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Selenium VS CaptureAPI.dev

Compare Selenium VS CaptureAPI.dev and see what are their differences

Selenium

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.

Selenium Landing page
Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
CaptureAPI.dev

Screenshot & PDF API for Developers. Capture website screenshots, convert HTML to PDF, and generate OG images with a simple API call.

CaptureAPI.dev Landing page
Rating
0 reviews
Pricing
Freemium $9 / Monthly (Starter)
Alternatives Is it good?
HTMLCSS to Image API
Capture website screenshots, render HTML/CSS, or create templated graphics. Render images or PDFs. Use MCP with AI, no-code automation, or the REST API. No browsers needed. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Selenium seems to be more popular. It has been mentioned 9 times since March 2021.

social mentions
9 vs 0
Automated Testing popularity
100% vs 0%
alternatives listed
240+ vs 14

Base details

Website, pricing, platforms and company facts side by side.

Selenium
CaptureAPI.dev
Website selenium.dev captureapi.dev
Pricing
Open source
Freemium $9 / Monthly (Starter) Official pricing
Company — Startup from Spain
Listed in
Testing Browser Testing Automated Testing Website Testing Load And Performance Testing +2
Website Screenshots Developer APIs Screenshots Developer Tools +1

About Selenium and CaptureAPI.dev

In their own words, as submitted to SaaSHub.

Selenium
CaptureAPI.dev

No description of Selenium yet.

CaptureAPI is a developer-focused serverless API for capturing website screenshots (PNG, JPEG), converting HTML to PDF, and generating Open Graph images. Built on Playwright + Chromium, it supports 5 viewport presets (Mobile, Tablet, Desktop HD, 4K, Custom), CSS selector targeting, watermarks,...

Read more about CaptureAPI.dev

Features and specs

What each product offers, as listed by its team.

Selenium 6 features
CaptureAPI.dev 5 features
  • Open Source
    Selenium is an open-source tool, which means it is freely available for anyone to use, modify, and distribute. This makes it a cost-effective choice for companies of all sizes.
  • Cross-Browser Compatibility
    Selenium supports multiple browsers like Chrome, Firefox, Safari, and Edge. This allows testers to ensure that web applications work seamlessly across different browsers.
  • Cross-Platform Support
    Selenium can run on various operating systems including Windows, macOS, and Linux. This provides flexibility to test on multiple platforms to ensure consistent user experience.
  • Supports Multiple Programming Languages
    Selenium supports multiple programming languages such as Java, C#, Python, and JavaScript. This allows testers to write their scripts in the language they are most comfortable with.
  • Rich Community and Documentation
    Being a widely-used tool, Selenium has extensive community support and a wealth of documentation and tutorials available. This makes it easier for new users to get started and find solutions to problems.
  • Integration with Other Tools
    Selenium integrates well with various testing frameworks and tools like TestNG, JUnit, and Maven, as well as CI/CD tools like Jenkins and Docker. This makes it a versatile and comprehensive automation solution.

Possible disadvantages

  • Steep Learning Curve
    Selenium requires knowledge of programming to create and maintain test scripts. For those new to automation or coding, the learning curve can be quite steep.
  • No Built-in Reporting
    Selenium does not come with built-in reporting features. Testers must rely on third-party tools or build custom reporting solutions to generate test reports.
  • Limited Support for Desktop Applications
    Selenium is designed primarily for web application testing and offers limited support for desktop applications. This limits its use in scenarios where desktop application testing is needed.
  • Manual Effort for Maintenance
    Test scripts require regular maintenance to accommodate changes in the web application, such as updates to the UI or changes in element identifiers. This can lead to significant manual effort.
  • Performance Issues
    Selenium can be slower compared to other automation tools, especially when running extensive test suites. This can affect the speed of the overall testing process.
  • Browser Compatibility Issues
    Although Selenium supports multiple browsers, each browser's implementation of WebDriver may have unique quirks and bugs. This occasionally leads to test script compatibility issues across different browsers.
  • Output Formats
    PNG, JPEG, PDF, OG images
  • Free Tier
    200 screenshots/month, no card required
  • Engine
    Playwright + Chromium (serverless)
  • Viewport Presets
    Mobile, Tablet, Desktop HD, 4K, Custom
  • Batch Endpoint
    Multiple URLs per API call

Analysis

An editorial look at what each product does well and who it suits.

Selenium
CaptureAPI.dev

Overall verdict

  • Selenium is a valuable tool for automated testing of web applications, providing flexibility, broad compatibility, and extensive support. It is particularly beneficial for teams looking for an open-source solution with a wide range of capabilities.

Why this product is good

  • Selenium is a highly popular open-source framework for automating web browsers. It supports multiple programming languages such as Java, C#, Python, and JavaScript, providing flexibility for testers with different coding skills. Selenium WebDriver, a core component, allows for creative and sophisticated testing through direct interaction with web pages. Its broad browser compatibility, community support, and extensive documentation make it a valuable tool for automated testing. It also integrates well with other tools and frameworks like Selenium Grid for parallel testing, and it can be used with CI/CD pipelines to facilitate continuous testing.

