Welcome to Nice NPC

Useful network tools including UUID generation, QR Code generation, Base64 encoding/decoding, Hash generation and JSON formatting. All tools are completely free, no registration required, protecting your privacy.

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UUID Generator

Batch generate unique identifiers with multiple format options

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QR Code Generator

Convert text or URLs to QR Code, supporting multiple formats and sizes

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Base64 Encoder/Decoder

Bidirectional conversion between text and Base64 encoding, instant processing

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Hash Generator

Support for multiple hash algorithms including MD5, SHA-256, SHA-512

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JSON Formatter

Beautify, minify and validate JSON data with syntax checking

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More Tools Coming Soon

We are developing more useful tools, stay tuned

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Fast and Efficient

All tools are processed instantly in the browser or server, with quick response

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Privacy Protection

We do not store any of your input data, protecting your privacy and security

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Completely Free

All tools are completely free to use, no registration or login required