Important Note : This OG Image Generator creates a 1200×630 PNG image for social sharing previews. It helps you design an Open Graph-style image, but it does not automatically add the image to your website’s metadata. After downloading the PNG, you must upload it to your website and set it as the page’s social preview image, such as the og:image image in your SEO plugin, theme, CMS, or page metadata.
Social platforms may crop, resize, compress, cache, or display preview images differently depending on the platform, device, app, image file size, metadata setup, and crawler behavior. Always test the final page URL with the relevant social sharing debugger or preview tool after uploading the image. Keep important text, logos, and faces away from the edges so they are not cut off in cropped previews.
This tool is for general website, blog, business, and content-marketing image creation. It is not a professional design, trademark review, copyright clearance, brand-compliance, or advertising-approval tool. Make sure you have the right to use any background image, logo, brand name, or visual asset included in the generated image.
Use this OG Image Generator to create a 1200×630 PNG image for social sharing previews. Add a title, subtitle, brand or URL, background color, optional background image, overlay, accent color, and custom text sizes, then generate and download a ready-to-use social preview image.
Reviewed by: Ajax Calculator Team | Last updated: May 3, 2026 | Method source: Browser-based canvas image generation using a 1200×630 layout, text layers, color settings, optional background image, overlay, preview, and PNG export.
Editorial standards: This page explains what the OG image generator does, how Open Graph images are used, what the 1200×630 size means, and where social preview images may vary across platforms. For more details, visit our Editorial Policy.
What This OG Image Generator Does
The OG Image Generator helps create a share image for websites, blog posts, landing pages, tools, product pages, and other URLs. An OG image is the preview image that can appear when a page is shared on social platforms, messaging apps, and link preview tools.
The visible tool generates a 1200×630 PNG image, which is a common Open Graph image size for social sharing. You can customize the visual design by editing the title, subtitle, brand or URL, colors, background, overlay, and text size.
- Background image: add an optional image behind the design.
- Background color: choose the base color for the canvas.
- Overlay: add a dark or tinted layer to improve text readability.
- Title: add the main headline for the share image.
- Subtitle: add supporting text below the title.
- Brand / URL: show your website name, brand name, or page URL.
- Accent color: customize the highlight color used in the design.
- Title size: control the size of the main headline.
- Subtitle size: control the size of the secondary text.
- PNG export: download the generated 1200×630 image.
What Is an OG Image?
An OG image is a social preview image connected to a webpage through Open Graph metadata. When a page is shared, platforms may use the page title, description, URL, and image to create a preview card. The image is often one of the most visible parts of the shared link.
A strong OG image can make a shared page look more professional and easier to recognize. It can also help users understand the topic before they click the link.
How to Use the OG Image Generator
- Enter your title. Use a short, clear headline that explains the page or offer.
- Add a subtitle. Use this for supporting text, a benefit, category, or short description.
- Add your brand or URL. Include your site name, domain, or brand label.
- Choose a background color. Pick a color that matches your brand or page design.
- Upload a background image if needed. Use a clean image that does not make the text hard to read.
- Adjust the overlay. Increase the overlay if the background image is too busy or bright.
- Set the accent color. Use an accent color that matches your brand or callout style.
- Adjust title and subtitle sizes. Make sure the text remains readable at small preview sizes.
- Generate the PNG. Click the generate button and preview the output.
- Download and upload it to your site. After downloading, set the image as the page’s social preview image or Open Graph image.
OG Image Size: Why 1200×630 Is Common
The generator uses a 1200×630 canvas because that size fits the common 1.91:1 social sharing image ratio. It is widely used for Open Graph-style link preview images.
| Image Setting | Recommended Value | Why It Matters |
|---|---|---|
| Width | 1200 px | Provides enough resolution for high-quality previews. |
| Height | 630 px | Matches the common Open Graph preview ratio. |
| Aspect ratio | About 1.91:1 | Helps reduce awkward cropping on many platforms. |
| Output format | PNG | Good for text-heavy graphics, sharp edges, and clean design output. |
How the Generator Works
The tool creates a design on a browser canvas. It places the background, overlay, text, brand label, and accent styling into a 1200×630 layout, then exports the final image as a PNG file.
