Blog

Tips, tutorials, and insights on privacy-first development and digital workflows.

Privacy2026-05-04

Stop Uploading PDFs to Online Tools — Here's What to Do Instead

Most popular online PDF tools quietly store your files on their servers. Here's how to spot them and what a real client-side tool looks like in your browser's network tab.

5 min read
Tutorial2026-04-29

PDF Compression Trade-offs: When 'Smaller' Means 'Worse'

A 90% smaller PDF is great until someone tries to print page 14 and the photo turns into mush. A short guide to picking the right compression level.

4 min read
Tutorial2026-04-22

JPEG vs PNG vs WebP in 2026 — A Quick Reference

Browser support has finally stopped being the deciding factor. Here's a short, opinionated guide to picking the right image format for the right job.

4 min read
Tutorial2026-04-15

How to Merge PDFs in the Right Order Without Re-Scanning

Page order is the most common reason a merged PDF needs to be redone. Three small habits that fix it in advance.

3 min read
Dev Tools2026-04-08

Why Password Generator Entropy Numbers Actually Matter

Most password generators show an entropy number nobody reads. Here's what 60 vs 80 vs 128 bits actually means in practice.

5 min read
Dev Tools2026-03-30

JSON Formatter Tricks Beyond Pretty-Print

Most people use a JSON formatter to add line breaks. There are a half-dozen things a good one should also do that save real debugging time.

4 min read
Dev Tools2026-03-21

Decoding JWTs Safely Without Sending Them to a Server

Pasting a JWT into the wrong online decoder hands its payload to whoever runs that site. A primer on what JWTs leak and how to inspect them safely.

5 min read
Tutorial2026-03-12

Favicon Sizes in 2026: What You Actually Need

The list of recommended favicon sizes has been growing for ten years. Here's the short, current list — three files cover almost everything.

3 min read
Tutorial2026-02-18

How to Remove Background from Images — Free, No Signup

Remove image backgrounds instantly with AI-powered detection — all processing happens in your browser.

7 min read
Dev Tools2026-02-04

Markdown to PDF: The Perfect Documentation Workflow

Write documentation in Markdown and export beautifully formatted PDFs — ideal for README files, reports, and technical docs.

7 min read
Tutorial2026-01-22

How to Compare Two PDFs and Spot Every Difference

Visually compare PDF versions side-by-side to catch edits, additions, and deletions in contracts, reports, and documents.

6 min read
Privacy2026-01-09

Browser-Based Tools vs Cloud Tools: A Privacy and Security Comparison

Why client-side processing is safer for sensitive files — and how to tell if an online tool actually protects your data.

10 min read