Tool library
All 33 free XSular tools — open any utility directly or read the matching tutorial for step-by-step explanations.
Blog
Practical articles on writing, development, design, and productivity — each tied to a free XSular tool you can use right away.
Learn how to instantly remove duplicate lines from large text files, CSV exports, and code outputs. Preserve unique entries with case-sensitive matching and sorting.
Learn how to quickly clean messy text by removing extra spaces, blank lines, HTML tags, smart quotes, and special characters with instant before-and-after comparison.
Learn how random generators help with creative writing, brainstorming, testing, and game development. Generate random words and names by category instantly.
Learn how cryptographic hashing works, the differences between MD5, SHA-1, SHA-256, and SHA-512, and how to generate secure hashes instantly.
Master regular expressions from beginner to advanced. Learn essential patterns for validation, extraction, and replacement with a live regex testing tool.
Learn why special characters in URLs must be percent-encoded, how URL encoding works under the hood, and how to encode or decode URLs instantly.
Understand the different versions of UUIDs, when to use each type, and how to generate cryptographically random unique identifiers instantly.
Learn how JSON Web Tokens work under the hood. Understand headers, payloads, and signatures, and decode or generate JWTs safely in your browser.
Understand how computers store text as binary data. Learn how to encode and decode ASCII and UTF-8 text to binary strings instantly.
Understand the history and proper use of Lorem Ipsum placeholder text. Learn how to generate custom dummy content for mockups, wireframes, and prototypes.
Learn how reading time estimates improve user engagement and SEO. Discover the science behind words-per-minute and how to calculate read times for any content.
Learn creative and practical uses for a text repeater tool, from generating test data to creating bulk content and formatting patterns.
