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General utilities

Utility Tools

Small practical helpers for developer, content, and everyday web tasks.

Utility tools are the controlled catch-all category for practical workflows that do not belong cleanly to text, image, PDF, audio, or timing work.

They are useful for developer formatting, structured data cleanup, Markdown conversion, and QR code tasks. Each tool keeps a narrow scope so it can stay fast and predictable.

This category should stay curated rather than random. If a new utility grows into a bigger family, it can later become its own category.

Utility tools in this category

7 tools

Calculator

Calculate expressions with parentheses, powers, percentages, constants, and common functions directly in the browser.

  • Operators +, -, *, /, %, ^ and parentheses.
  • Functions sqrt, abs, sin, cos, tan, log, ln, min and max.
  • Constants pi and e with clean formatted output.

Code Formatter

Beautify and clean up HTML, CSS, JavaScript, and TypeScript code structures with custom spacing.

  • Processes text payloads up to 5MB smoothly.
  • Fast parsing: Normalizes spacing, braces, and line breaks in milliseconds.
  • Instant clipboard copy and raw source code download integrations.

JSON Formatter

Format, validate, sort, and minify JSON data payloads with clear syntax error highlights.

  • Format spacing (2/4 spaces, tabs) or minify to single-line JSON.
  • Handles nested dictionaries and arrays recursively.
  • Instant single-click copy-to-clipboard integration.

Markdown Converter

Convert Markdown notation formatting into semantic HTML documents, and convert raw HTML back to clean Markdown strings.

  • Bidirectional conversion (MD <-> HTML).
  • Live side-by-side preview window.
  • Syntax highlighted output textareas.

Notepad Calculator

Write notes with formulas, calculate expressions line by line, and get a running total.

  • Line-by-line expression detection.
  • Total sum for calculated rows.
  • Copy or download the annotated note.

QR Code Generator

Generate custom styled QR codes from text links, emails, and passwords locally in your browser.

  • Download high-resolution image outputs.
  • Supports text URLs, emails, and Wi-Fi configurations.

QR Code Scanner

Scan and decode QR codes instantly from uploaded image files or live webcam video feeds.

  • Supports Webcam scanner reading.
  • Supports local file upload decoding.