OpenCorex

Community tools

Open-source tools built for everyone

Free, no-account-required utilities crafted by the OpenCorex community. Every tool runs in your browser and respects your privacy.

Utility

QR Code Generator

Create styled QR codes for links, Wi-Fi, contacts, menus, and more.

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External

CV Generator

Build a professional CV and export a print-ready document.

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Developer

JSON Formatter

Validate, format, minify, and download JSON instantly.

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Media

Image Compressor

Resize and compress images locally in your browser.

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Security

Password Generator

Generate strong, customizable passwords offline.

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Writing

Markdown Editor

Write Markdown with a live preview and file export.

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Documents

PDF Toolkit

Select PDFs, inspect them, and prepare a printable bundle.

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Developer

Developer Encoder

Encode URLs and Base64, create UUIDs, and calculate hashes.

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Design

Color Toolkit

Convert colors, build palettes, and check accessibility contrast.

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Business

Invoice Generator

Create a clean invoice and print or save it as PDF.

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