We are working on building a calculator for every computation life throws at you - from the serious to the whimsical. Now also in Spanish and Portuguese!
We currently have 347 calculators available.
Generate tailored .gitignore files for your projects by selecting common templates and combining them with ease.
Compute aspect ratios, resize dimensions, and learn why consistent proportions matter in photography, video production, and design.
Encode or decode Base64 strings effortlessly with this Base64 Encoder/Decoder tool for developers.
Quickly estimate how long it takes to fully charge a battery by entering its capacity and charger current. Learn about charge rates, efficiency, and best practices.
Predict how long your phone, laptop, or other gadget will run on a single charge using battery capacity and power consumption.
Convert numbers between binary, decimal, and hexadecimal instantly. Ideal for programmers, students, and electronics hobbyists who need a quick base converter.
Quickly estimate your monthly cloud storage bill by entering how many gigabytes you store, retrieve, and transfer. Adjust the pricing model to match your provider.
Create and save color palettes with this intuitive color picker and palette generator tool for developers and designers.
Parse cron expressions to human-readable text with our Cron Expression Helper tool.
Convert CSV files to JSON format directly in your browser. Paste comma-separated values and get structured JSON output instantly.
Calculate how long a file download will take based on file size and connection speed.
Calculate how long your drone can stay airborne by entering battery capacity, voltage, and average power draw. Learn tips to maximize flight time.
Use this e-bike range calculator to estimate your travel distance based on battery size, motor power, and riding efficiency.
Estimate how an electric vehicle battery's capacity declines with age, mileage, charge cycles, and climate. Plan future range by understanding degradation.
Find out how much it costs to charge your electric vehicle at home. Enter battery size, electricity rate, and charger efficiency to see the total.
Calculate how long it takes to charge your electric vehicle and how much it costs based on charger power, battery size, and electricity rates.
Convert between decimal degrees and degrees-minutes-seconds for latitude and longitude. Learn how geographic coordinates work.
Format and validate JSON instantly with our JSON Formatter tool. Paste your JSON and get a clean, indented version.
Convert JSON arrays to CSV format entirely in your browser. Paste your JSON and get a comma-separated file instantly.
Convert JSON objects to YAML notation directly in your browser. This developer utility runs offline for fast, private data transformations.
Decode JWT tokens safely in your browser with this offline JWT decoder utility.
Find the right resistor value for your LED circuits. Enter supply voltage, LED forward voltage, and desired current to calculate resistance and power.
Calculate the recommended bitrate and upload bandwidth for live video streaming based on resolution, frame rate, and compression.
Estimate the minimum copper trace width required for your printed circuit board based on current, copper thickness, and temperature rise. Learn about PCB design considerations and safe operating limits.
Estimate the hours needed for scripting, recording, and editing your podcast episode with this calculator.
Create custom QR codes instantly with this online generator. Enter text or a URL and download a scannable code to share with others.
Calculate the time constant of a resistor-capacitor circuit and learn how it affects voltage rise and fall. Great for electronics hobbyists and engineers.
Experiment with JavaScript regular expressions and instantly see highlighted matches.
Use this resistor color code calculator to quickly determine resistance values from four colored bands. Includes a thorough guide to interpreting electronic color codes for hobbyists and engineers.
Estimate the storage space your CCTV system needs by entering camera bitrate, recording hours, and retention days. Learn tips for managing video footage efficiently.
Gauge your phone's battery health by entering charge cycles, age, and average temperature. Learn how usage patterns affect capacity over time.
Estimate the battery capacity needed for solar systems by entering daily usage, voltage, depth of discharge, and days of autonomy.
Determine the number of photos needed for a time-lapse project and see the final video duration.
Convert Unix timestamps to readable dates and convert dates back to epoch seconds with this easy Unix Timestamp Converter for developers.
Determine how long your uninterruptible power supply will run during an outage using battery capacity, load wattage, and inverter efficiency.
Estimate the storage space needed for a video by entering duration and bitrate. Learn how resolution and compression affect size.
Estimate video rendering time by entering project length, frame rate, and per-frame render speed. Optimize your editing process with realistic time expectations.
Estimate how much data your streaming habits consume each month. Enter video quality, hours watched, and devices to manage your internet plan.
Calculate monthly costs for cloud servers based on CPU, memory, storage and bandwidth usage. Plan your budget for virtual machines with this easy tool.
Calculate the bandwidth needed for your VoIP phone system based on codec bitrate and concurrent calls. Prevent choppy audio by planning the right connection.
Convert XML documents to JSON format right in your browser with this offline XML to JSON converter.
Transform YAML documents to JSON on the fly with this offline converter. Paste YAML and instantly get a JSON representation.