LocalTools

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JSON Formatter and ValidatorBase64 Encode/DecodeJWT DecoderHash GeneratorSlug Generator
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Local-first MVP

No login, no analytics, no uploads for local tools.

Original MVP scaffold
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Developer tools

Format, parse, encode, decode, and generate common dev assets.

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JSON Formatter and Validator

Developer tools

Validate raw JSON and format it with readable indentation.

Runs locally
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JSON Minifier

Developer tools

Validate JSON and remove whitespace for compact output.

Runs locally
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YAML to JSON

Developer tools

Convert YAML documents into formatted JSON safely in the browser.

Runs locally
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Base64 Encode/Decode

Developer tools

Encode Unicode text to Base64 or decode Base64 back to text.

Runs locally
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JWT Decoder

Developer tools

Decode JWT headers and payloads locally without verifying signatures.

Runs locally
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UUID Generator

Developer tools

Generate one or many v4 UUIDs for development and testing.

Runs locally
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Hash Generator

Developer tools

Generate SHA-1, SHA-256, and SHA-512 hashes with Web Crypto.

Runs locally
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URL Parser

Developer tools

Break URLs into protocol, hostname, path, query parameters, and hash.

Runs locally
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