HTML/CSS to Image
- Company typePrivate
- Founded2018
- HeadquartersSan Francisco, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
HTML/CSS to Image firmographics
Firmographics- Name
- HTML/CSS to Image
- Legal name
- Code Happy, LLC
- Website
- https://htmlcsstoimage.com
- Company type
- Private
- Founded year
- 2018
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Ownership category
- akta.pro rank
HTML/CSS to Image industry classification
Industry- Product category
- Image Generation API
- NAICS
- Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (5182)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Programming Services (7371)
- akta.pro primary industry
- Web Performance & Acceleration (Caching, Compression, Image Optimization) (HDABAGAG)
- akta.pro secondary industries
- Cloud Encoding & Transcoding Services (SaaS/PaaS) (MPAHAHAC), Edge Compute & Edge Caching Platforms (MPAHAIAC)
Keywords
Where HTML/CSS to Image is headquartered
LocationHeadquarters
- HQ city
- San Francisco
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
HTML/CSS to Image business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Infrastructure, Technology or R&D, Personnel, Operations, Marketing or Sales
Revenue model
- API Usage-Based Subscription: Subscription-based model with tiered pricing based on monthly image generation quota. Each plan includes a set number of renders per month. Usage beyond the plan limit is blocked with option to upgrade. Additional credits consumed for features like ms_delay values above 5000ms (each 5000ms chunk = 1 additional credit) and jumbo image tiles (each 8000x8000 tile = 1 additional credit).
- Free Tier: Free plan offering 50 images per month with no credit card required. Allows users to test the API and evaluate the service before purchasing a paid plan.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Free tier for evaluation and small projects |
| Subscription | Monthly | Paid plans with increased image quotas |
Go-to-market motion2 records
Distribution channels6 records
Marketing channels6 records
HTML/CSS to Image product offering
Product offeringCore offering
HTML/CSS to Image operates a cloud-based REST API that renders HTML and CSS in specialized Google Chrome instances and returns PNG, JPG, WebP, or PDF images, served globally via a CDN. The service supports URL-to-image screenshots, Handlebars-style template variables, batch creation (up to 25 images per request), jumbo renders up to 80,000px, and signed single-request endpoints, and is consumed via direct API, official SDKs, Zapier/Make no-code integrations, and an MCP Server for AI coding assistants.
Product overview
HTML/CSS to Image is a single unified product: a REST API that renders HTML/CSS in Google Chrome and returns images (PNG, JPG, WebP, PDF). The core API is complemented by a Template Editor (visual block-based template building), Template API (programmatic template management with Handlebars variables), and an MCP Server for AI assistant integration. The product supports no-code workflows via native Zapier and Make integrations, and offers an official .NET client library. Advanced features include Jumbo Images for large-format rendering (up to 80,000px), HTTP Proxy routing, batch image creation, and various rendering controls (viewport, delay, device scale, color scheme, timezone).
Differentiator
Problem solved
Functional benefit
Products and services
- HTML/CSS to Image API A REST API (hcti.io/v1/image) that converts HTML/CSS into PNG, JPG, WebP, or PDF images by rendering in Google Chrome, with templates, URL screenshots, batch creation, and extensive rendering parameters (viewport, delay, device scale, color scheme, timezone).
- Template API An API for creating, editing, and managing reusable HTML/CSS image templates with Handlebars-style variables that are populated at render time for batch image generation with consistent designs.
- Template Editor A visual dashboard tool for building reusable image templates using drag-and-drop blocks (Rich Text, Simple Text, Image, Shape, HTML, Free Panel, Flex Panel, Grid Panel, Table Panel) without writing HTML/CSS code.
- MCP Server A Model Context Protocol server integration that enables AI coding assistants (Cursor, Claude Code, Claude Desktop, Windsurf, Cline, Zed, OpenCode) and automation platforms (Zapier, Pipedream) to generate images directly through natural language commands via the HTML/CSS to Image API.
- Zapier Integration A native no-code Zapier integration that allows users to create images directly from Zapier workflows, with triggers from any Zapier-connected app able to generate images without writing code.
- Make Integration A native no-code Make (formerly Integromat) integration enabling visual automation workflows to generate images from any connected app or trigger, supporting CSS injection, CSS selectors, ms_delay, and device_scale parameters.
- .NET Client Library Official NuGet packages for .NET developers including core client (HtmlCssToImage), dependency injection (HtmlCssToImage.DependencyInjection), Blazor support (HtmlCssToImage.Blazor), and Razor tag helpers (HtmlCssToImage.TagHelpers), with strongly-typed models, async support, batch creation, and native AOT support for .NET 9+.
- URL to Image A feature of the HTML/CSS to Image API that captures screenshots of any publicly accessible URL using the Chrome rendering engine, with options for element selection via CSS selectors, full-page capture, and cookie banner blocking.
Quantifiable outcome
- API generates millions of images per month
- +2 more outcomes
Companies that use HTML/CSS to Image
Customer profileNamed customers7 records
Segments4 records
Ideal customer profiles3 records
HTML/CSS to Image technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration14 records
AI capability2 records
Feature13 records
HTML/CSS to Image partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered flagship and core.
- CursorflagshipAI coding assistant with native MCP Server integration. Users can generate images through natural language commands within the Cursor IDE.
- Claude Code / Claude Desktop (Anthropic)flagshipOfficial MCP Server integration with Claude AI assistants. Enables image generation through natural language commands in Claude Code CLI and Claude Desktop applications.
- WindsurfcoreAI coding assistant with MCP Server support for HTML/CSS to Image integration.
- ClinecoreAI coding assistant (VS Code extension) with MCP Server support for HTML/CSS to Image integration.
