437+ 個免費在線工具 - 快速、簡單、無需注册

Pretty-print, minify, and tidy JSON with clear indentation for easier reading.

Decode JWT tokens and inspect payload claims.

Test regex patterns with instant match feedback.

Compare two texts and highlight exact changes.

Encode and decode Base64 strings instantly.

Generate UUIDs for universally unique identifiers.

Create MD5 and SHA hashes from input text.

Pick colors and preview HEX, RGB and HSL values.

Generate linear and radial CSS gradients visually.

Check color contrast ratios against accessibility standards.

Generate QR codes from text or URLs.

Generate strong passwords with custom rules.

Count words, characters and lines in text.

Generate clean URL slugs from any text.

Format YAML with consistent indentation and spacing.

Format SQL queries for easier reading and review.

Convert CSV rows into structured JSON output.

Format XML with proper indentation and line breaks.

Convert between Unix time and human-readable date.

Convert date and time across world timezones.

Convert between common units quickly and accurately.

Resize images to exact dimensions in seconds.

Compress image files while preserving quality.

Preview SEO title and description snippets.

Spin the wheel and see what you get.

Choose truth or dare and see what you get.

Generate bingo cards for your next game.

Choose between two options, see crowd-style results, and share — funny, deep, and spicy modes.

Create custom card decks for your next game.

Generate pure white noise with precise volume control.