPUBs.
The service is a tool that converts text provided by the user.

Before purchase

Because files are custom-made, simple change-of-mind refunds may be limited after generation completes.
If a system error prevents generation, reprocessing or refund handling applies under the refund policy.
Review the Refund Policy and Terms before payment.

I have the right to convert the uploaded material and will use the output within a personal or permitted scope. I have reviewed the final settings, supported reader scope, and refund exclusions.

Step 6 · Payment and build

Complete payment and wait for your EPUB

Generation starts only after the server verifies the confirmed payment amount.

Waiting

Enter sentences to start analysis.

Generate translations
Generate audio
Build EPUB

Step 7 · Download

Your study book is ready

Download it before the secure link expires, then open it in Apple Books.