所有工具

計算複利與定期投入下，您的存款如何隨時間成長。

Estimate your monthly mortgage payment and total interest over the loan term.

Calculate the monthly payment, total interest, and total cost of any fixed-rate loan.

將多筆共同消費分攤給群組成員，算出最少的還款轉帳。

計算小費並將帳單平均分攤給任意人數。

計算折扣後的售價與省下的金額，並可加入銷售稅。

Calculate total return and annualized return (CAGR) between a starting and ending value.

Find a percentage of a number and the percentage change between two values.

在 1 到 3999 之間，將數字與羅馬數字互相轉換。

Convert between metric and imperial length units.

Convert between kilograms, pounds, ounces, grams and more.

Convert between Celsius, Fahrenheit and Kelvin.

Convert between bytes, KB, MB, GB, TB and binary units.

Convert between liters, milliliters, gallons, cups and more.

Convert between km/h, mph, m/s, knots and more.

Convert between square meters, acres, hectares and more.

Beautify, minify, and validate JSON with clear error messages.

Encode text to Base64 or decode Base64 back to text, with URL-safe support.

從任一基準色產生明暗階與色彩調和配色。

Generate strong, random passwords with configurable length and character sets.

在 HEX、RGB 與 HSL 之間轉換顏色，並即時預覽。

以任意比例混合兩種顏色，檢視融合結果與漸層。

Decode and inspect the header and payload of a JSON Web Token.

找出任一顏色最接近的命名色與所有色碼。

Percent-encode text for safe use in URLs, or decode encoded URLs back to text.

Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes of any text.

Generate cryptographically random version-4 UUIDs in bulk.

Count words, characters, sentences, lines, and estimated reading time.

依段落、句子或字數產生佔位假文。

Convert text between UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case.

Turn any title into a clean, URL-safe slug.

Calculate exact age in years, months, and days from a date of birth.

Find the number of days, working days, and the y/m/d span between two dates.

Convert Unix timestamps to human-readable UTC dates and see the current epoch time.

Convert between currencies using live exchange rates, with a manual fallback.

依身高與體重計算身體質量指數（BMI），支援公制與英制單位。