Skip to main content

Browse categories

All tools in one menu
View all tools
PDF Tools

Convert, merge, split, and manage PDF files.

PDF to Word Word to PDF PDF to JPG JPG to PDF
Image Tools

Compress, resize, convert, and edit images.

Image Compressor Image Resizer JPG to PNG PNG to JPG
QR & Link Tools

QR codes, URL shorteners, and link utilities.

QR Code Generator QR Scanner URL Shortener UTM Builder
Text Tools

Text analysis, conversion, and generation.

Word Counter Case Converter Text Compare Duplicate Line Remover
Developer Tools

JSON, XML, encoding, and dev utilities.

Code Share JSON Formatter JSON Validator XML Formatter
File Tools

ZIP, metadata, checksums, and file utilities.

ZIP Extractor ZIP Creator File Metadata Viewer File Checksum Generator
Calculators

Financial, health, and math calculators.

Percentage Calculator GST Calculator EMI Calculator Loan Calculator
AI Tools

AI-powered content and document tools.

AI PDF Summary AI Image Description AI Text Rewriter AI Content Generator

Developer Guides

Technical guides for developers and power users.

What Is a Hash? MD5, SHA-1, SHA-256 Explained for Developers

Hashing is one of the most important concepts in computer security. This guide explains what hash functions do, why different algorithms exist, which ones are safe to use, and the real-world applications of hashing in modern software development.

Jun 27, 2026 4 min read 13 views

How to Format and Validate JSON: Common Errors and How to Fix Them

Invalid JSON is one of the most frustrating debugging experiences — the error messages are often cryptic, and finding the exact location of the problem can take longer than it should. This guide covers the most common JSON errors and exactly how to fix them.

Jun 26, 2026 3 min read 19 views

JSON vs XML: Which Data Format Should You Use and When?

JSON and XML are the two dominant data interchange formats on the web. While JSON has largely won the API wars, XML still dominates in specific industries. This guide explains the differences, strengths, and when to use each one.

Jun 18, 2026 4 min read 7 views

Regular Expressions (Regex) Tutorial: From Beginner to Practical Use

Regular expressions are one of the most powerful and most-feared tools in a developer's toolkit. This beginner-friendly tutorial demystifies regex syntax, explains common patterns, and gives you practical examples you can use immediately.

Jun 16, 2026 2 min read 21 views