All-in-One Tools Collection

A broad collection of online tools for development, AI, design, and productivity tasks.

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Quickly cut text to the given length

Convert numbers between standard decimal format and scientific notation (E notation)

Compress text by removing extra spaces, newlines, and unnecessary whitespace while preserving content structure

Calculate MD5/SHA1/SHA256 hash values for files and verify against expected hashes

Calculate similarity percentage between two texts using multiple algorithms including Cosine Similarity, Jaccard Similarity, and Levenshtein Distance

Convert file encoding with auto-detection support between UTF-8, GBK, ISO-8859-1 and other character encodings

Add or subtract time periods from a date (years, months, days, hours, minutes, seconds)

Search for text patterns in files with advanced options (regex, case-sensitive, whole word, etc.)

Calculate working days between two dates, excluding weekends and holidays

Comprehensive analysis of text files including statistics, encoding, line counts, and content patterns

Validate UUID format, detect version, and analyze UUID structure including variant, timestamp, and node information

Convert text to ASCII art using various fonts and styles