🔓 Free Online Tools

⚡ Speed Up Your Workflow — One-Click Base64, JSON, URL & JWT Tools

Free Online Developer Tools

Simple, fast, private. No uploads, no registration.

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Base64 Encoder & Decoder

Encode text, files, and images to Base64. Decode Base64 back to original format.

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URL Encoder & Decoder

Encode URLs, decode percent-encoded strings, parse query parameters.

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JSON Formatter & Validator

Format JSON with indentation, minify, validate, and fix common errors.

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Markdown Preview

Write Markdown and see the rendered HTML preview in real-time.

〈/〉

HTML Entity Encoder & Decoder

Convert special characters to HTML entities (&lt; ↔ <) and back.

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JWT Parser

Decode JWT header and payload. Inspect claims without verifying signatures.

🔒 100% Client-Side, Your Data Never Leaves the Browser
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