Compare 44 free testing tools, free tiers, and developer deals. 2 require an application or qualification. We could not confirm today's terms for 25 of them: on 17 the page we cite did not answer, and on 8 our own read did not confirm them. Each row says why.
What this name holds: Test runners, coverage, visual review and the hosted grids that execute a suite.
3 other names here answer “how do I check the code and the browser”, and each holds a different list: Browser Automation (10), Code Quality (20), Web Scraping (22).
We track 44 testing services with a free tier we hold as current and 1 without. This category has seen some movement — 9 pricing changes recorded across vendors.
| Vendor | Tier | Description | Read / catalogue date |
|---|---|---|---|
| Checkly | Hobby | Synthetic monitoring — 10 uptime monitors, 1K browser check runs, 10K API check runs/month, 6 locations | 2026-11-03 |
| Cypress Cloud | Starter | 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. | 2026-11-05 |
| Postman | Free | Free plan for one user: 50 Postman AI credits a month, the API client and core tools, specs and mock servers, native Git, unlimited manual Flows, automated API testing with the Collection Runner (without data files), unlimited local performance testing and 1,000 API monitoring requests a month. Cloud performance testing is on paid plans only, at $0.04 per virtual-user hour. Team collaboration needs the Team plan ($19 per user a month, billed annually).Our read on 2026-10-24 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-10-24 / 2026-10-01 |
| BrowserStack Percy | Free | 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 tierWe could not read the page we cite for this offer when we last looked, on 2026-11-08, so we cannot confirm these terms today. | 2026-07-23 · tried 2026-11-08, no read |
| Chromatic | Free | Visual regression testing by the Storybook team — 5,000 snapshots/month, Chrome-only, unlimited projects and collaborators, Git and CI integrations, UI version tracking | 2026-11-09 |
| Codecov | Developer | 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 | 2026-11-08 |
| LocalStack | Free | AWS cloud emulator for local development. Hobby is free for hobbyists and other non-commercial use, with a LocalStack account: 30+ emulated services, 1 personal sandbox and test runs in CI. Base is $39 per license a month billed annually, or $45 billed monthly, with 55+ services. Ultimate is $89 per license a month billed annually, with 110+ services. LocalStack for Snowflake is priced separately.
|
2026-11-02 |
| Testcontainers | Open Source | Open-source libraries for spinning up throwaway Docker containers in integration tests. Supports 50+ modules (databases, message brokers, AWS via LocalStack module). MIT license. Java, Go, .NET, Node.js, Python, Rust. Testcontainers Cloud bundled with Docker subscriptions (100 min/month on Docker Pro) | 2026-11-13 / 2026-08-22 |
| Moto | Open Source | Open-source Python library that mocks AWS services for testing. Covers 100+ AWS APIs including S3, DynamoDB, Lambda, SQS, SNS, IAM, EC2. Apache-2.0 license. No cloud component, no auth required. Drop-in replacement for boto3 calls in testsThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today. | 2026-10-10 / 2026-08-23 |
| AWS SAM CLI | Open Source | 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 runtimesThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-10, so we cannot confirm these terms today. | 2026-10-10 / 2026-08-13 |
| Grafana k6 Cloud | Free | Grafana Cloud k6 load testing. Always free: 500 virtual user hours (VUh) per month, 14-day retention for k6 performance tests, community support, no credit card required. Minimum 1 VUh per test. | 2026-11-09 |
| Appetize | Free | 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.
|
2026-11-03 / 2026-08-05 |
| Argos | Free | Open Source visual testing for developers. Unlimitedprojects, with 5,000 screenshots per month. Free for open-source projects.When we read the page we cite for this offer on 2026-09-30, we could read no amount, tier or rate on the page, and we have read it again since, on 2026-11-13, without confirming the terms above, so we cannot confirm these terms today. | 2026-11-13 / 2026-08-04 |
| Bencher | Free | A continuous benchmarking tool suite to catch CI performance regressions. Free for all public projects. | 2026-11-03 |
| BugBug | Free | Lightweight test automation tool for web applications — 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. | 2026-11-11 |
| checkbot.io | Free | Browser extension that tests if your website follows 50+ SEO, speed and security best practices. Free tier for smaller websites. | 2026-11-13 |
| CORS-Tester | Free | A free tool for developers and API testers to check if an API is CORS-enabled for a given domain and identify gaps. Get actionable insights.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-05 |
| everystep-automation.com | Free | Desktop tool that records and replays the steps made in a web browser and creates scripts. The EveryStep Web Recorder is free; paid monitoring plans start at $38.99/month, with a 30-day free trial.We could not read the page we cite for this offer when we last looked, on 2026-11-13, so we cannot confirm these terms today. | 2026-08-24 · tried 2026-11-13, no read |
| gridlastic.com | Free | Selenium Grid testing on AWS. The Free plan is $0 a month with 5 grid starts every 30 days, each running up to 2 hours, and 2 parallel selenium nodes.Our read on 2026-11-04 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-04 / 2026-08-05 |
| katalon.com | Free | 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.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-02 |
