Splinter
Open source tool for testing web applications.
- Status
- Not yet determined
- Last checked
- Aging · Sep 4, 2026
- License
- Open source
- Pricing
- Free tier · from $0
What it is
Splinter is an open-source tool that simplifies the process of testing web applications. It provides a simple and powerful API to automate browser actions, making it easier to ensure your web application works as expected across different browsers and environments.
Splinter stands out for its simplicity and ease of integration into existing Python-based testing workflows, making it an ideal choice for teams looking to quickly add robust web application testing capabilities.
When it fits — and when it doesn’t
A good fit for
Developers who need to automate browser testing for their web applications
Teams that require cross-browser testing capabilities without the complexity of setting up multiple environments manually
Look elsewhere if
Projects requiring real-time interaction with a live server during tests, as Splinter operates in a more controlled environment
Applications where performance profiling is critical, as browser automation can introduce additional overhead
Known weaknesses
Each one links to the public issue, changelog or docs page it came from, where we have one.
- 01
Limited browser support compared to other web testing tools
Does not natively support modern browsers like Microsoft Edge or Safari without additional configuration
- 02
Performance issues with complex web applications
Tests can become slow and unreliable when dealing with heavy JavaScript frameworks such as React or Angular
What it does well
Simplified API for web testing
Supports multiple browsers including Chrome, Firefox, and PhantomJS
Integration with popular Python testing frameworks like pytest
Pricing
- Free tier
- YesOpen source — free to use
- Paid from
- $0
- Model
- Flat rate
- Enterprise plan
- No
Pricing not independently confirmed — check the vendor’s page.
Performance benchmarks
How Fast Is It?
Set up Splinter
Setup steps, common gotchas and what to check after 30 days.