Free Amazon KDP Description HTML Formatter 2026 | Kidillus Tools
KDP Tool

KDP Description HTML Formatter

Convert your book description to Amazon KDP-safe HTML — with rich text editor, live Amazon preview, byte counter, and one-click copy. No coding needed.

Live Amazon Preview Auto Sanitized Byte Counter Templates 100% Free
0
Bytes Used
4000
Bytes Left
0
Word Count
✓ Ready
KDP Status
Byte Usage 0% of 4,000 bytes
Rich Text Editor
📚 Children's Picture Book Ages 3–7 • Colorful & engaging
📖 Chapter Book Ages 7–12 • Adventure & mystery
🧸 Board Book Ages 0–3 • Simple & playful
📘 Non-Fiction / Guide How-to & educational books
📓 Novel / Fiction General fiction template
Ctrl+B Bold  ·  Ctrl+I Italic  ·  Ctrl+Z Undo 0 words
Generated KDP HTML
KDP sanitized — unsafe tags auto-removed
0 bytes
Advertisement
amazon.com/dp/B0XXXXXXXXX
Live Preview
Your Cover
Your Book Title
by Your Name
★★★★★ 4.9 (128 ratings)
Product Description
Start typing your description to see the Amazon preview
Amazon KDP Allowed HTML Tags
All other tags are automatically stripped when you copy. Your HTML is always KDP-safe.
<b>
Bold
Makes text bold. Use for key phrases.
<i>
Italic
Makes text italic. Good for book titles in text.
<em>
Emphasis
Same as italic. Semantic emphasis tag.
<u>
Underline
Underlines text. Use sparingly.
<h1>–<h6>
Headings
All heading levels supported. H4–H6 recommended.
<p>
Paragraph
Standard paragraph block. Adds spacing between sections.
<br>
Line Break
Adds a single line break. No closing tag needed.
<ul> <ol>
Lists
Unordered (bullets) and ordered (numbered) lists.
<li>
List Item
Each item inside a ul or ol list.
<div>
Block ❌
Not allowed. Auto-removed by our sanitizer.
<span>
Inline ❌
Stripped. Use <b> or <i> instead.
style=""
Inline CSS ❌
All style attributes are stripped by Amazon.
Amazon KDP Description Rules
Violating these rules may cause KDP to reject your description or flag your account.
Phone numbers, email addresses, or external website URLs
Pricing information (e.g., "Only $9.99!")
Time-sensitive claims (e.g., "On sale this week only")
Requests for customer reviews or star ratings
Major story spoilers that ruin the reading experience
Offensive, misleading, or unrelated content
Bold the first hook sentence to grab attention
Use bullet lists for features or what kids will learn
End with a clear call-to-action ("Perfect for bedtime reads")
Keep under 4,000 bytes — our counter tracks this live
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How to Format Your Amazon KDP Book Description with HTML

Your Amazon KDP book description is one of the most powerful marketing tools you have — but most authors use plain text and miss out on the visual hierarchy that makes top-selling books stand out. This free formatter lets you add bold text, headings, bullet lists, and more without any coding knowledge.

Why HTML Formatting Matters

Plain text descriptions look identical to thousands of other books. A well-formatted description with bold hooks, clear structure, and bullet lists increases conversion rates by making your listing easier to scan quickly.

How to Paste into KDP

After copying your HTML, go to your KDP book page → Edit book details → Scroll to "Book Description" → Delete existing text → Paste the raw HTML code → Save. Amazon renders it automatically.

Best Practices for Amazon Book Descriptions

1. Start with a Bold Hook

The first sentence is the most important. Wrap it in <b> tags to make it stand out. Example: "What if bedtime wasn't boring — it was the best adventure of the day?" This immediately creates curiosity and draws parents in.

2. Use H4–H6 Headings for Section Breaks

Amazon's description field renders all heading levels, but H4, H5, and H6 look most proportionate on the product page. Use them to create clear sections like "What Your Child Will Learn" or "Perfect For".

Pro Tip:

Study the descriptions of bestselling books in your category on Amazon. Notice how they use bold, lists, and short paragraphs. Our tool helps you replicate that structure in minutes.

3. Bullet Lists Convert Better

Parents browsing Amazon are scanning, not reading. A bullet list of benefits — "Teaches counting from 1–10", "Full-color illustrations", "Rhyming text for read-aloud" — communicates value faster than long paragraphs.

4. Keep It Under 4,000 Bytes

Amazon's hard limit is 4,000 bytes. HTML tags count toward this limit. Our live byte counter turns red if you exceed it so you always know exactly where you stand.

Frequently Asked Questions

How do I format my Amazon KDP book description?

Type or paste your description into our editor, apply bold, italic, headings and lists using the toolbar, then click "Copy HTML" and paste the code directly into your KDP book description field.

Which HTML tags does Amazon KDP allow?

Amazon KDP allows: <b> (bold), <i> (italic), <em>, <u>, <h1><h6>, <p>, <br>, <ul>, <ol>, and <li>. Tags like <div>, <span>, or inline styles are stripped automatically.

What is the Amazon KDP description character/byte limit?

Amazon allows up to 4,000 bytes for book descriptions. Note that HTML tags themselves count toward this limit. Our tool shows a live byte counter in the stats bar above the editor.

Can I paste content from Microsoft Word or Google Docs?

Yes, but Word/Google Docs add hidden formatting that breaks KDP HTML. Our formatter automatically strips all of that on paste and keeps only plain text, which you can then re-format cleanly using the toolbar.

Is this tool free?

Yes, completely free. No account, no subscription required.

What Users Say about KDP Html Formatter

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