Browse by category

Structured tool collections for focused engineering workflows.

API

Build, mock, inspect, compare, and debug API workflows without leaving the browser.

20 tools
API Contract TesterAPI Mock Server GeneratorAPI Request BuilderAPI Response Comparator

JSON

Format, diff, validate, and generate structured JSON payloads and schemas.

6 tools
JSON Diff CheckerJSON Schema ValidatorJSON to Code GeneratorJSON Utilities

DevOps

Generate pipeline configs, validate infra files, and streamline deployment workflows.

12 tools
CI/CD Pipeline VisualizerCron Expression GeneratorDocker Compose ValidatorDockerfile Generator

QA

Create assertions, selectors, cases, and checks that make debugging faster.

10 tools
Accessibility CheckerAssertion GeneratorBug Report HelperJSON Test Case Generator

Security

Decode tokens, verify signatures, inspect certificates, and check credential hygiene.

10 tools
Base64 / JWT PlaygroundCloud IAM Policy ValidatorCrypto Key GeneratorHash Generator

Performance

Analyze latency, SLA, concurrency, and request timing artifacts in one place.

5 tools
Concurrency SimulatorHAR File AnalyzerLoad Test Result AnalyzerResponse Time Percentile Calculator

Encoding

Encode, decode, compress, and inspect binary-safe payload formats and transport encodings.

7 tools
Brotli Compressor / DecompressorDeflate Raw UtilityGzip UtilityHex Encoder / Decoder

Data

Convert formats, generate fixtures, and work with structured datasets and identifiers.

8 tools
Colour Format ConverterCSV / JSON ConverterData GeneratorNumber Base Converter

Date & Time

Convert timestamps and time formats used in logs, reports, schedules, and assertions.

3 tools
Timestamp ConverterTimestamp ConverterTimezone Converter & World Clock

Text

Format, inspect, transform, and draft text-heavy content for daily engineering work.

6 tools
HTML Tools ToolkitMarkdown Preview & FormatterOnline NotepadSQL Formatter

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