QA HUB / TOOLS

QA tools

API & NETWORK

cURL to code converter

Convert a cURL command into JavaScript fetch, Axios or Python requests code for API testing.

URL parser

Inspect URL components, edit query parameters and rebuild URLs for API and web testing.

JWT decoder

Inspect a JWT header and payload in your browser. Decoding does not verify the token signature.

HTTP status code reference

Look up HTTP status codes from 1xx to 5xx, their meanings and common causes during API testing.

DATA GENERATORS

Test data generator

Generate sample names, email addresses, phone numbers and addresses with KZ, USA and EU presets.

Payment test cards

Find sandbox card numbers for Visa, Mastercard, Amex, 3D Secure and declined-payment test scenarios.

UUID generator

Generate random UUID v4 identifiers individually or in batches and copy them for your test data.

ENCODE & HASH

Base64 encoder and decoder

Encode text as Base64 or decode Base64 to text, with support for UTF-8 characters.

Hash and HMAC calculator

Calculate MD5, SHA-1, SHA-256, SHA-512 and HMAC values in your browser.

TEXT & JSON

JSON formatter and validator

Format or minify JSON and locate syntax errors when inspecting API requests and responses.

Text and JSON diff

Compare two text or JSON inputs side by side and highlight differences in API responses.

Regular expression tester

Test JavaScript regular expressions against sample text and inspect matching results.

TIME

Unix timestamp converter

Convert Unix timestamps to readable dates and ISO strings, or convert dates to timestamps.

Cron expression parser

Read a cron expression in plain language and inspect its next scheduled runs.

TESTING HELPERS

CSS and XPath selector tester

Test CSS, XPath and supported Playwright-style selectors against sample HTML.

QR code generator

Create a QR code from text or a URL for mobile, deep-link and scanning test scenarios.