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M4
M4RK_YU
portfolio
Projects
Projects
Overview
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Selected case studies and write-ups
Games
Playable prototypes and game-dev logs
Gallery
Gallery
Overview
Archive
Photo collections and visual experiments
Shop
Prints, posters, and one-off objects
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Logs
Overview
Blog
Long-form devlogs and field notes
Notes
Short observations, links, snippets
Resources
Resources
Overview
Tools
38 in-browser developer utilities
Links
Daily-use dev and design bookmarks
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中文
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中文
All resources
Tool
crypto
jwt
auth
decode
JWT Decoder
Inspect a JWT — header + payload, issued/expiry badges. Decode-only, no verification.
Source
tool
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