Helpful guides for local-first tools
These pieces are here to answer the kinds of small, practical questions people usually have right before they use a tool: which format makes sense, what to resize first, and when a local workflow is the safer choice.
You can read these from start to finish, but they also work well as quick references when you just want a useful answer and a direct link to the matching tool.
13 guide articles are live right now, with each one linked back to the most relevant tools.
Browse all toolsHow to Compress Images Without Uploading Them
A practical guide to shrinking image files while keeping the originals off a third-party server.
JPG vs PNG vs WebP: Which Image Format Should You Use?
A compact comparison of image formats for everyday publishing decisions.
How to Resize Images for Websites
Resize for the container you actually use instead of uploading oversized originals.
How to Make a QR Code for Free
A short guide to generating useful QR codes that people can actually scan.
How to Format JSON Safely in Your Browser
A safer way to inspect and clean JSON for debugging, docs and integrations.
Why Local File Tools Are Better for Privacy
Local-first utilities reduce the need to trust another upload pipeline for quick one-off tasks.
When to Use WebP on Your Website
WebP is often smaller, but the best format still depends on the asset and the publishing context.
How to Reduce Image File Size for Email
Practical steps to make image attachments lighter without creating unusable output.
Useful Browser-Based Tools for Developers
Small browser utilities can remove friction when you need to transform text or inspect data fast.
How to Prepare Images for Blog Posts
A clean workflow for preparing cover images and inline visuals before publishing.
How to Turn Images Into a PDF Without Uploading Them
A practical guide to bundling images into one shareable PDF without sending files to a server.
How to Merge PDFs Locally in Your Browser
A simple guide to merging PDF files locally so invoices, reports and signed pages stay private.
How to Convert PDF Pages to Images Locally
A local-first guide to extracting PDF pages as PNGs for tickets, docs and previews.
How to Convert Markdown to PDF in Your Browser
A local-first guide to exporting Markdown as a simple PDF for sharing and lightweight documentation.
Best Way to Turn Images Into an A4 PDF
A practical guide to fitting screenshots and photos onto A4 PDF pages without messy scaling surprises.
How to Split a PDF Into Separate Pages
A practical guide to breaking a PDF into smaller files for sharing, review or archiving.