Bionic Markdown Preview

A Free Productivity Tool for Developers and Writers

What is Bionic Markdown Preview?

Bionic Markdown Preview is a free, open-source productivity and accessibility tool designed to help developers, writers, and professionals read Markdown documents faster and with improved focus.

The tool uses bold text highlighting on the beginning of words to create artificial fixation points, helping your eyes flow through text more efficiently.

Key Features

  • Real-time Markdown preview with syntax highlighting
  • Adjustable bold highlighting intensity
  • Multiple gradient reading themes for reduced eye strain
  • Dark and light mode support
  • Multi-language interface (English, Chinese, French, Japanese)
  • Available as a web app, VS Code extension, and Chrome extension

Who Is This For?

  • Software developers reviewing documentation
  • Technical writers editing content
  • Students studying technical material
  • Professionals who read large amounts of text daily
  • Anyone seeking accessibility tools for reading

Privacy & Security

This tool runs entirely in your browser. No data is collected, stored, or transmitted to any server. Your documents remain completely private.

Bionic

Markdown Editor
58 lines | 1218 chars
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
 
Preview

Welcome to Bionic Markdown Preview

This editor combines Markdown editing with Bionic preview to help you read faster and with better focus.

What is Bionic Preview?

Bionic preview guides the eyes through text by emphasizing the initial letters of words. This helps your brain complete words faster, resulting in:

  • Faster reading speeds
  • Better comprehension
  • Reduced eye strain
  • Improved focus

How to Use

  1. Type your Markdown in the left panel
  2. See the live Bionic preview in the right panel
  3. Toggle Bionic preview ON/OFF using the button in the toolbar
  4. Adjust settings like bold amount using the settings panel

Markdown Features

You can use all standard Markdown features:

Text Formatting

  • Bold text for emphasis
  • Italic text for style
  • Strikethrough for deletions

Code

Inline code looks like this.

// Code blocks are not affected by Bionic preview
function greet(name) {
  return `Hello, ${name}!`;
}

Blockquotes

“The only way to do great work is to love what you do.”
— Steve Jobs

Lists

  • Item one
  • Item two
    • Nested item
    • Another nested item
  • Item three

Start editing to see the magic happen!