Useful tools. Clearer answers.
Understand the numbers, compare your options and get more from the tools you use. Explore practical guides for building, cooking, studying, selling and everyday planning.
Explore articlesBrowse our guides and find an explanation that fits your next task.
Our articles & guides
Newest articles first
Convert HTML Entities While Keeping Output as Text
A less than sign can be ordinary text or the beginning of a tag. Entity encoding lets you represent that character in…
Prepare a JPEG Under a Chosen Byte Limit
An application form may reject a photograph that looks perfectly clear simply because its file is too large. A byte target is…
Build Query Strings With Repeated Parameters
Joining URL parameters looks simple until one value contains an ampersand. That ampersand belongs inside the value, but an unencoded version can…
Compress an Image Without Promising a Fixed Saving
Compression reduces bytes by changing how an image is encoded. It does not guarantee a particular percentage saving, and an already compact…
Inspect URL Parts Without Opening the Address
A long URL can hide useful details in plain sight. Its hostname, port, path and query string describe different parts of the…
Check Host Support Before Preparing an AVIF Image
AVIF output depends on the image libraries installed on the hosting server. Two sites running PHP can have different codec support, so…
Encode URL Components Without Changing Their Meaning
A URL containing a space, an ampersand or a plus sign can be misread when it is assembled by hand. Encoding a…
Create WebP Files and Check Destination Support
WebP can be useful for website images because it supports compact encoding and alpha transparency. The right result still depends on the…
Encode Base64 and Read Decoded Bytes Safely
Base64 changes how bytes are represented. It does not encrypt them. Anyone with the encoded string can attempt to decode it, so…
Use PNG When Edges and Transparency Matter
PNG is useful for screenshots, logos and assets that need transparent pixels. It preserves the decoded pixel values through lossless encoding, though…
Change Letter Case Without Rewriting the Text
Uppercase, lowercase and title case can help standardise labels. They do not repair spelling or make a name official. A case conversion…
Convert to JPEG and Choose the Background Deliberately
JPEG is a common choice for photographs and application uploads. Its compact files come from lossy encoding, and it cannot carry a…