How to Capture Webpages as WebP Images in Ruby
Use Ferrum to capture a webpage in Chrome and save it as WebP from Ruby. Choose viewport, full-page, element, or rectangular captures, then tune quality and scale.
Blog
Guides for capturing the web
How to take clean screenshots, turn HTML into images and PDFs, run headless browsers, and give AI agents eyes. Written by the team that builds ScreenshotNeo.
How to Archive Website Screenshots Securely
A practical workflow for capturing, hashing, storing, and presenting website screenshots with verifiable evidence and WARC context.
Screenshot Webpages as PNG: Firefox, Playwright, and an API
Save any rendered webpage as a PNG with Firefox or Playwright, capture full pages and elements, troubleshoot failures, and automate reliable screenshots.
How to Parse Command-Line Arguments in Python
Use Python’s built-in argparse to define positional inputs, flags, defaults, and validation, then parse them into a Namespace.
Screenshot Webpages as JPEG in Python
Capture a webpage as a JPEG in Python with Playwright, including full-page and element screenshots, quality settings, troubleshooting, and an API alternative.
Playwright Cloud Browser Automation: A Quickstart
Install Playwright, run a test locally, then connect it to a cloud browser. This quickstart covers provider protocols, configuration, troubleshooting, and when a screenshot API is a simpler fit.
How to Capture a Specific HTML Element as an Image
Capture one HTML element as an image with Playwright or html2canvas. Choose the right method, handle cross-origin resources, and troubleshoot common failures.
Cloud Browser Automation: The Complete 2026 Guide
Learn how cloud browser automation works, choose between managed browsers, APIs, and testing grids, and build reliable workflows with Playwright.
What Is an API Rate Limit? 429 Errors, Retry-After, and Client Strategies
An API rate limit controls request frequency. Learn what 429 means, how Retry-After works, and how to build reliable clients that back off safely.
Screenshot API Result Retrieval Methods
Learn how screenshot APIs return captures—as image bytes, hosted URLs, async jobs, webhooks, or Base64—and how to retrieve each reliably.
How to Automate Websites with Iframes
Learn reliable iframe automation with Playwright and Selenium, including nested frames, waits, debugging, and clean ScreenshotNeo captures.
How to Automate Document Workflows
A practical guide to automating document intake, extraction, generation, approvals, signatures, filing, exceptions, and audit controls.
Building a Daily Newsletter with Browser Automation
Use Playwright, scheduled jobs, source checks, and compliant email delivery to assemble and send a reliable daily newsletter.
How to Capture Webpages as WebP Images in Python
Use Playwright’s Python API to save a webpage as a WebP screenshot, tune quality and dimensions, capture full pages or elements, and troubleshoot common issues.
Headless Browser as a Service: What It Is and How to Choose One
Learn how cloud browser services work, when to use WebSockets or REST, and how to choose a provider for automation, screenshots, PDFs, and AI agents.
How to Build an Automated Wayfair Price Tracker
Build a personal Wayfair price tracker around timestamped observations, a clear alert threshold, and a reliable notification path. Check the live listing and checkout total before buying.
How to Apply Inline CSS When Converting HTML to PDF
Learn how inline, embedded, linked, and API-supplied CSS behaves in Puppeteer and WeasyPrint, with runnable code and fixes for missing styles.
Automating Inspection and Diagnostic Reports with PDFs
Build reliable inspection PDFs from structured field data, evidence, approvals and corrective actions, with code, templates and troubleshooting.