How To Convert HTML To PDF Without Breaking Layout
A practical workflow for converting HTML files or pasted markup to clean PDFs while preserving spacing, typography, and print structure.
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Practical guides for every tool
Each guide is written for real workflows: what to do, what to avoid, and how to get cleaner output faster.
How To Compress PDF Files Without Losing Usability
A practical guide to reducing PDF size for email, portal uploads, and document sharing while keeping text readable and pages stable.
Merge And Split PDF Files The Right Way
A workflow guide for combining PDFs, extracting page ranges, and splitting large files into clean, shareable document parts.
How To Shift Subtitle Timing In VTT Files Accurately
Fix subtitles that appear too early or too late using a repeatable time-shift workflow for WebVTT files.
Convert SRT, SCC, And ITT Subtitles To WebVTT
A practical conversion guide for turning common subtitle formats into clean, web-friendly VTT files.
Crop Images By Exact Pixels Without Guesswork
Learn how to crop JPG and PNG images with exact dimensions or freeform selection for social, web, and document use.
Convert Images Between PNG, JPG, WEBP, ICO, And TIFF
A format-selection guide for converting images to the right output type based on quality, transparency, compatibility, and size.
Compress JPG, PNG, And HEIF Images With Better Results
A step-by-step approach for reducing image file size while keeping acceptable visual quality for web, email, and document uploads.
Combine Images Into One PDF For Fast Sharing
A practical guide for creating clean, ordered image-to-PDF files from JPG and PNG inputs for documentation, submission, and archiving.
Generate QR Codes That Scan Reliably
A quality-focused guide for creating QR codes for links, text, and operational use with better scan success on both print and mobile screens.
Use A Random Picker Wheel Fairly For Names And Numbers
A fairness-first guide for using a random spinner in classrooms, teams, games, and decision workflows.
Why 'Free' Online Tools Are Not Actually Free
The word 'free' is everywhere online — and almost always a lie. Here is what actually happens when you use a 'free' tool, and why I built Codes of Hex to be different.
Building Codes of Hex: What Two Years of Self-Taught Development Taught Me
How a gamer's instinct for resourcefulness became a growing set of free online tools — and what the AI-first approach to development actually looks like in practice.
What Actually Happens To Your Files When You Use A Free Online Converter?
Most people upload files to free online tools without thinking about what happens next. Here is what the terms of service actually say, what the risks are, and how to evaluate any tool before you upload something sensitive.
