Personal Online

NaturalReader transforms text, PDFs, and over 20 file types into audible speech, enabling you to access your documents, e-books, and educational resources whenever and wherever you desire.

Cross Platform Compatibility

One account, all of NaturalReader

Online App

Drag and drop your files, including PDFs and images, and listen in-app or convert to mp3 files.

Mobile App

Listen on the go or while multi-tasking

Chrome Extension

Listen to emails, news, articles, and Google Docs directly from the webpage

More on Personal Online

Commercial Studio

Utilize text-to-speech technology to effortlessly transform and acquire audio files, which are authorized for deployment on YouTube, eLearning systems, and any other public usage or distribution objectives.

EDU For Students and Teachers

Add members through email or class code, share documents to a class, and manage or delete classes and members

Learn About EDU

I discovered NaturalReader after hearing that it was possible to have the text from the computer read aloud to you. I have Aspergers' Syndrome, which is an autistic spectrum learning difficulty. I use NaturalReader to read aloud passages from ebooks I have bought, PDF documents, and webpages with lots of text, and to read back to me things I have typed to 'hear them'. This helps me greatly as although I am a visual/kinetic learner, words are not pictures. NaturalReader allows me to hear all the text I would otherwise have had to read on the screen, allowing me to create a mental image of what I am hearing, this helps me process and have a better retainment of information.

Azo Dye -

The defining feature of an azo dye is the azo linkage connecting two aromatic fragments, typically aryl groups. This arrangement creates an extensive , which allows the molecule to absorb energy in the visible light spectrum (400–800 nm), resulting in intense, stable colors.

: The diazonium salt acts as an electrophile, reacting with an electron-rich nucleophile (like a phenol or another aromatic amine) to create the final azo bond. Industrial and Biological Applications

The synthesis of these dyes usually involves a two-step process:

: An aromatic amine reacts with nitrous acid at low temperatures to form a diazonium salt .