| Setting | What It Controls |
|---|---|
| Background image | Adds an optional visual image behind the text. |
| Background color | Sets the base canvas color. |
| Overlay | Adds a layer over the background to improve contrast. |
| Title | Controls the main headline text. |
| Subtitle | Controls the supporting message. |
| Brand / URL | Adds your site name, company name, or domain. |
| Accent color | Controls highlight styling in the design. |
| Title size | Changes the main headline size. |
| Subtitle size | Changes the supporting text size. |
Important: This Tool Creates the Image, Not the Meta Tags
This generator creates the visual image file. To make the image appear when a page is shared, you still need to upload the downloaded PNG to your website and assign it as the page’s social preview image.
In many WordPress SEO plugins, this is done in the social preview or Open Graph settings for the page. For custom websites, the image is usually added through Open Graph metadata in the page’s HTML.
A basic Open Graph image tag can look like this:
<meta property="og:image" content="https://example.com/path-to-your-og-image.png">You may also need supporting tags such as title, description, type, and URL depending on your website setup.
Recommended Text Length for OG Images
Social preview images are often shown at smaller sizes in feeds, messages, and search previews. Keep the text short and readable.
| Text Area | Suggested Length | Reason |
|---|---|---|
| Title | 3 to 8 words | Short titles are easier to read in small previews. |
| Subtitle | 5 to 14 words | Use it for a clear benefit or page summary. |
| Brand / URL | Short brand or domain | Keeps the design clean and recognizable. |
Safe Area for Social Preview Images
Different platforms may crop, scale, or display preview images differently. Keep important text and logos away from the outer edges of the image.
A practical safe-area rule is to keep the main title, logo, and important graphics near the center of the canvas. Avoid placing small text, faces, logos, or essential details close to the corners.
Worked Example: Blog Post OG Image
Suppose you want to create an OG image for a blog post about reducing image file size.
| Field | Example Input |
|---|---|
| Title | Compress Images Faster |
| Subtitle | Reduce file size for better website speed |
| Brand / URL | ajaxcalculators.com |
| Background color | Dark blue or brand color |
| Accent color | Bright blue or highlight color |
| Output | 1200×630 PNG |
After generating the PNG, upload it to the blog post and set it as the social preview image in your SEO plugin or metadata settings.
Worked Example: Calculator Page OG Image
Suppose you want an OG image for a calculator page.
| Title | Mortgage Calculator |
|---|---|
| Subtitle | Estimate monthly payments, interest, and loan cost |
| Brand / URL | Ajax Calculators |
| Design tip | Use strong contrast and keep the title large. |
This type of image can make a calculator page look more polished when shared on social platforms, chat apps, and link preview tools.
Best Practices for Better OG Images
- Use a clear title: the headline should explain the page quickly.
- Keep text large: small text may become unreadable in previews.
- Use strong contrast: make sure text stands out from the background.
- Add your brand: include your site name or domain for recognition.
- Avoid clutter: one clear message is better than too much text.
- Use the overlay carefully: increase overlay when the background image is busy.
- Keep key elements centered: avoid placing important details near the edges.
- Test after upload: social platforms may cache or crop previews differently.
Common Mistakes to Avoid
- Using too much text: long sentences can become unreadable in small preview cards.
- Placing text at the edge: some platforms may crop outer areas.
- Using low contrast: text should be readable over the background.
- Using copyrighted images without permission: only use images you own or are licensed to use.
- Forgetting to upload the image: generating the PNG does not automatically set it on your website.
- Forgetting metadata: the page still needs Open Graph or social preview settings.
- Not testing the final URL: platforms can cache old preview images.
- Using tiny logos or thin fonts: they may not be visible in previews.
Where to Use Generated OG Images
You can use the downloaded image anywhere a 1200×630 social preview image is useful.
- WordPress posts and pages
- Calculator pages
- Landing pages
- Product pages
- Blog posts
- Portfolio pages
- News articles
- Tool pages
- Documentation pages
- Marketing pages
How to Add the Image to WordPress
- Generate and download the 1200×630 PNG image.
- Upload the PNG to your WordPress Media Library.
- Open the post or page where you want to use it.
- Go to your SEO plugin’s social preview settings.
- Set the downloaded image as the Facebook/Open Graph image.