| Keploy | Free | 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.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-04 |
| loadmill.com | Free | Automatically create API and load tests by analyzing network traffic. Simulate up to 50 concurrent users for up to 60 minutes for free monthly. | 2026-11-08 / 2026-08-05 |
| lost-pixel.com | Free | holistic visual regression testing for your Storybook, Ladle, Histoire stories and Web Apps — 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 could not read the page we cite for this offer when we last looked, on 2026-10-28, so we cannot confirm these terms today. | 2026-10-03 · tried 2026-10-28, no read |
| pagegym.com | Free | 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.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-05 |
| qase.io | Free | Qase is a test management system for Dev and QA teams. The Free plan is $0 per user/month, free forever. It is for "students, hobbyists, educators, and non-profits to learn the basics of a TMS." Free limits include up to 2 projects, 500 MB storage, 30-day test history, 5,000 API results a month, 4 full seats, 2 active test runs. Free does not include custom fields, test case review, integrations, webhooks, requirements traceability, dashboards, SSO or audit logs. Teams is $35 per user/month billed annually, from 5 seats.Our read on 2026-11-03 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-11-03 / 2026-08-03 |
| seotest.me | Free | 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.We could not read the page we cite for this offer when we last looked, on 2026-11-13, so we cannot confirm these terms today. | 2026-08-05 · tried 2026-11-13, no read |
| snippets.uilicious.com | Free | 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.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-11-12, so we cannot confirm these terms today. | 2026-11-12 / 2026-08-06 |
| SSR (Server-side Rendering) Checker | Free | Check SSR (server-side rendering) for any URL by visually comparing the server rendered version of the page with the regular version.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-07-12 |
| testingbot.com | Free | Selenium Browser and Device Testing, [free for Open Source](https://testingbot.com/open-source) | 2026-11-01 |
| Testspace.com | Free | 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.When we last read the page we cite for this offer, on 2026-11-04, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today. | 2026-11-04 / 2026-08-03 |
| tesults.com | Free | 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. | 2026-10-31 |
| UseWebhook.com | Free | Capture and inspect webhooks from your browser. Forward to localhost, or replay from history. Free to use.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-05 |
| Vaadin | Free | Vaadin Core is free & open source, Apache 2.0 licensed. Maintenance is available as a paid service for up to 15 years per version. | 2026-11-07 |
| webhook.site | Free | Verify webhooks, outbound HTTP requests, or emails with a custom URL — The free tier allows a maximum of 50 requests. URLs expire. | 2026-11-11 |
| websitepulse.com | Free | Various free network and server tools.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-11, so we cannot confirm these terms today. | 2026-10-11 / 2026-08-04 |
| kogiQA | Free | A web UI automation tool that functions without the need for selectors. Every developer gets 500 actions per month for free. | 2026-11-07 |
| Selenium Grid | Open Source | Open source browser automation and testing framework. Self-hosted grid for parallel test execution across browsers. No usage limits.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today. | 2026-10-14 / 2026-08-16 |
| BrowserStack | Open Source | 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.Restricted to oss (BrowserStack Open Source) applicants — not generally available.Eligibility: Must be a public open source projectThe page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today. | 2026-10-14 / 2026-08-16 |
| Sauce Labs | Open Source | Free for open source: unlimited testing minutes on 3 parallel sessions across 96+ OS/browser combinations. Test results are publicly accessible.Restricted to oss (Open Sauce) applicants — not generally available.Eligibility: Public open source project required; Test results publicly accessibleOur read on 2026-10-25 found the page different from the terms we hold, and we hold no confirmation of the terms we publish. | 2026-10-25 / 2026-08-16 |
| LambdaTest | Free | 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. | 2026-11-06 |
| Applitools Eyes | Trial | AI-powered visual testing for Playwright, Cypress, Selenium and Storybook — no permanent free tier. Free trial; the Starter plan is $667/month paid annually, with unlimited users and 100,000 component checkpoints or 1,000 page checkpoints. | 2026-11-06 |
| Artillery | Open Source | The free tier includes 30 reports/month. | 2026-11-05 |
| Gatling | Open Source | 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. | 2026-11-07 |
| Locust | Open Source | Open source (MIT) Python-based load testing framework with distributed execution. Locust Cloud free tier: 200 VU-hours/month, max 100 concurrent virtual users.The page we cite for this offer states no amount, tier or rate we can read when we last looked, on 2026-10-14, so we cannot confirm these terms today. | 2026-10-14 / 2026-08-15 |
| BlazeMeter | Free | Free Starter plan: 50 max virtual users, 10 tests/month, 20-minute max test duration, 1-week data retention, 1,000 API monitoring requests/month.When we last read the page we cite for this offer, on 2026-10-25, we found a change we could not reconcile with the terms we publish, so we cannot confirm these terms today. | 2026-10-25 / 2026-08-14 |