Compare 45+ free testing tools — Cypress, BrowserStack, Playwright, k6, Percy, Chromatic, Postman, Selenium, and more. Exact free tier limits by testing domain. Verified July to September 2026.
Testing infrastructure is one of the fastest-growing developer tool categories — and one of the most expensive to scale. Cloud-based browser testing, visual regression snapshots, and load test minutes all add up quickly. The good news: the free tier landscape is strong. Cypress Cloud offers 500 test results/month. BrowserStack and Sauce Labs are free for open-source projects. Grafana k6 Cloud gives 500 virtual user hours/month. Chromatic provides 5,000 snapshots/month for visual regression.
This page compares every free testing tool in our index — 45 tools across browser testing, visual regression, load/performance testing, E2E automation, API testing, code coverage, and local development. Whether you need a BrowserStack alternative or a load testing solution, we have the comparison with exact free tier limits.
Recent Testing Tool Pricing Changes
Postman: Free plan now single-user only. Team collaboration (shared workspaces, collection sharing) requires paid plan at $19/... Source ↗
LocalStack: LocalStack drops open-source Community Edition. Single unified image requires auth token. Free tier replaced with non... Source ↗
LocalStack: Community Emulator still available as open source despite earlier discontinuation announcement. Free tier rebranded a... Source ↗
Postman: The free tier now includes 50 AI credits and has limitations on API monitoring requests (1,000 requests/month). Team ... Source ↗
Cypress Cloud: The Starter tier, which is free, now includes 10 users instead of 50, and carries a new limit of 100 prompt execution... Source ↗
LocalStack: The Hobby plan is still available and free, but the details have been updated. The number of emulated services is sti... Source ↗
Cloud-based browser testing services for cross-browser compatibility, mobile testing, and Selenium Grid hosting. Run your tests on real browsers and devices without maintaining your own infrastructure.
Test your Android & iOS apps on this Cloud Based Android Phone / Tablets emulator and iPhone/iPad simulators directly in your browser. The free tier includes two concurrent session with 30 minutes of usage per month. No limit on app size.
Free for open source projects: unlimited testing on 3,000+ real browsers and devices, 5 users, 5 parallel sessions. Includes Live, Automate, App Live, and App Automate.
Now TestMu AI — the pricing page is titled "TestMu AI (Formerly LambdaTest)". Testing cloud for web and mobile. The pricing page is tabbed by product (KaneAI, Test Manager, Agent Testing, HyperExecute, Performance Testing, Live Testing, Automation, SmartUI) and free availability differs by tab. Test Manager publishes a $0 "Free Forever" plan: unlimited projects, advanced folder management, centralised test case management, unlimited test run creation and management, and 24×7 support; Test Manager Premium is $49/month billed annually. KaneAI Starter is $17/month billed annually. Checked 2026-09-02.
Automated screenshot comparison tools that catch visual bugs before they reach production. Integrate with your CI pipeline to detect unintended UI changes on every pull request.
Visual regression testing — 5,000 screenshots/month, unlimited users and projects, 30-day build history. Note: BrowserStack browser testing is trial-only; only Percy visual testing has a permanent free tier
Visual regression testing by the Storybook team — 5,000 snapshots/month, Chrome-only, unlimited projects and collaborators, Git and CI integrations, UI version tracking
Superseded: As of 2026-08-28, lost-pixel.com reads: Lost Pixel is sunsetting the product and building what's next. A 'Hobby Free' tier is available with 7,000 shots per month. Paid tiers include Startup ($100/mo, 40,000 shots), Business ($250/mo, 100,000 shots), and Scale ($670/mo, 300,000 shots). We are not publishing our stored lost-pixel.com terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Superseded: As of 2026-09-03, applitools.com/platform-pricing reads: The Starter plan costs $667 / mo (paid annually) and includes Unlimited users, 100,000 component checkpoints or 1,000 page checkpoints. We are not publishing our stored Applitools Eyes terms beside it — our own pricing change record, discovered 2026-09-03, names them as the previous ones. Read what we recorded ↓
Load testing and performance benchmarking tools. Simulate thousands of concurrent users to find bottlenecks before your users do. From scriptable open-source frameworks to managed cloud platforms.
