Simple Tools That Solve Real Problems

Zappnia offers a collection of free, privacy-focused online tools to help you create, convert, and optimize files instantly in your browser.

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Image Size Increaser

Increase the resolution of your images without losing quality using simulated upscaling.

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PDF Compressor

Reduce the file size of your PDF documents while maintaining quality.

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JSON Formatter

Format and validate JSON data with this simple online tool.

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Why use Zappnia?

Lightning Fast

Optimized for speed. Get your tasks done in seconds, not minutes.

Privacy First

We process files locally when possible. Your data stays yours.

100% Free

No subscriptions, no hidden fees. Just useful tools for everyone.