Online Developer Tools | Hash, Encode, Decode & Convert

Explore Developer Tools

Base64 Encoder

Encode or decode Base64 text and files.

Case Converter

Change text to uppercase, lowercase, or title case.

CSV to JSON

Convert your CSV data into JSON format.

Hash Generator

Generate secure MD5, SHA1, SHA256 hashes.

Image to Base64

Convert image files into Base64 code.

JSON Validator & Formatter

Validate, beautify, and format your JSON for readability.

JWT Decoder

Decode and verify JWT tokens securely.

Lorem Ipsum Generator

Generate placeholder text for designs.

Regex Tester

Test and debug your regular expressions.

Text Diff Tool

Compare two texts to see differences.

Timestamp Converter

Convert UNIX timestamps to human-readable time.

URL Encoder/Decoder

Encode or decode any URL string safely.

Why Use ToolyBlog Tools?

ToolyBlog provides a growing collection of web-based developer and productivity tools that are lightweight, fast, and 100% free. Whether you are a programmer, content creator, or just a curious web user, you’ll find tools that simplify your daily tasks.

No sign-up needed – use tools instantly
Privacy-first – no data stored or tracked
Mobile-friendly – responsive design for all devices
SEO-optimized – tools designed with search visibility in mind