- ZedcoreHigh-performance code editor with MCP Server support for HTML/CSS to Image integration.
- Make (formerly Integromat)coreOfficial Make integration enables visual automation workflows for image generation. Originally launched as Integromat integration in November 2019, rebranded to Make in June 2022. Supports CSS injection, CSS selectors, ms_delay, and device_scale parameters.
- ZapiercoreOfficial Zapier integration allows users to create images from thousands of Zapier-connected triggers (emails, forms, spreadsheets, etc.) without writing code. The integration has gone through multiple iterations with security and performance improvements. Available in Zapier marketplace with multiple templates for common use cases.
- GitHubcoreGitHub Actions marketplace listing enables CI/CD integration of image generation. Developers can include image generation steps in their GitHub workflows. Documentation and examples available in public GitHub repository.
Scale indicators4 records
Recent moves6 records
Expansion highlights5 records
HTML/CSS to Image competitors and assessment
Company assessmentDirect peers
- Bannerbear: Bannerbear offers a direct image-generation API that converts designs/templates into images and videos, with similar template-based workflows, URL-to-image, and batch generation — a closest functional competitor to HCTI.
- ScreenshotOne: ScreenshotOne is a developer API for rendering HTML to images and capturing website screenshots, with comparable parameter set (viewport, full-page, delay) and pricing tiers — a head-to-head competitor for the URL-to-image and HTML-to-image use cases.
- URLbox: URLbox provides screenshot-as-a-service with HTML rendering and PDF generation, marketed to developers and enterprises — a direct competitor especially in the URL-to-image and large-scale screenshot market.
- Placid.app: Placid offers a similar template-driven image and video generation API for marketing teams, with comparable no-code/automation use cases overlapping HCTI's OG-image and social-card workflows.
- ApiShot: ApiShot is a lightweight HTML/CSS-to-image API with a near-identical feature set (Chrome rendering, templates, URL screenshots) — a direct niche competitor targeting the same developer persona.
- Browserless: Browserless provides a hosted headless browser API for automation, screenshots, and PDF generation — overlapping HCTI's Chrome-rendering infrastructure with a broader automation offering aimed at similar developer buyers.
- imgproxy: imgproxy is a fast, secure standalone image-processing proxy used for resizing, cropping, and format conversion — comparable in the image-optimization/CDN-delivery layer that HCTI relies on via Cloudflare.
Broad incumbents
- imgix: imgix is an established image CDN and processing platform used by large enterprises; not a direct HTML/CSS-to-image competitor but competes for the same image-optimization and delivery budgets, and is bundled into broader media stacks.
- Cloudflare Browser Rendering: Cloudflare's Browser Rendering product (Workers + headless Chrome) competes with HCTI's core Chrome-rendering capability, with the advantage of being bundled into a hyperscaler platform that many of HCTI's customers already use for CDN and compute.
Others
- Puppeteer: Puppeteer is Google's open-source headless-Chrome library that powers much of HCTI's underlying capability. It is the primary free, self-hosted alternative for developers who can run their own rendering infrastructure instead of paying for HCTI's API.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks5 records
Key highlights7 records
Customer concentration
HTML/CSS to Image social profiles
Digital presenceHTML/CSS to Image financial estimates
Financial estimateRevenue estimate
Valuation estimate
HTML/CSS to Image leadership team
Management profileNumber of profiles
HTML/CSS to Image funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
HTML/CSS to Image M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about HTML/CSS to Image
What does HTML/CSS to Image do?
HTML/CSS to Image operates a cloud-based REST API that renders HTML and CSS in specialized Google Chrome instances and returns PNG, JPG, WebP, or PDF images, served globally via a CDN. The service supports URL-to-image screenshots, Handlebars-style template variables, batch creation (up to 25 images per request), jumbo renders up to 80,000px, and signed single-request endpoints, and is consumed via direct API, official SDKs, Zapier/Make no-code integrations, and an MCP Server for AI coding assistants.
Is HTML/CSS to Image a public or private company?
HTML/CSS to Image is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was HTML/CSS to Image founded?
HTML/CSS to Image was founded in 2018. It employs 1 to 10 people.
Where is HTML/CSS to Image based?
HTML/CSS to Image is headquartered in San Francisco, United States, in the North America region.
How does HTML/CSS to Image make money?
Two revenue lines are on record. API Usage-Based Subscription is the primary driver. The others are free Tier.
Who are HTML/CSS to Image's main competitors?
Direct peers on record are Bannerbear, ScreenshotOne, URLbox, Placid.app, ApiShot, Browserless and imgproxy. Broad incumbents are imgix and Cloudflare Browser Rendering. Puppeteer is listed as an others.
Does HTML/CSS to Image have an API?
Yes. HTML/CSS to Image is a REST API that converts HTML/CSS into PNG, JPG, WebP, or PDF images. Developers send HTML/CSS via POST request to https://hcti.io/v1/image and receive a permanent image URL. Authentication uses HTTP Basic Auth with User ID and API Key. The API supports batch image creation (up to 25 images per request), templates with Handlebars variables, URL screenshots, and various rendering parameters (viewport, delay, device scale). Also includes a create-and-render endpoint for client-side friendly signed URL generation using HMAC SHA256 authentication. Developer documentation is at docs.htmlcsstoimage.com.
What industry is HTML/CSS to Image in?
HTML/CSS to Image's product category is Image Generation API. Its primary akta.pro industry code is HDABAGAG, Web Performance & Acceleration (Caching, Compression, Image Optimization), with a secondary code of MPAHAHAC, Cloud Encoding & Transcoding Services (SaaS/PaaS). Its NAICS code is 51821 and its SIC code is 7370.