Online calculators & tools,
without the clutter.

Calculate with mixed numbers and exact fractions.

Reduce fractions to lowest terms.

Divide one fraction by another.

Convert improper fractions to mixed numbers.

Calculate three fractions in sequence.

Turn decimals into exact fractions.

Add, subtract, multiply, and divide fractions.

Compress images below a size limit.

Aim for a specific image file size.

Convert AVIF images to JPEG.

Evaluate scientific expressions with trigonometry, logarithms, roots, powers, factorials, and constants.

Convert PNG, WebP, AVIF, GIF, BMP, and other browser-readable images to compatible JPG files.

Generate one or many random letters with case and repetition controls.

Shuffle a list and split it into balanced random groups or teams.

Convert a proper, improper, or negative fraction to a decimal and percentage.

Simplify an aspect ratio and calculate a matching height or width for resizing.

Find the exact elapsed years, months, and days between two birth dates.

Convert hours and minutes to decimal hours for payroll, billing, or time sheets.

Calculate the sale price, discount amount, and savings percentage.

Simplify ratios or solve an equivalent proportion with one missing value.

Convert decimal integers to hexadecimal with a place-value explanation.

Convert a decimal integer to its binary representation.

Convert a signed binary value to decimal and hexadecimal.

Pick one or more random numbers from 1 through 100.

Round a number to the nearest whole, tenth, hundredth, or custom decimal place.

Measure the percentage reduction from an original value to a new value.

Shuffle names, tasks, questions, or any line-separated list.

Add a list of hour-and-minute durations and see the decimal-hour total.

Browse and copy decorative symbols for profiles, captions, notes, and designs.

Render PDF pages as downloadable PNG images directly in your browser.

Extract selectable text from an image with browser-based optical character recognition.

Convert headings to readable title case while keeping common short words lowercase.

Add, subtract, multiply, divide, AND, OR, or XOR two binary integers.

Format text with Unicode bold, italic, monospace, and styled characters for LinkedIn posts.

Find the average of several durations entered as hours and minutes.

Calculate a salary raise amount, new salary, and increase percentage.

Convert decimal hours to hours, minutes, and seconds.

Calculate the arithmetic mean of a list of percentage values.

Convert Latin letters and numbers to copyable Unicode bold, italic, script, or monospace text.

Extract readable text from every text-based PDF page in your browser.

Calculate paid work time after subtracting a lunch or meal break.

Add or subtract a duration from a clock time and handle overnight rollover.

Convert decimal inches to a whole number and a practical fractional inch.

Remove HTML, Markdown marks, smart punctuation, and repeated whitespace from copied text.

Convert a HEX web color to approximate CMYK print percentages and RGB values.

Calculate a daily shift total after one or more unpaid breaks.

Calculate concentrate and water amounts for a parts-based dilution ratio.

Divide a duration into equal time portions with a precise remainder.

Generate playful team names by combining a theme, adjective, and mascot.

Generate a table of equivalent ratios by multiplying or dividing both terms equally.

Convert a percentage to an exact fraction in lowest terms.

Convert any positive or negative percentage to decimal form.

Multiply a duration by a whole or decimal factor.

Calculate absolute and percentage change from one month to the next.

Paste a color list and randomly spin to one choice.

Generate human fantasy names for characters, stories, campaigns, and games.

Spin a fair name picker for classrooms, giveaways, meetings, or games.

Generate secure random strings with configurable length and character sets.

Generate readable username ideas with optional numbers and separators.

Find elapsed time between two clock times, including overnight spans.

Count calendar days and full weeks between two dates.

Calculate exact age, next birthday, and total days lived from a date of birth.

Format, validate, or minify XML and locate syntax errors without uploading your data.

Reduce a matrix to reduced row echelon form with visible Gauss–Jordan row operations.

Calculate a z-score, convert a z-score to percentile, or find a score from a normal percentile.

Multiply two compatible matrices and inspect every result-cell dot product.

Calculate event probability, its complement, or the union and intersection of independent events.

Find exact, cumulative, or upper-tail binomial probabilities for repeated independent trials.

Solve ax² + bx + c = 0 with the discriminant, roots, vertex, and a responsive graph.

Convert numbers and Roman numerals in either direction, including Roman-numeral dates.

Solve both legs, the hypotenuse, area, and perimeter of a 45-45-90 triangle from one side.

Solve 2-variable or 3-variable linear systems from an augmented matrix with elimination steps.