YAYA JOURNAL · Yaya Blog
Turn hard problems into
steps you can follow
Practical guides for browser tools, debugging, and productivity — with clear steps, real examples, and reusable checklists.
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MD5 vs. SHA-256: How to Choose a Hash
Compare MD5 and SHA-256 by output length, use, and security limits. Generate four hashes together and resolve mismatches caused by spaces or line breaks.
Remove Duplicate Lines While Keeping Order
Remove duplicate lines while preserving original order. Learn line-by-line cleanup, whitespace and blank-line options, practical examples, and common mistakes.
Decode QR Codes from Images: Screenshot Guide
Decode a QR code from an image, dragged file, or pasted screenshot. Read it locally in your browser, copy the result, and fix common blur and cropping errors.
Convert Milliseconds to Date: Unix Timestamp Guide
Convert milliseconds to a date or turn a date into a Unix timestamp. Learn 10-digit seconds, 13-digit milliseconds, local time, UTC, and common errors.
Base64 to Text: Encode and Decode Text Online
Convert Base64 to text or text to Base64 online. Learn how Base64 works in JWTs, data URIs, and APIs, and fix common UTF-8 and padding errors.
QR Code Generator Guide: URLs, WiFi, and Business Cards in One Tool
Create QR codes for URLs, WiFi, text, phone, SMS, email, and vCards; pick the right size and error correction level; download print-ready PNGs with one click.
A Practical Way to Debug Broken API JSON with a Formatter
When an API returns minified JSON and a vague parse error, don't start by blaming the backend. This guide walks through a three-step JSON formatter workflow, plus a common-error cheat sheet and checklist.