testing

Fire a test HTTP request at a webhook URL and inspect the raw response.

Send a GraphQL query or mutation to any endpoint and see the raw response.

Generate a paragraph of pseudo-random filler text and download it as a .txt file.

Randomly corrupt a percentage of characters in a text file to simulate bit rot or a bad download.

Download a zero-byte placeholder file with any filename you choose.

Generate a file of cryptographically random bytes and download it as .bin, with a hex preview.

Extract an exact byte range from a text file, like dd or tail -c, without splitting characters.

Cut a text file down to an exact maximum byte size, without splitting multi-byte characters.

Generate realistic fake JSON data from a template whose values are type-hint keywords.

Deliberately corrupt valid JSON with random syntax mutations for testing error handling.

Generate a random flat JSON array of numbers, strings, booleans, or a mix.

Generate a random flat JSON object with a chosen number of realistic-looking keys.

Deliberately break well-formed XML in one random way, for building parser test fixtures.

Generate realistic-looking random YAML for testing and demos.

Deliberately corrupt valid YAML with reproducible syntax errors, for testing parsers and linters.

Generate a jest.config.js or vitest.config.ts with test environment, coverage, setup files, and path aliases.

Independently mutate each digit of every integer in a list at a controlled rate, for controlled parser corruption testing.

Generate randomized digit-level fuzz input from a list of integers, for stress-testing parsers.

Deterministically corrupt a chosen number of whole integers in a list, for testing parser error handling.

Generate a curated list of numeric edge cases (boundaries, safe-integer limits), padded with extra values as needed.

Randomly introduce typos into a chosen percentage of list items, for testing fuzzy matching or validation.