Developer tools
UUIDs, tokens, mock JSON, SQL, and other developer fixtures.
37 tools
- UUIDdevGenerate UUIDs of every version — v1, v3, v4, v5, v6, v7, v8, nil and max.
- Nano IDdevGenerate compact Nano ID-style strings for development.
- ULIDdevGenerate sortable ULID-style identifiers for development.
- Random StringdevGenerate seeded random strings from common alphabets.
- SlugdevGenerate readable URL slug-style identifiers.
- Mock JSONdevGenerate realistic, deterministic JSON fixtures from a template.
- SQL INSERTdevGenerate safe, synthetic SQL INSERT fixtures from a table name.
- Regex StringdevGenerate seeded strings matching a supported regex pattern.
- Design TokendevGenerate seeded colour design tokens.
- Git VersiondevGenerate Git-style version strings for test data.
- Network DatadevGenerate deterministic synthetic IP addresses, MAC addresses, ports, and URLs.
- Chaos ScenariodevGenerate realistic failure scenarios for chaos testing.
- Design ScaledevGenerate design token scales (spacing, typography, radius, shadow).
- Edge Case StringsdevGenerate benign edge-case strings for testing input validation.
- Fake Crypto AddressdevGenerate dummy cryptocurrency addresses for testing.
- Fake FiledevGenerate fake filenames, paths, and file metadata for testing.
- Fake IdentifierdevGenerate formatted dummy identifiers for testing.
- Fuzz ValuesdevGenerate edge-case and boundary values for fuzz testing.
- GeohashdevGenerate geohash, H3, and tile coordinate strings.
- Invalid DatadevGenerate deliberately invalid data for negative testing and validation.
- Random API MockdevGenerate mock API endpoints, queries, and payloads for testing.
- Random Base64devGenerate random base64-encoded byte strings.
- Random ConfigdevGenerate configuration formats for development and testing.
- Random Credit CarddevGenerate Luhn-valid test credit card numbers.
- Random Cron ExpressiondevGenerate random cron schedule expressions.
- Random Git/DevOpsdevGenerate Git branches, commits, Docker tags, and Kubernetes names.
- Random HashdevGenerate random hex strings shaped like cryptographic hashes.
- Random HostnamedevGenerate realistic hostname and domain names for testing.
- Random HTTP FieldsdevGenerate HTTP methods, headers, MIME types, and protocol fields.
- Random HTTP Status CodedevGenerate random HTTP status codes with optional reason phrases.
- Random IBANdevGenerate structurally valid test IBAN numbers.
- Random IPdevGenerate realistic synthetic IP addresses, MAC addresses, and CIDR blocks.
- Random JWTdevGenerate structurally valid, unsigned JWT tokens for testing.
- Random RadixdevGenerate random numbers in different bases (binary, octal, hex, custom).
- Random User AgentdevGenerate realistic-looking HTTP User-Agent strings.
- SVG PatterndevGenerate random SVG patterns (blobs, waves, dots, grids, stripes).
- UI ThemedevGenerate complete UI theme configurations with colors, radius, shadows, and fonts.