Does it really improve reading speed?

It varies individually, but many users report faster reading. Some research suggests it is especially effective for people with dyslexia or ADHD.

Does it work with Japanese?

For Japanese, the first characters of words are bolded. The effect may not be as pronounced as in English, but it adds visual accents for readability.

What output formats are available?

Output in plain text (bold in Markdown) and HTML format. HTML can be pasted directly into web pages.

All processing happens in your browser. No data is sent to any server.

Bionic Reading Converter

Convert text to Bionic Reading format by bolding the beginning of each word for faster reading. Adjust bold intensity and export as HTML.

Enter Text

Bold Intensity

Share this tool

📖

How to Use

Step 1

Enter Text

Enter or paste the English or Japanese text you want to convert

→

Step 2

Adjust Settings

Adjust the bold character ratio and font size

→

Step 3

Use Result

Copy the Bionic Reading text or save it as HTML

✨

Features

Bold Ratio Adjustment

Freely customize the ratio of bold characters in each word

Multi-Language Support

Supports not only English but also Japanese text

HTML Output

Export the converted result as HTML for use elsewhere

❓

FAQ

Bionic Reading is a typography method that bolds the beginning of each word to create eye guide points and improve reading speed.

🔗Related Tools

📝

Text Tools

Character Counter

A simple tool to count characters in your text. Supports word, line, and paragraph counting, plus space exclusion.

✨

Text Tools

Special Characters

Copy frequently used special characters with one click. Arrows, math symbols, currency, and more.

😊

Text Tools

Emoticons

Copy cute emoticons with one click. Rich variations for emotions, greetings, actions, and more.

🔤

Text Tools

Case Converter

Convert text case in bulk. Supports UPPER, lower, camelCase, snake_case, kebab-case, and 10 more formats.

🔍

Text Tools

Find and Replace

Search for strings in text and replace them in bulk. Supports case sensitivity and regex pattern matching.

📑

Text Tools

Duplicate Line Remover

Automatically detect and remove duplicate lines from text. Options for case sensitivity and trimming whitespace.