Recommended for

  • Software testers and QA engineers
  • Development teams implementing continuous integration and continuous testing
  • Organizations needing cross-browser testing solutions
  • Testers with programming skills in languages like Java, Python, or C#

Overall verdict

  • I don't have verified, up-to-date information about CaptureAPI.dev specifically, so I can't confirm its quality, reliability, or reputation firsthand. Based on its name, it appears to be a website/screenshot capture API service, and my assessment is general rather than based on confirmed user reviews or benchmarks.

Why this product is good

  • If it functions as described (a screenshot/webpage capture API), such tools are generally useful for automating visual content generation
  • API-based capture services typically offer developer-friendly integration via REST endpoints
  • Many similar services offer features like PDF generation, full-page screenshots, and custom viewport sizing
  • Pricing for niche capture APIs is often more affordable than building in-house infrastructure

Recommended for

  • Developers needing to verify current pricing, uptime, and feature set directly from the provider before committing
  • Teams who should test the API with a free trial or sandbox environment if available
  • Users who should check independent reviews, GitHub mentions, or community feedback for real-world performance data
  • Businesses requiring SLA guarantees, who should confirm this directly with the vendor rather than relying on assumptions

Videos

Walkthroughs and reviews on video.

Selenium 1 video + Add
CaptureAPI.dev 0 videos + Add

What is Selenium | Selenium Explained in 2-minutes | Introduction to Selenium | Intellipaat

No CaptureAPI.dev videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Selenium
CaptureAPI.dev
100% 100%
Automated Testing
0% 0%
0% 0%
Website Screenshots
100% 100%
100% 100%
Browser Testing
0% 0%
0% 0%
Screenshots
100% 100%

Questions & Answers

As answered by people managing Selenium and CaptureAPI.dev.

Who are some of the biggest customers of your product?

CaptureAPI.dev's answer:

  • Independent SaaS founders using CaptureAPI for OG image generation
  • Content and growth teams generating automated blog cover screenshots
  • Small B2B platforms archiving compliance documents (PDF + screenshot)
  • Side-project builders integrating preview images into their dashboards

Named customer references available on request as the user base grows.

What makes your product unique?

CaptureAPI.dev's answer:

CaptureAPI bundles website screenshots, HTML-to-PDF conversion, and OG image generation into a single predictable API endpoint. Unlike heavy headless-browser platforms, it offers a 200/month free tier, transparent flat-rate pricing, and a developer-first design with no per-call billing surprises.

Why should a person choose your product over its competitors?

CaptureAPI.dev's answer:

Three reasons: (1) honest free tier — 200 captures/month, no credit card; (2) flat pricing ($9 / $29 / $79) instead of per-call confusion; (3) screenshot, PDF, and OG image generation all in one API rather than three separate services.

How would you describe the primary audience of your product?

CaptureAPI.dev's answer:

Indie developers, side-project builders, and small SaaS engineering teams who need a reliable screenshot/PDF/OG API without enterprise contracts. Common use cases: OG image generation, blog cover screenshots, automated archiving, and product preview generation for landing pages.

What's the story behind your product?

CaptureAPI.dev's answer:

CaptureAPI was built by an indie maker tired of stitching together Puppeteer scripts, paying enterprise prices for a single feature, and dealing with hidden rate-limit surprises. It launched in early 2026 as part of the DevToolsmith portfolio with the goal of offering screenshot, PDF, and OG generation under one developer-friendly API.

Which are the primary technologies used for building your product?

CaptureAPI.dev's answer:

Next.js 16, TypeScript, Vercel Functions (Fluid Compute), Playwright for headless rendering, Sharp for image processing, Upstash Redis for rate limiting and caching, Stripe for billing, and Sentry for observability. Serverless on EU + US edge for low latency.

User comments

Share your experience with using Selenium and CaptureAPI.dev. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Selenium no reviews yet
CaptureAPI.dev no reviews yet

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We have no reviews of CaptureAPI.dev yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Selenium 9 mentions
CaptureAPI.dev 0 mentions
  • Top 7 Puppeteer Alternatives for Web Automation and Testing (2025)
    Selenium is one of the most popular and mature automated testing frameworks for web applications. Unlike Puppeteer, which is limited to Chromium, Selenium supports all major browsers—including Chrome, Firefox, Safari, and Edge—making it... - Source: dev.to / about 1 year ago
  • How to write tests in Django for JavaScript fetch
    You won't be able to test the javascript function itself from within python, but you can exercise the front-end code using something like cypress (https://cypress.io) or the older but still respectable selenium (https://selenium.dev). Source: over 3 years ago
  • Having Issues with selenium
    In addition, .find_element_by_class_name is deprecated since selenium 4.3.0 and the replacement is .find_element(By.CLASS_NAME, "class"). Check selenium's site for more info. Source: over 3 years ago

View more

Tracking CaptureAPI.dev since Mar 2026.

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