How-to guides for common text, data, and developer formatting tasks. All tools referenced run free in your browser.
Removing duplicate lines is one of the most common text cleanup tasks. Whether you have a list of emails, keywords, URLs, or any repeated values, you can deduplicate it instantly in your browser without installing anything.
Text copied from PDF files almost always has formatting problems — broken line breaks mid-sentence, extra spaces, garbled characters, and inconsistent whitespace. This guide explains what causes these issues and how to fix them instantly.
Base64 is a way to represent binary data using only printable text characters. It is used everywhere in web development — from HTTP auth headers to email attachments to JWT tokens.
URL encoding (also called percent encoding) converts characters that are not safe to use in URLs into a percent sign followed by two hexadecimal digits. It is required whenever a URL contains spaces, special characters, or non-ASCII characters.
Formatting JSON means converting compact, hard-to-read JSON into a structured, indented format where each key and value is on its own line. It makes JSON human-readable without changing its data.
Extracting email addresses from unstructured text, copied web pages, logs, or exports is a common task for marketers, recruiters, and developers. This guide explains the process and how to do it in seconds using a free browser-based tool.