Blog
Guides, tutorials, and best practices for developers.
How to Create PDF Reports from Database Data
Learn how to connect to a database, query data, build an HTML report, and convert it to a polished PDF using an API. Includes step-by-step code examples in Node.js.
Screenshot API: Capture Any Website Programmatically
Learn how to capture full-page screenshots of any website using an API. Explore use cases like monitoring, testing, archiving, and social proof with practical code examples.
Complete Guide to HTML-to-PDF APIs in 2026
Everything you need to know about HTML-to-PDF APIs: how they work, key features to evaluate, and how to integrate one into your project with practical code examples.
HTML Email to PDF: Archive Email Campaigns
Learn how to convert HTML email campaigns into PDF archives. Understand the challenges of email-specific CSS and how to handle them for perfect PDF output.
How to Generate Invoices Programmatically
Learn how to automate invoice generation with HTML templates and a PDF API. Step-by-step tutorial with JavaScript code examples.
Building a Certificate Generator with React and TongoRender
Step-by-step tutorial for building a certificate generator in React. Design templates, collect form data, generate PDFs via API, and download them instantly.
Creating Dynamic OG Images for Social Media
Learn how to generate dynamic Open Graph images for social media using HTML, CSS, and an image rendering API. Boost your click-through rates with unique, auto-generated preview images.
Automating Invoice Generation with Node.js
Learn how to build an automated invoice generation pipeline with Node.js. Covers Stripe integration, batch processing, email delivery, and PDF creation via API.
Cloud PDF API vs Self-Hosted: Which Is Right for You?
A detailed comparison of cloud PDF APIs versus self-hosted solutions like Puppeteer. Learn about the trade-offs in cost, scalability, maintenance, and developer experience.
PDF Accessibility: Making Your Generated PDFs ADA Compliant
Learn how to make your generated PDFs accessible and ADA compliant. Covers tagged PDFs, alt text, reading order, semantic structure, and best practices for inclusive documents.
Reducing PDF File Size: Optimization Techniques
Practical techniques for reducing PDF file size: image compression, font subsetting, CSS optimization for print, and API quality settings for optimal results.
Best Practices for HTML-to-PDF Rendering
Practical tips for creating HTML that renders perfectly as PDF: print CSS, page breaks, fonts, images, headers, footers, and debugging techniques.
Multi-Page PDF Generation: Headers, Footers, and Page Breaks
Master multi-page PDF generation with CSS page breaks, repeated headers and footers, page numbers, and practical code examples for professional documents.
Generating Shipping Labels and Barcodes via API
Learn how to generate shipping labels with barcodes using HTML templates and a PDF API. Covers barcode generation, label design, and e-commerce integration.
API Rate Limiting and Batch Processing Best Practices
Master API rate limiting and batch processing: understand rate limits, use batch endpoints effectively, manage queues, and implement robust error handling with retries.