Compare

oJo vs Square Image

Offers an API to generate images from HTML, whereas Square Image is a manual browser tool.

Which to pick

Pick oJo if you want…

  • HTML-to-image conversion at scale
  • HTML-to-image generation
  • Integrations with cURL, Python or JavaScript (on oJo's list, not Square Image's)

Pick Square Image if you want…

  • Simple square image conversion
  • A free tool
  • Integrations with Chrome, Safari or Firefox (on Square Image's list, not oJo's)

Side by side

What it is
oJo:oJo is an HTTP API that converts HTML/CSS/JS into hosted images with instant URLs.
Square Image:Square Image is a free web tool that converts any photo into a perfect square using blur, color fill, resize or crop methods.
Best for
oJo:HTML-to-image conversion at scale
Square Image:Simple square image conversion
Who it’s for
oJo:Developers and marketers who need automated, customizable image generation.
Square Image:Content creators, marketers, sellers and designers needing quick square images.
Pricing
oJo:Freemium
Square Image:Free
Plans
oJo:Subscription $5 per month · Flex-Credits $10
Square Image:—
Works with
oJo:cURL, Python, JavaScript, PHP, Go, Java, Zapier, Make
Square Image:Chrome, Safari, Firefox, Edge

oJo features

  • Single-call HTML rendering. Generate high-quality images from HTML, CSS and JavaScript with one POST request.
  • Instant CDN hosting. Images are stored and served via CDN with a direct URL, no storage setup required.
  • Reusable templates. Create a template once and reuse it for unlimited personalized image variations.
  • Custom fonts & scripts. Support for Adobe/Google fonts, CSS frameworks, and external JS libraries via CDN.
  • No-code integrations. Works with Zapier, Make, n8n and other automation platforms.
  • Credit-based pricing. Buy credits or subscribe; unused credits roll over and are valid for up to a year.

Square Image features

  • Square with Color. Fills the extra space with a solid background color of your choice.
  • Resize to Square. Stretches or compresses the whole image to fit a square canvas.
  • Crop Square (1:1). Manually selects and crops a square portion of the image.

oJo vs Square Image FAQ

Is oJo or Square Image free?+

oJo has a free plan; paid plans start at $5/month (Subscription). Square Image is free.

Which is cheaper, oJo or Square Image?+

Square Image is free, so it costs less. oJo starts at $5/month (Subscription).

Do oJo and Square Image integrate with the same tools?+

Their integration lists don't overlap: oJo lists cURL, Python, JavaScript, PHP and 5 more; Square Image lists Chrome, Safari, Firefox and Edge.

On DevHunt

oJo

6 upvotes · Launched on DevHunt on Sep 17, 2024

Square Image

0 upvotes · Launched on DevHunt on Jul 22, 2025

Based on each tool's website and DevHunt data. Details may change; check the official sites.