# SoftwareTestTips

> Software testing tools, checklists & templates

## About
SoftwareTestTips is a free, client-side collection of software testing, QA, and developer tools. Most tools run in the browser; your data is not uploaded to a server.

## Tools
- [JSON Formatter](https://softwaretesttips.com/tools/formatters/json-formatter/): Format, validate, and beautify JSON
- [Regex Tester](https://softwaretesttips.com/tools/validators/regex-tester/): Test regex with live highlights
- [Regex Builder](https://softwaretesttips.com/tools/validators/regex-builder/): Visual regex builder with pattern library
- [JSON Schema Validator](https://softwaretesttips.com/tools/validators/json-schema-validator/): Validate JSON against a schema
- [JSON Diff](https://softwaretesttips.com/tools/comparers/json-diff/): Structural JSON comparison
- [Text Diff](https://softwaretesttips.com/tools/comparers/text-diff/): Line-by-line text comparison
- [JSON to CSV Converter](https://softwaretesttips.com/tools/converters/json-csv-converter/): Bidirectional JSON and CSV conversion
- [JSON to XML Converter](https://softwaretesttips.com/tools/converters/json-xml-converter/): Bidirectional JSON and XML conversion
- [JSON to YAML Converter](https://softwaretesttips.com/tools/converters/json-yaml-converter/): Bidirectional JSON and YAML conversion
- [UUID Generator](https://softwaretesttips.com/tools/generators/uuid-generator/): Generate UUID v1, v4, v5, and NIL
- [Password Generator](https://softwaretesttips.com/tools/generators/password-generator/): Secure random passwords with options
- [Hash Generator](https://softwaretesttips.com/tools/generators/hash-generator/): MD5, SHA-1, SHA-256, SHA-512
- [Webhook Tester](https://softwaretesttips.com/tools/network/webhook-tester/): Receive and inspect webhooks
- [HTTP Header Checker](https://softwaretesttips.com/tools/network/http-header-checker/): Inspect response headers
- [DNS Lookup](https://softwaretesttips.com/tools/network/dns-lookup/): Query domain DNS records
- [SSL Certificate Checker](https://softwaretesttips.com/tools/network/ssl-checker/): Check SSL/TLS certificate details
- [CORS Tester](https://softwaretesttips.com/tools/network/cors-tester/): Test CORS policies
- [WHOIS Lookup](https://softwaretesttips.com/tools/network/whois-lookup/): Domain registration information
- [JWT Decoder](https://softwaretesttips.com/tools/encoders/jwt-decoder/): Decode and inspect JWT tokens
- [JWT Builder](https://softwaretesttips.com/tools/encoders/jwt-builder/): Create JWT tokens
- [SQL Formatter](https://softwaretesttips.com/tools/formatters/sql-formatter/): Beautify SQL queries
- [HTML Formatter](https://softwaretesttips.com/tools/formatters/html-formatter/): Prettify HTML markup
- [CSS Formatter](https://softwaretesttips.com/tools/formatters/css-formatter/): Format CSS, SCSS, and LESS
- [JavaScript Formatter](https://softwaretesttips.com/tools/formatters/javascript-formatter/): Format JS and TS code
- [YAML Formatter](https://softwaretesttips.com/tools/formatters/yaml-formatter/): Format YAML with validation
- [XML Formatter](https://softwaretesttips.com/tools/formatters/xml-formatter/): Pretty print XML documents
- [Email Validator](https://softwaretesttips.com/tools/validators/email-validator/): Validate email format
- [URL Validator](https://softwaretesttips.com/tools/validators/url-validator/): Validate URL format
- [IP Address Validator](https://softwaretesttips.com/tools/validators/ip-validator/): IPv4 and IPv6 validation
- [Phone Number Validator](https://softwaretesttips.com/tools/validators/phone-validator/): International phone formats
- [Base64 Encoder](https://softwaretesttips.com/tools/converters/base64-encoder/): Encode and decode Base64

## Articles
- [debugging-network-dns-ssl-headers](https://softwaretesttips.com/blog/debugging-network-dns-ssl-headers/): When a site or API misbehaves, the problem is often in the plumbing. A practical walkthrough of DNS lookups, certificate checks, and response header inspection.
- [generate-realistic-test-data-qa](https://softwaretesttips.com/blog/generate-realistic-test-data-qa/): Realistic fixtures catch real bugs. A guide to generating UUIDs, fake personas, and placeholder content that looks like production data - and knowing when fake data is the right call.
- [regex-testing-beginners-guide](https://softwaretesttips.com/blog/regex-testing-beginners-guide/): Regex looks like noise until you break it into pieces. This guide walks through pattern anatomy, common pitfalls, and a repeatable testing workflow.
- [test-json-apis-without-writing-code](https://softwaretesttips.com/blog/test-json-apis-without-writing-code/): You do not need a script to sanity-check an API response. Here is a practical, no-code workflow using free browser tools for formatting, validating, and converting JSON.

## For AI agents
- Full article index: https://softwaretesttips.com/blog/
- Full tool index: https://softwaretesttips.com/tools/
- Queryable knowledge base: GET https://softwaretesttips.com/llms?query=your_question (plain text) or https://softwaretesttips.com/llms/json?query=your_question (JSON)
- Full sitemap: https://softwaretesttips.com/sitemap-index.xml