URL-to-PNG

Self-Hosted

Self-hosted tool to capture website screenshots as PNG images

Overview

URL-to-PNG is a self-hosted service that converts website URLs into high-quality PNG screenshots. Key features include customizable viewport sizes, full-page capture support, and a delay option for dynamic content loading (e.g., JavaScript-heavy sites). It offers an API for automation, ideal for blog previews, website monitoring, or workflow integration. Deployed via Docker for easy setup, it uses environment variables to configure allowed domains or API auth. No third-party services are involved, ensuring data privacy and control over your screenshot processing.

Self-Hosting Resources

Find Official Image on Docker Hub View Source & Docs

Below is a reference structure for docker-compose.yml. ⚠️ Do NOT run blindly. Replace placeholders with official values.

docker-compose.template.yml TEMPLATE


version: '3'
services:
  url_to_png:
    image: <OFFICIAL_IMAGE_NAME>:latest
    container_name: url-to-png
    ports:
      - "8080:<APP_INTERNAL_PORT>"
    volumes:
      - ./data:/app/data
    restart: unless-stopped

Key Features

Capture full-page or custom viewport screenshots
API access for automated workflows
Delay option for dynamic content loading
Dockerized deployment with environment variable configuration

Frequently Asked Questions

? Is URL-to-PNG hard to install?

No—It’s dockerized, so setup takes a single docker run command. Environment variables handle config (allowed domains, API keys), making it accessible for beginners with basic Docker skills.

? Is it a good alternative to SaaS screenshot tools?

Yes—It offers similar API functionality but processes screenshots locally, ensuring privacy. It avoids subscription costs and gives full control over data, unlike tools like Urlbox.io.

? Is URL-to-PNG completely free?

Yes—It’s open source (e.g., MIT license) with no licensing fees. You can use, modify, or distribute it freely without any hidden costs.

Top Alternatives

Urlbox.io Search Google

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Tool Info

Pricing Free/Open Source

Category Miscellaneous

Platform Self-Hosted

Pros

⊕ Privacy-focused (no third-party data sharing)
⊕ No recurring subscription fees
⊕ Lightweight and resource-efficient
⊕ Supports integration with internal tools via API

Cons

⊖ Limited advanced editing (e.g., annotations)
⊖ Requires basic Docker/server knowledge
⊖ May struggle with extremely interactive sites
⊖ No built-in storage for screenshots