Free Blog Image Generator
Create stunning blog header images, social media cards, and OG images in seconds. Pick your colors, set your text, choose a font, and download as PNG — no design skills required.
What is a Blog Image Generator?
A blog image generator is an online tool that lets you create professional-looking header images, social media cards, and open graph (OG) images directly in your browser — no design software or skills required. Simply choose your background, add your text, style it with fonts and colours, and download a pixel-perfect PNG in seconds.
Blog images are critical for click-through rates. Posts with a compelling header image get significantly more shares on social media, and a correctly-sized OG image ensures your link looks great when shared on Twitter, LinkedIn, Facebook, and messaging apps.
Our free tool handles the most popular formats — 1200×630 for OG images, 1200×600 for Twitter cards, 1200×627 for LinkedIn, and 1080×1080 square posts — so you always get the right dimensions without guessing.
How to Create a Blog Image in 4 Steps
Pick a size
Choose from 5 preset image dimensions — OG image, Twitter card, LinkedIn post, square, or wide banner.
Set the background
Pick a solid colour or a beautiful two-colour gradient with four direction options.
Style your text
Type your title and optional subtitle. Choose from 20 fonts, set the size, colour, and alignment.
Download PNG
Hit Download PNG to save the full-resolution image ready to upload to your blog or social media.
Why Use a Blog Image Generator?
Save hours on design
Skip Canva, Figma, or Photoshop for simple header images. Go from idea to download in under a minute.
Correct dimensions every time
Every preset is sized to the exact pixel spec for its platform — no more cropped thumbnails or squished previews.
Consistent branding
Lock in your brand colours and fonts with a single preset, then reuse it across every blog post.
No account required
100% free, no sign-up, no watermarks. Download as many PNG images as you need.
What Can You Create with This Tool?
One tool, dozens of use cases — from blog headers to social promos.
Image Size Guide for Bloggers
| Use Case | Recommended Size | Platform |
|---|---|---|
| Blog header / OG image | 1200×630 px | All social platforms |
| Twitter card | 1200×600 px | Twitter / X |
| LinkedIn post | 1200×627 px | |
| Instagram / square | 1080×1080 px | Instagram, Facebook |
| Wide banner | 1200×400 px | Headers, newsletters |
Frequently Asked Questions
Is the blog image generator really free?
Yes — 100% free with no watermarks, no sign-up, and no usage limits. Download as many images as you like.
What image format does it export?
The tool exports PNG files at the full resolution you selected (e.g. 1200×630px for an OG image). PNG gives you crisp text edges and is accepted by all platforms.
Can I use Google Fonts?
Yes. The tool includes 16 popular Google Fonts — Inter, Roboto, Montserrat, Poppins, Playfair Display, and more — loaded automatically. They are available in regular, bold, italic, and bold-italic weights.
Does it work on mobile?
Yes. The tool is fully responsive and works in any modern mobile browser. Controls stack vertically and the preview scales to fit your screen.
Can I create gradient backgrounds?
Absolutely. Switch to gradient mode and pick two colours plus a direction: left-to-right, top-to-bottom, diagonal, or radial. The six quick presets also demonstrate popular gradient combinations.
What's the difference between this and Canva?
Canva is a full design platform with templates, images, and much more — great for complex designs. This tool is laser-focused on one task: creating text-over-colour blog header images as fast as possible, with zero learning curve and no account required.
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