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Tips, tutorials, and updates from the Molixa team
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HS256 vs RS256: Which JWT Algorithm to Use
HS256 uses one shared secret; RS256 uses a private key to sign and a public key to verify. The right choice hinges on who needs to verify your tokens. Here is a clear decision framework.
How to Summarize a PDF With Real Page Citations
A summary you can't verify is a liability. This guide shows how page-cited PDF summaries work and why they matter for legal, research, and study use.
Do You Pay Tax on Crypto Staking Rewards?
Staking rewards can be taxed twice: once as income when received, again as a gain when sold. Here is how it works across four countries and how to track it.
How to Reduce Photo File Size on iPhone for Upload
iPhone photos are huge because of resolution and HEIC quirks. The built-in Mail and camera-format tricks help, but for a hard upload limit you need exact control. Here is the free, no-app, no-upload way.
Best Free Schema Markup Generators in 2026
Not all free schema generators are equal. We compare them on supported types, JSON-LD vs Microdata vs RDFa output, and built-in validation so you pick the right one for your stack.
Best Free Invoice Generators (No Watermark)
Most free invoice tools slap on a watermark or gate PDF export behind a signup. We compare the genuinely free options on watermarks, currencies, logo upload, and privacy so you can pick one and send your invoice now.
JWT alg:none and Confusion Attacks Explained
Two classic JWT attacks, alg:none and RS256-to-HS256 confusion, both exploit servers that trust the alg header. This breaks down each attack step by step and the one-line allowlist fix that defeats them.
Chat With Any PDF Free: Ask Questions, Get Answers
Reading a 90-page PDF to find one answer is wasteful. Learn how chat-with-PDF works, when citations matter, and how to get page-anchored answers free.
Best Free Password Generators (2026)
Not all password generators are equal. Some phone home, some use weak randomness, and few show you the entropy. We compare the best free password generators of 2026 on privacy, randomness quality, passphrase support, and built-in breach checks.
ERC-20 vs ERC-721 vs ERC-1155: Differences
Three token standards, three jobs. ERC-20 for currencies, ERC-721 for unique NFTs, ERC-1155 for both at once. Here is how to choose and what each one costs.
Reduce Image File Size for Email Attachments
Your image is still too large after compressing because you skipped the real fix: resizing. Here is how to get any photo under the 500KB email-safe limit using resize, EXIF strip, and the right format, free and private.
Why Google Rewrites Your Title Tags (and Fixes)
Google rewrites most titles and descriptions, but a rewrite is not a penalty. Here are the five triggers you actually control and how to write a snippet Google is happy to keep.