Turn repetitive image tasks into a streamlined process. Generate images from HTML and templates, and get direct image URLs. Start for free!
oJo is an HTTP API that converts HTML/CSS/JS into hosted images with instant URLs.
- for
- Developers and marketers who need automated, customizable image generation.
- pricing
- freemium · free trial
works withcURLPythonJavaScriptPHPGoJavaZapierMaken8n
Key features
6 features of oJo
- 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.
Use cases
- Generate personalized social media graphics for each user.
- Create dynamic email header images on the fly.
- Produce thumbnails and preview images for web pages or apps.
oJo pricing
- Subscription$5/month500 credits · Credits roll over · Cancel anytime · Priority support
- Flex-Credits$101,000 credits · Valid for 12 months · No recurring charge · Access to all features
oJo vs alternatives
oJo | Frameright | Dynamic Mockups - Mockup Generator API | |||
|---|---|---|---|---|---|
| Best for | HTML-to-image conversion at scale | Responsive image handling | Mockup generation | App store screenshot tool | Data import widgets |
| Pricing | Freemium | Free | Subscription | Subscription | Subscription |
| DevHunt upvotes | 6 | 78 | 30 | 29 | 77 |
| Launched | Sep 2024 | Jan 2023 | Nov 2024 | Feb 2024 | Apr 2024 |
- oJo vs Frameright: Focuses on responsive image behavior rather than HTML rendering to images
- oJo vs Dynamic Mockups - Mockup Generator API: Generates mockup screenshots, not arbitrary HTML-based images
- oJo vs Picasso - App Store Screenshot Tool: Optimizes app store screenshots, not general HTML-to-image conversion
- oJo vs Impler: Provides CSV/Excel import widgets, unrelated to image generation
oJo FAQ
How do credits work?+
Credits are consumed per image generation; you receive a set amount with each plan and can purchase additional credits as needed.
How does billing work?+
Subscription bills monthly; Flex-Credits are a one-time purchase with no recurring charge.
Can I cancel anytime?+
Yes, you can cancel your subscription at any time.
Do you offer refunds?+
Refund policy is not detailed in the provided text.
What happens to stored media if my subscription ends?+
Images remain hosted as long as the credits that cover their storage are valid.
Summarized by DevHunt from ojo.so · Sep 28, 2026. Details may change; check the official site.

oJo
Frameright
Dynamic Mockups - Mockup Generator API











