Guides
Guides
Short, practical answers to common questions about AI text, tokens, JSON, and images, with the free tools that help.
How to Reduce LLM Token Usage
Five ways to send fewer tokens to ChatGPT, Claude, and Gemini, with real token counts: tables instead of JSON, less padding, caching, and shorter replies.
Read the guidePNG vs JPG vs WebP vs AVIF
Which image format to use for photos, screenshots, logos, and websites: how PNG, JPG, WebP, and AVIF differ in size, quality, transparency, and support.
Read the guideHow to Fix Invalid JSON from LLMs
Why AI models return broken JSON (code fences, trailing commas, cut-off replies), how to repair it, and how structured outputs stop it happening.
Read the guideHidden Characters in AI Text
What zero-width spaces, non-breaking spaces, and other invisible characters are, why they turn up in AI and copied text, and how to remove them.
Read the guideRemove Location Data from Photos
Photos can carry the exact place they were taken. Where that location data is kept or removed when you share, and how to remove it first.
Read the guide