Pixitools

Search Pixitools

Search tools, utilities and conversion pages

Blog

Practical guides on image privacy, formats, resizing, compression and Base64 — all written to work hand-in-hand with the tools on this site.

GuidesFeatured

How to Format, Validate and Minify JSON

A working guide to JSON hygiene: pretty-printing a minified payload, finding the exact character that breaks parsing, and shrinking JSON before it ships.

8 min readRead article

All articles

Guides

Base64 Explained: How to Encode and Decode Text and Files

What Base64 does to your bytes, how to encode text and whole files, how to decode a data URI back into a working file, and why none of it is encryption.

8 min readRead article
Guides

How to Merge, Split and Rearrange PDFs Without Uploading Them

Everyday PDF page surgery — combining sources, splitting by range, deleting, extracting and reordering pages, watermarking and numbering — done in your browser instead of on someone else's server.

7 min readRead article
Guides

What Can You Put in a QR Code? Types, Limits and How to Test One

Links, Wi-Fi credentials, vCards, calendar events and payments all fit in a QR code — but each type follows its own payload format. What each one stores, why error correction and contrast decide whether it scans, and how to test a styled code before printing it.

7 min readRead article
Privacy

Remove Location Data and Metadata from Photos Before You Share Them

EXIF can expose where and when a photo was taken and which device took it. What's inside the metadata block, how to read it, and how to strip it first.

6 min readRead article
Optimization

How to Compress Images for Faster Websites

Quality settings that survive visual inspection, target-size compression for hard limits, and the format choices that do most of the work.

6 min readRead article
Formats

AVIF vs WebP: What Is the Difference?

The modern format showdown: compression efficiency, features, browser support and the trade-off that still favors WebP for many workflows.

6 min readRead article
Guides

What Is Base64 Image Encoding?

What Base64 actually does to image data, why data URIs exist, and the size cost that decides when embedding beats linking.

5 min readRead article
Guides

How to Convert an Image to Base64

A short, practical walkthrough: encoding an image, reading the data URI, and where to paste it in HTML, CSS and JSON.

4 min readRead article
Guides

How to Convert Base64 Back to an Image

Decoding a Base64 string or data URI into a real image file, checking what you got, and fixing the errors that stop decoding.

4 min readRead article
Privacy

How Image Privacy Works in Browser-Based Image Tools

What actually happens when an image tool claims to run 'in your browser' — and how to verify that your files never leave your device.

6 min readRead article
Formats

JPG vs PNG: Which Image Format Should You Use?

Why JPEG wins for photos and PNG wins for everything else — compression types, transparency, and the simple decision rule.

5 min readRead article
Formats

WebP vs JPG: Image Quality, Size and Use Cases

How WebP compares to JPEG on quality at the same size, where support now stands, and when sticking with JPG still makes sense.

6 min readRead article
Guides

How to Resize Images for Websites

Which pixel widths actually matter on the modern web, why aspect ratio should stay locked, and how unit settings like DPI fit in.

6 min readRead article