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    • Tools38 in-browser developer utilities
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中文
中文
All resources
Toolencodeurlmarketing

UTM Builder

Compose UTM-tagged URLs for campaigns. Source, medium, campaign, term, content — auto-encoded, one-click copy.

Source

tool

open channel·say hi anytime · 2026
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get in touch

Saw something here?Tell me about it.

It's a portfolio, not a service · but I read every note — drop a line if anything here resonated, or just to say hi.

Start a conversation

Work

Production builds, games, and visual archives.

  • Projects
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  • Logs

Resources

Daily-use tools and a personal link library.

  • Tools
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Studio

Background, contact, and channels for collaboration.

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  • Resumepending

Socials

Find me on the usual feeds.

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M4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYUM4RKYU
Crafted since 2024
ZhenXiao Mark YuZhenXiao Mark Yu
© 2026 ZhenXiao Mark Yu·Ontario, Canada
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Built with Next.js 16 · React 19 · Tailwind 4

Built with Next.js 16 · React 19 · Tailwind 4