Missing alt text
Empty alt is bad for accessibility.
Fix: Always include descriptive alt text on line 2.
HTML Image Tag Generator
Generate an <img> tag with src, alt, width, height, loading="lazy", and decoding="async" best practices
Input
Loading editor...
Output
Output will appear here...
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What is HTML Image Tag Generator
Last reviewed:
HTML (HyperText Markup Language) is the core markup language for web pages, defining structure and content that browsers render.
HTML Image Tag Generator builds an `<img>` tag with src, alt, optional width and height, plus `loading="lazy"` and `decoding="async"` to match modern performance best practices.
It's a quick helper for blogs, CMS fields, email templates, and static sites where you want correct attributes every time.
Why use it
- Produce performant image tags by default.
- Remember loading='lazy' on every insert.
- Reduce CLS with explicit width and height.
- Escape alt text safely.
- Share snippets with clean defaults.
Features
- Adds loading='lazy' and decoding='async'
- Safe alt text escaping
- Optional width & height
- Performance-first defaults
- HTML Image Tag is handled entirely in-browser
How to use HTML Image Tag Generator
- Paste src URL. Line 1 is the image URL.
- Add alt text. Line 2 — required for accessibility.
- Optional dimensions. Lines 3 and 4 for width and height.
Example (before/after)
Input
https://cdn.example.com/hero.jpg Product hero 1200 630
Output
<img src="https://cdn.example.com/hero.jpg" alt="Product hero" width="1200" height="630" loading="lazy" decoding="async" />
Common errors
No width/height
Missing dimensions can increase CLS.
Fix: Provide width and height on lines 3 and 4.
FAQ
Does it add lazy loading?
Yes — loading="lazy" and decoding="async" are included automatically.
Do I have to set width/height?
Optional, but recommended to reduce CLS.
Is alt text escaped?
Yes — quotes are escaped to prevent broken HTML.
Can I add CSS classes?
Add them after copying the output.
Is input uploaded?
No — the generator is client-side.
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