Tools

Online tool to convert numbers between different bases like Binary, Octal, Decimal, and Hexadecimal.

Online tool to encode text to Base64 and decode Base64 back to text.

Calculate your Body Mass Index (BMI) online

Online color picker and converter for HEX, RGB, and HSL formats.

Convert CSV and JSON arrays in either direction locally in your browser.

Encode HTML-sensitive characters and decode common named and numeric entities.

Resize images and adjust quality locally, export JPEG or WebP, and compare dimensions and file sizes.

Format, minify, validate, escape, and unescape JSON directly in your browser.

Filter and inspect JSON values with JSONPath expressions.

Decode JWT headers, payloads, and time claims locally in your browser.

Preview Markdown and generate safe HTML that can be copied.

Online MD5 hash generator. Generate MD5 hashes from text easily and quickly.

Generate QR codes and download PNG files, or decode a QR image locally in your browser.

Test JavaScript regular expressions, capture groups, and replacements online.

Generate configurable passwords in batches with browser cryptographic randomness.

Online SHA hash generator. Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text easily.

Format and minify common SQL queries in your browser.

Count characters, words, lines, and UTF-8 bytes, then apply common text transforms.

Compare two text blocks and inspect added, removed, and unchanged lines.

Online tool to convert between Unix timestamps and human-readable dates

Encode and decode URL components online with Unicode and form-space support.

Generate UUID v4 values with secure randomness and validate RFC 9562 UUIDs.

Format, minify, and validate XML text in your browser.

Convert YAML and JSON in both directions locally in the browser.