All Tools

Format, compact, and validate JSON.

Encode and decode Base64 text with Unicode support.

Encode and decode URL components safely.

Generate MD5, SHA-1, and SHA-256 digests.

Convert text to and from Unicode escape sequences.

Convert UTF-8 text and hexadecimal bytes.

Local AES-GCM and RSA-OAEP encryption tools.

Trim spaces, remove newlines, and deduplicate lines.

Uppercase, lowercase, title case, camelCase, and snake_case.

Count characters, Chinese characters, words, and lines.

Generate random strings by length and character set.

Compare two text blocks line by line.

Convert Hex, RGB, RGBA, and HSL colors.

Convert common CSS units: px, rem, em, and vw.

Generate TypeScript interfaces from JSON objects.

Escape and unescape HTML entities.

Convert JSON arrays and CSV tables.

Format frontend code with Prettier.

Parse JWT header and payload data.

Convert names between camelCase and snake_case.

Format and compact SQL snippets.

Query the public IP information observed by the browser.

Convert between base 2, 8, 10, 16, and 36.

Validate basic five-field Cron expressions.

Format numbers with decimals and thousands separators.

Compress and decompress text with gzip Base64.

Generate generic sample data and export JSON or CSV.

Convert image files and Base64 data URLs.

Convert timestamps and calculate time values.

Encode and decode Morse code.

Search and filter common developer shortcuts.