Hand-Picked Software Testing Tools & Resources

TestDevTools is the curated collection of the best tools on the internet to supercharge your testing.

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Featured Tools

JsonMocker logo

JsonMocker

Test Data Generation

Simplify API Testing with Mock Data

Free
DB Browser for SQLite logo

DB Browser for SQLite

Data

Auto-load your database and displays the data right inside VS Code

Free
Python-Fiddle logo

Python-Fiddle

Automated Checking

An online Python compiler, IDE, and interpreter directly in the browser.

Free
DevDb logo

DevDb

Data

Auto-load your database and displays the data right inside VS Code

Free
LocalSend logo

LocalSend

DevTools

An open-source cross-platform alternative to AirDrop for all platforms.

Free
SQL Studio logo

SQL Studio

DevTools

SQL Database Explorer [SQLite, libSQL, PostgreSQL, MySQL/MariaDB, DuckDB, ClickHouse]

Free

API Testing

Fake API logo

Fake API

Free public API to test API endpoints and retrieve dummy JSON data swiftly.

Free
OpenAPI AutoSpec logo

OpenAPI AutoSpec

Automatically generates OpenAPI specifications in real-time.

Free
Keploy logo

Keploy

Generate tests and stubs for your application that actually work!

Free
Firecamp logo

Firecamp

Design, develop, test, and document their APIs effortlessly.

Free Plan
gaxios logo

gaxios

An HTTP request client that provides an Axios-like interface over top of node-fetch.

Free
Bruno logo

Bruno

Opensource IDE For Exploring and Testing Api's (lightweight alternative to postman/insomnia)

Free

Automated Checking Tools

Python-Fiddle logo

Python-Fiddle

An online Python compiler, IDE, and interpreter directly in the browser.

Free
Strikt logo

Strikt

An assertion library for Kotlin intended for use with a test runner such as JUnit, Minutest, Spek, or KotlinTest

Free
B

Base62

Encode & decode strings, bytes, and integers to Base62

Free
Hanbi logo

Hanbi

AΒ small and simple library for stubbing and spying on methods and functions in JavaScript tests.

Free
DOMLogger++ logo

DOMLogger++

Monitor, intercept, and debug JavaScript sinks.

Free
Poku logo

Poku

A cross-platform test runner that brings the JavaScript essence back to testing.

Free

Exploratory Testing Tools

Zen logo

Zen

A web browser for Windows, Mac, and Linux

Free
Perfect Bug Report logo

Perfect Bug Report

A simple checklist of the essential items to include in your bug reports.

Free
Heynote logo

Heynote

A dedicated scratchpad for developers and testers

Free
Screen Ruler: Measure The Web logo

Screen Ruler: Measure The Web

Measure sizes, distances, margins and paddings of any element on any web page.

Free
Device Simulator & Tester logo

Device Simulator & Tester

Test sites on multiple devices in one tab. Improve development, UI/UX, & QA with live previews.

Free
Tabgod logo

Tabgod

Execute any JavaScript on any open browser tab.

Free

Performance Testing Tools

Speed Bump logo

Speed Bump

TCP proxy with variable latency

Free
Uncompressed JavaScript bytes per character logo

Uncompressed JavaScript bytes per character

Fetch and process the JSON data from a WebPageTest result.

Free
K6 logo

K6

open-source load testing tool, using Go and JavaScript

Free Plan
Postman to K6 logo

Postman to K6

Converts all the Postman requests, including tests, variables, ... to K6 scripts

Free
J

Javascript Game Engines Comparison

Performance comparison of Javascript rendering/game engines.

Free
W

Web Font Analyzer

Get performance and usage implications of custom fonts.

Free

Security Testing Tools

M

Mobile Security Framework (MobSF)

All-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework.

Free
Web Check logo

Web Check

πŸ•΅οΈβ€β™‚οΈ All-in-one OSINT tool for analysing any website

Free
Indetectables Toolkit logo

Indetectables Toolkit

98 apps to perform reverse engineering and binary/malware analysis.

Free
L

Lynis

Security auditing and hardening tool, for UNIX-based systems.

Free
P

Payloads All The Things

A list of useful payloads and bypasses for Web Application Security

Free
Mariana Trench logo

Mariana Trench

Mariana Trench is a security focused static analysis platform targeting Android.

Free