Guides
Developer guides
Original tutorials on private, browser-based workflows — written for engineers who care what happens to the text they paste into online tools.
- 8 min read
How to Format JSON Safely in Your Browser
Learn how to pretty-print and validate JSON locally without uploading API payloads or secrets to a third-party server.
Read guide → - 9 min read
Decode JWT Tokens Without Uploading Them
Understand JWT header and payload claims, why decoding is not verification, and how to inspect tokens privately in the browser.
Read guide → - 7 min read
Base64 Encoding Is Not Encryption
Clear explanation of Base64 vs encryption, when to encode or decode, and how to use a private Base64 tool for UTF-8 text.
Read guide → - 8 min read
Why Private Browser Developer Tools Matter
Why ShadowReference runs every tool in your browser, what “no upload” really means, and how that helps day-to-day engineering work.
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