Free online tools for everyday tasks.
Solve work, development, home, kitchen, renovation, and automotive tasks right in your browser.
21 tools available
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Work
Plan your workday and count weekdays.
Text
Count words and characters as you write.
Developer tools
Format, convert, and inspect data in your browser.
- JSON formatter and validatorFormat, minify, and validate JSON with a clear error message.Open tool
- UUID generatorGenerate random UUID v4 values right in your browser.Open tool
- Base64 encoder and decoderEncode or decode text, including accented characters and emoji.Open tool
- URL encoder and decoderEncode or decode text for use in URL components.Open tool
- JWT decoderRead a token header and payload without verifying its signature.Open tool
- Unix timestamp converterConvert Unix timestamps to local time and UTC.Open tool
- Password generatorCreate random passwords with Web Crypto. Nothing is sent anywhere.Open tool
- Brazilian CPF/CNPJ generator and validatorGenerate valid numbers for software testing or check the verification digits of a Brazilian CPF or CNPJ.Open tool
Home
Size appliances and estimate energy use for everyday decisions.
- Air conditioner BTU calculatorEstimate a BTU range from your room size, ceiling, sun exposure, people, and heat sources before comparing air conditioners.Open tool
- TV size and viewing distance calculatorMatch a TV size range to your sofa distance, or estimate a viewing distance for the screen size you want.Open tool
- Electricity use and cost calculatorTurn appliance power, usage hours, and your tariff into estimated daily, monthly, and yearly energy cost.Open tool
Kitchen
Choose capacities and convert cooking measures with less guesswork.
- Air fryer size recommenderFind a capacity range that fits your portions, household size, and cooking style.Open tool
- Blender recommenderCompare capacity and features for juices, ice, batters, and the recipes you make most.Open tool
- Cooking measurement converterConvert cups, spoons, milliliters, and liters. Choose an ingredient to convert volume to grams.Open tool
Renovation
Estimate materials and waste allowances before buying.
Automotive
Compare fuel costs and plan road-trip expenses.
Recipes
- Air fryer friesCrisp potatoes with little oil and a simple method.Open tool
- Air fryer sweet potatoGolden cubes outside and tender inside.Open tool
- Air fryer filled pastryA practical filled pastry with a crisp, golden exterior.Open tool
- Air fryer fishSimple fish fillets for a quick meal.Open tool
- Simple air fryer cakeA small cake for pans that fit comfortably in the basket.Open tool
- Air fryer caramel puddingA compact caramel pudding made in a basket-compatible pan.Open tool
- Air fryer cheese breadA practical cheese bread method for frozen or prepared dough.Open tool
- Air fryer garlic breadGolden garlic bread for meals and barbecues.Open tool
- Air fryer chickenSeasoned chicken pieces for a practical meal.Open tool
- Air fryer bananaA quick dessert with golden banana and cinnamon.Open tool
- Overnight oats with yogurtOats prepared the night before with yogurt, banana, and chia for a practical breakfast.Open tool
- Chicken, rice, and vegetable bowlA simple meal to prepare in portions, with ingredients that are easy to vary.Open tool
- Banana oat pancakesQuick pancakes with banana, oats, and egg, with no flour needed.Open tool
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