CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. Runs client-side in your browser via the website or as a downloadable html file.
DevToysand
Comprehensive developer utility suite with 12+ tools. Ensures privacy, works offline, offers text conversion, hashing, formatting, and more.
Online tool for inspecting and debugging HTTP requests and checking common cases like headers, gzip compression, HSTS implementations or HTTP redirects. Encode or decode base64 and URL encoding.
URL Encoder and Decoder is an online application for "url encode" or "url decode". Its unique feature which makes it different from the rest online encoders/decoders is that it keeps track of your recent works.
Find and replace in multiple files with regular expressions, multi-line search and replace, Unicode support, preview, and undo.
StringFlux is a free online tool for developers to simplify string transformations like JSON escape, Base64 encode, URL encode, and more — all in one streamlined, privacy-friendly interface.
Discover toolbrew's collection of clean, ad-free useful tools including case converter, word counter, and more. Professional tools for content creators and writers.
Text Tools is a focused collection of utilities that run directly in your browser. Each tool is crafted for a single job to remove duplicates, fix spacing, change case, split or join lines, encode or decode data and every tool is tuned for accuracy,.
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