Superseded: As of 2026-08-28, grafana.com/pricing reads: Free tier includes all Grafana Cloud services with limited usage. Specifically, 10k active series per month for metrics, and 50 GB ingested per month for logs, traces, and profiles. 14 days retention. Community support. We are not publishing our stored Grafana k6 Cloud terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Superseded: As of 2026-09-02, artillery.io/pricing reads: The free tier includes 30 reports/month. We are not publishing our stored Artillery terms beside it — our own pricing change record, discovered 2026-09-02, names them as the previous ones. Read what we recorded ↓
Community Edition: open source load testing tool (Apache 2.0). Self-hosted local execution with multi-language SDKs (Java, Scala, Kotlin, JS, TS). No usage limits.
End-to-end test runners and automation platforms. Record, write, and execute tests that simulate real user flows — from clicking buttons to filling forms to verifying API responses.
Superseded: As of 2026-09-05, cypress.io/pricing reads: Starter is priced Free with no credit card required, and now includes 10 users, 500 test results / month and 100 prompt execs / month. The compare table prices Team at $799 / year and Business at $3,199 / year, and Cypress Cloud remains free to use for non-commercial open-source public projects. We are not publishing our stored Cypress Cloud terms beside it — our own pricing change record, discovered 2026-09-05, names them as the previous ones. Read what we recorded ↓
Superseded: As of 2026-08-28, bugbug.io reads: The Free plan includes: Unlimited local test runs, 15 tests, 4 test suites, 1 user, 1 project, AI Test recorder, Components, Edit & rewind, Screenshots, 7 days of tests history. We are not publishing our stored BugBug terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Desktop tool that records and replays all steps made in a web browser and creates scripts. 30-day free trial only — no permanent free tier. Paid licenses required after trial.
Provides a testing platform that can help teams of all sizes at different levels of testing maturity, including Katalon Studio, TestOps (+ Visual Testing free), TestCloud, and Katalon Recorder.
Keploy is a functional testing toolkit for developers. Recording API calls generates E2E tests for APIs (KTests) and mocks or stubs(KMocks). It is free for Open Source projects.
Tools for testing REST APIs, GraphQL endpoints, webhooks, and CORS configurations. From full-featured API development environments to single-purpose debugging utilities.
Superseded: As of 2026-09-02, postman.com/pricing reads: The Free plan costs $0 per month and includes 50 AI credits, an API client, core tools, specs & mock servers, native Git, Collection Runner & Performance Testing runs, manual Flows, and 1,000 API monitoring requests per month. We are not publishing our stored Postman terms beside it — our own pricing change record, discovered 2026-09-02, names them as the previous ones. Read what we recorded ↓
Superseded: As of 2026-08-28, webhook.site reads: The free tier allows a maximum of 50 requests. URLs expire. We are not publishing our stored webhook.site terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Code coverage reporting, test result tracking, and quality metrics. Integrate with your CI to enforce coverage thresholds and track test health over time.
Code coverage reporting and analytics — Developer plan free for 1 user with unlimited public and private repos, 250 private uploads/month. Always free and unlimited for open-source. PR comments, status checks, patch coverage, bundle analysis included. Integrates with GitHub, GitLab, Bitbucket CI/CD
Test management system for Dev and QA teams. Manage test cases, compose test runs, perform tests, track defects, and measure impact. The free tier includes all core features, with 500MB available for attachments and up to 3 users.
A Dashboard for publishing automated test results and a Framework for implementing manual tests as code using GitHub. The service is [free for Open Source](https://github.com/marketplace/testspace-com) and accounts for 450 monthly results.
