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Free QA Tools

21 free online tools: converters, generators, test design techniques, formatters, and more.

21 / 21

Test Design

3 tools
Featured

Pairwise Testing

Generate all-pairs test combinations

/tools/pairwiseOpen

Decision Table

Build decision tables for condition combinations

/tools/decision-tableOpen

Domain Testing

Generate boundary values and equivalence partitions

/tools/domain-testingOpen

Formatters & Decoders

5 tools
Most used

JSON Formatter

Format, validate, and beautify JSON data

/tools/json-formatterOpen

YAML Formatter

Format and validate YAML files, convert to JSON

/tools/yaml-formatterOpen

JWT Decoder

Decode and inspect JWT tokens

/tools/jwt-decoderOpen

Base64 Encoder

Encode and decode Base64 strings

/tools/base64Open

URL Encoder

Encode and decode URL components

/tools/url-encoderOpen

Text

4 tools

Text Compare

Compare two texts and see line-by-line differences

/tools/text-compareOpen

Regex Tester

Test regular expressions with real-time matching

/tools/regex-testerOpen

Character & Word Counter

Count characters, words, lines, and paragraphs

/tools/count-toolOpen

Text Generator

Generate Lorem Ipsum, random text, or passwords

/tools/text-generatorOpen

Generators

5 tools

User Data Generator

Generate realistic fake user data for testing

/tools/user-dataOpen

SQL Query Generator

Generate SELECT, INSERT, UPDATE, DELETE queries

/tools/sql-queryOpen

UUID / GUID Generator

Generate unique UUIDs/GUIDs (v4)

/tools/guid-generatorOpen

QR Code Generator

Generate QR codes from text or URLs

/tools/qr-codeOpen

Barcode Generator

Generate barcodes in EAN-13, Code 128, and more

/tools/barcodeOpen

Date, Time & Units

4 tools

Date Calculator

Calculate difference between dates or add/subtract time

/tools/date-calculatorOpen

Timezone Calculator

Convert time between timezones worldwide

/tools/timezone-calculatorOpen

Unix Timestamp

Convert timestamps to dates and back

/tools/unix-timestampOpen

Unit Converter

Length, weight, temperature, volume, area, speed

/tools/unit-converterOpen