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developer toolsBase64 Encode / DecodeEncode text to Base64 or decode Base64 back to text, instantly and in your browser. Free, no signup, handles UTF-8 and invalid input correctly.developer toolsCSV to Markdown Table ConverterConvert CSV to a GitHub-Flavored Markdown table instantly. Correctly handles quoted fields, embedded commas, and custom delimiters. Free, in-browser.everydayGrams to Cups ConverterConvert grams to cups (and back) for common baking ingredients. Accounts for ingredient density — flour, sugar, and butter don't convert the same way.seo toolsMeta Description Length CheckerCheck your title and meta description length in characters and pixels, with a live Google search snippet preview. Free, no signup.financePercentage Increase CalculatorCalculate the percentage increase or decrease between two numbers instantly. Free, no signup, handles negative and zero values correctly.financePercentage of a Number CalculatorFind what X% of any number is, instantly. Useful for tips, discounts, taxes, and splitting bills. Free, no signup.text utilitiesRemove Duplicate LinesRemove duplicate lines from any list or text instantly. Case-sensitive toggle, alphabetical sort, and a view of exactly what got removed. Free, in-browser.text utilitiesReverse Text GeneratorReverse any text instantly, plus upside-down and mirror variants in the same tool. Free, in-browser, no signup — three novelty transforms in one place.text utilitiesText Case ConverterConvert text to UPPERCASE, lowercase, Title Case, or Sentence case instantly. Free, no signup, works entirely in your browser.