- Set it as the X/Twitter image if your plugin provides a separate field.
- Update the page.
- Use a social preview debugger to confirm that the correct image appears.
Testing and Cache Notes
After uploading and setting your OG image, test the live URL. Social platforms and messaging apps often cache preview images. If you changed the image but still see an old preview, the platform may need time to refresh, or you may need to use that platform’s debugging or sharing tool to request a new scrape.
Also confirm that the image URL is publicly accessible. If the image is blocked by hotlink protection, login restrictions, robots settings, CDN rules, or a temporary URL, social crawlers may fail to load it.
Assumptions and Limitations
- The generator creates a 1200×630 PNG image.
- It does not automatically add Open Graph metadata to your website.
- You must upload the downloaded image and set it as the page’s social preview image.
- Social platforms may crop, resize, compress, or cache images differently.
- The preview shown in the tool may not match every social platform exactly.
- Very small text may be unreadable in mobile previews.
- Background images should be used only if you have permission to use them.
- Canvas-based image export can vary by browser and device.
- The tool does not verify brand compliance, copyright status, or advertising policy compliance.
Related Image and Document Tools
OG Image Generator Disclaimer
This OG Image Generator is provided for general website, blog, social preview, and marketing image creation. It creates a downloadable PNG image, but it does not automatically configure your website’s Open Graph metadata, SEO plugin settings, CDN settings, or social platform cache. Always upload the image correctly, test the final page URL, and verify that you have permission to use any background image, logo, brand name, or visual asset included in the generated image.
References
- The Open Graph Protocol
- Meta for Developers — Images in Link Shares
- Meta for Developers — Webmasters Sharing Guide
- MDN Web Docs — HTMLCanvasElement.toBlob()
- MDN Web Docs — HTMLCanvasElement.toDataURL()
Frequently Asked Questions
What does this OG Image Generator do?
It creates a 1200×630 PNG image that can be used as a social sharing preview image for a webpage, blog post, landing page, product page, or online tool.
What is an OG image?
An OG image is the image connected to a webpage through Open Graph metadata. It can appear when the page is shared on social platforms, messaging apps, and link preview tools.
Does this tool add the image to my website automatically?
No. The tool generates and downloads the image only. You still need to upload the image to your website and set it as the page’s social preview or Open Graph image.
Why does the generator use 1200×630?
1200×630 is a common Open Graph image size with an aspect ratio close to 1.91:1. It is widely used for social sharing previews and provides enough resolution for clear display.
What format does the tool export?
The visible tool exports a PNG image. PNG is useful for text-heavy graphics because it can keep text and edges sharp.
What should I put in the title field?
Use a short headline that explains the page clearly. For best readability, avoid long sentences and keep the title large enough to read in small previews.
What should I put in the subtitle field?
Use the subtitle for a short benefit, description, category, or supporting message. Keep it brief so the preview does not look crowded.
What should I put in the Brand / URL field?
Use your website name, domain name, brand name, or a short URL. This helps people recognize the source of the shared link.
What does the overlay setting do?
The overlay adds a layer over the background. It can make text easier to read, especially when using a bright, detailed, or busy background image.
Can I use a background image?
Yes, the tool includes an optional background image setting. Use images you own, created yourself, or have permission to use.
Will the generated image look the same on every platform?
Not always. Social platforms can crop, resize, compress, or cache preview images differently. Always test the final page URL after uploading the image.
Why is my old image still showing when I share the link?
Social platforms often cache preview images. You may need to wait for the cache to refresh or use the platform’s sharing debugger or preview tool to request a new scrape.
Can this tool generate Open Graph meta tags?
No. The visible tool generates a PNG image. You still need to add the image URL to your page’s Open Graph metadata or SEO plugin settings.
Can I use the image for Facebook, LinkedIn, WhatsApp, or X?
You can use the downloaded image as a social preview image, but each platform may display previews differently. Test the final URL on the platforms that matter most to you.
Should I keep important text away from the edges?
Yes. Keep titles, logos, faces, and important details away from the outer edges because some platforms may crop or resize the preview.
Can I use copyrighted images in the background?
Only use images that you own, created yourself, licensed, or have permission to use. This tool does not check copyright or usage rights.