devtools
🔒 Local processing
Developer toolbox

Tools for the work between systems.

Use focused utilities for common data, API, and code transformation tasks. Everything in the current toolbox runs locally in your browser.

JSON Formatter & Validator

Beautify, minify, and validate JSON locally with clear errors.

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JWT Decoder

Decode JWT headers and payloads locally and inspect expiry claims.

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Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 values in your browser.

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URL Encoder / Decoder

Encode URL components or decode percent-encoded text locally.

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Unix Timestamp Converter

Convert Unix seconds or milliseconds to readable dates and back.

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UUID Generator

Generate secure UUID v4 identifiers locally in your browser.

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JSON Diff

Compare two JSON or JSON5-style documents and see structural changes clearly.

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XML Diff

Compare XML documents with readable structural differences.

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SOAP Diff

Compare SOAP 1.1 or SOAP 1.2 envelopes, headers, bodies, and Faults locally.

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Text Diff

Compare plain text with readable additions and removals.

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Regex Tester

Test regular expressions and inspect matches and capture groups.

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JSON to TypeScript

Generate TypeScript interfaces from JSON examples locally.

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JSON to Java

Generate Java classes or records from JSON examples.

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JSON to YAML

Convert JSON to readable YAML in your browser.

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YAML to JSON

Convert YAML to formatted JSON locally.

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cURL to Code

Turn common cURL requests into code for popular languages.

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Cron Expression Parser

Explain cron expressions and calculate upcoming runs locally.

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