Test results reporting and test case management. Integrates with popular test frameworks. Open Source software developers, individuals, educators, and small teams getting started can request discounted and free offerings beyond basic free projects.
Tools for running cloud services locally during development and testing. Emulate AWS services, spin up test databases in containers, and mock external APIs without cloud costs.
AWS cloud emulator for local development. Free Hobby plan: 30+ emulated services, 1 personal sandbox, CI testing, VS Code integration, requires registration. Community Emulator still available as open source. Starter plan $39/month (55+ services). Ultimate $89/month (110+ services)
Official AWS Serverless Application Model CLI for local Lambda and API Gateway testing. Runs Lambda functions locally via Docker, emulates API Gateway, generates events. Open source (Apache-2.0). No AWS account required for local testing. Supports Python, Node.js, Go, Java, .NET, Rust runtimes
Load behvariour and page speed analysis and optimization tool. The free plan provides 10 tests per day, 5 experiments per week, and 15 GB of maximum ingested data per month.
Free on-page SEO website tester. 10 free website crawls per day. Useful SEO learning resources and recommendations on how to improve the on-page SEO results for any website regardless of technology.
It's like CodePen but for cross-browser testing. UI-licious lets you write tests like user stories and offers a free platform - UI-licious Snippets - that allows you to run unlimited tests on Chrome with no sign-up required for up to 3 minutes per test run. Found a bug? You can copy the unique URL to your test to show your devs exactly how to reproduce the bug.
Superseded: As of 2026-08-28, vaadin.com reads: Vaadin Core is free & open source, Apache 2.0 licensed. Maintenance is available as a paid service for up to 15 years per version. We are not publishing our stored Vaadin terms beside it — our own pricing change record, discovered 2026-08-28, names them as the previous ones. Read what we recorded ↓
Cypress Cloud leads for JavaScript E2E with 500 free results/month and a polished dashboard. BrowserStack and Sauce Labs are unbeatable for OSS projects needing cross-browser coverage. For load testing, Grafana k6 Cloud gives 500 VUh/month with the popular k6 scripting framework. Chromatic dominates Storybook visual testing at 5K snapshots/month. Verified July to September 2026.
Which Free Testing Tool Should I Use?
Need cross-browser testing for an open-source project?
BrowserStack and Sauce Labs both offer free plans for open-source projects, including real devices and parallel testing. LambdaTest gives 60 free minutes/month for private projects.
Setting up E2E tests for a JavaScript app?
Cypress Cloud — 500 test results/month free with parallelization, screenshots, and video recordings. The Cypress framework itself is open-source. Checkly adds synthetic monitoring on top of Playwright tests.
Want to catch visual regressions in CI?
Chromatic for Storybook projects (5K snapshots/month). BrowserStack Percy for cross-browser visual diffs (5K screenshots/month). Applitools Eyes for AI-powered visual comparison (50 Test Units/month, unlimited users).
Need load testing for your API?
Grafana k6 Cloud — 500 VUh/month free with the scriptable k6 framework. Artillery, Gatling, and Locust are fully open-source alternatives you can self-host.
Testing REST APIs and webhooks?
Postman for full API development workflows (free since March 2026 for single users). webhook.site and UseWebhook.com for quick webhook debugging.
Want code coverage reporting in CI?
Codecov — free for up to 5 users with GitHub/GitLab integration and PR coverage comments. Bencher for continuous benchmarking and performance tracking.
Need to test against AWS services locally?
LocalStack emulates 30+ AWS services locally (free tier). Testcontainers for spinning up disposable Docker containers in tests. Moto for Python AWS mocking.
Looking for open-source test automation?
Selenium Grid for browser automation across languages. Locust for Python load testing. Gatling for Scala/Java performance tests. All free, self-hosted, no limits.
Looking for more? Browse all Testing tools in our full index of 1,547+ developer deals.
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