Free tools that respect your time and your privacy.
Powerful, single-purpose utilities that run entirely in your browser. No sign-ups. No uploads. No tracking. Ever.
- Runs in your browser Everything works locally on your device.
- Your data stays yours No uploads, no servers, no data collection.
- No sign-ups No accounts, no newsletters, no nonsense.
- Fast & lightweight Instant results with a beautiful experience.
Explore Our Free Tools
Handy utilities for developers, creators, students, and everyone in between.
Encoding & Conversion
View allBarcode Generator
Make UPC, EAN, Code 128, Code 39 and 5 other barcode formats — runs in your browser.
Base64 Encoder
Encode and decode base64 in your browser. UTF-8 safe, file uploads supported, URL-safe variant included.
HEIC to JPG Converter
Convert iPhone HEIC photos to JPG, in your browser.
Minute to Decimal Converter
Turn HH:MM timesheet entries into decimal hours. Choose 1/4-hour or 1/10-hour rounding, copy a clean weekly summary.
Morse Code Converter
Translate text to morse code and back, with adjustable-speed audio playback.
PNG to PDF Converter
Combine PNG images into a single PDF, in your browser.
UPC Generator
Generate a UPC-A barcode from any 11 or 12 digit number — runs in your browser.
WebP to JPG Converter
Turn WebP images into JPGs, in your browser.
WebP to PNG Converter
Turn WebP images into PNGs, in your browser.
Design Tools
View allColor Palette Generator
Generate color palettes — random, harmony-based, and instantly shareable.
Favicon Generator
Make a complete favicon pack from an image, text, or emoji — runs in your browser.
Meme Generator
Free, no watermark, in your browser — top + bottom text on a meme template or your own image.
Signature Generator
Type your name or draw it — download a PNG signature.
Tier List Maker
Build, customize, and share tier lists. Drag images and labels into S/A/B/C/D/F rows — or your own custom tiers.
Finance Calculators
View all401(k) Calculator
Project your retirement balance, solve for required contributions, and compare Roth vs Traditional — fully in your browser.
Amortization Calculator
Generate a full month-by-month payment schedule for any fixed-rate loan.
Auto Loan Calculator
Monthly payment, total interest, and full amortization — with state sales tax built in.
CD Calculator (Certificate of Deposit)
Compute the maturity value of a CD. Enter your bank's APY (or nominal rate + compounding), the term, and an optional tax rate.
Compound Interest Calculator
Project savings growth from principal, contributions, rate, and time.
HELOC Calculator
Two questions answered in one tool: how much can you borrow against your home, and what will it actually cost — with optional rate-shock scenarios for the variable repayment-period rate.
Mortgage Payoff Calculator
See how much sooner you'll be done — and how much interest you'll save — with extra payments. Or get a per-diem payoff-quote estimate for a target date.
Sales Tax Calculator
Add tax to a price or back out tax from a total — by state or custom rate.
Other Utilities
1 Rep Max Calculator — Estimate Your 1RM From Any Set
Type a weight and reps. Get your estimated 1RM and a full rep-percentage table.
Age Calculator — Your Exact Age in Years, Months & Days
Enter a date of birth and see your exact age, totals, and birthday countdown.
Bench Press Max Calculator — Estimate Your Bench 1RM
Type a bench press weight and reps. Get your estimated max bench and a full rep table.
BMR Calculator — Estimate Your Basal Metabolic Rate
Type your age, weight, and height. Get the calories your body burns at complete rest.
Calorie Deficit Calculator — Daily Target and Timeline
Pick a goal weight and pace. Get your daily calorie target and projected end date.
Circle Area Calculator — Area, Radius, Diameter, Circumference
Type any one of radius, diameter, or circumference. Get the other three plus the area.
Due Date Calculator — Estimate Your Baby's Due Date
Enter your LMP, conception date, or IVF transfer date and get your estimated due date instantly.
Fantasy Name Generator
Conjure fantasy character names across 12 races — elves, dwarves, orcs, and more.
Final Exam Calculator — What Grade Do I Need on the Final?
Type your current grade, how much the final is worth, and your target course grade. The calculator shows exactly what score you need on the final.
Fraction Calculator — Add, Subtract, Multiply, Divide
Two fractions, four operations. Accepts mixed numbers (2 1/3), improper fractions (7/3), and decimals (0.75). Shows the simplified answer, mixed form, decimal, and the worked-out steps.
GPA Calculator — Unweighted and Weighted, with Cumulative GPA
Add your courses, pick letter grades, get your GPA. Toggle weighted for Honors +0.5 and AP/IB +1.0. Optional cumulative GPA combines this term with your prior credits.
Macro Calculator — Daily Protein, Carbs, and Fat
Pick an activity level and a macro split. Get grams of protein, carbs, and fat per day.
Mean Calculator — Average of a List of Numbers
Paste any list of numbers — commas, spaces, or new lines — and get the mean (arithmetic average) plus full summary stats.
Median Calculator — Middle Value of a List of Numbers
Paste any list of numbers and get the median. The calculator sorts your values, picks the middle, and shows full summary stats alongside.
Ovulation Calculator — Find Your Fertile Window
Enter your last period date, cycle length, and luteal phase to find your ovulation day and fertile window instantly.
Peptide Calculator
Reconstitute peptide vials and analyze peptide sequences — dose math + ProtParam-style properties on one page.
Percentage Calculator — Solve Any Percent Question
Four percentage questions, one page. Inline answers as you type.
Puppy Weight Calculator
Estimate your puppy's adult weight by breed or size.
Pythagorean Theorem Calculator — Solve Any Right Triangle
Type any two sides of a right triangle. Get the third side, both angles, perimeter, and area.
Quadratic Formula Calculator — Roots, Vertex, Factored Form
Type a, b, c. Get the roots (real or complex), discriminant, vertex, axis of symmetry, and the factored form when it's clean.
Random Name Generator
Generate realistic random names — male, female, or any — across 8 cultures.
Rubik's Cube Solver — Solve Any Scrambled 3×3 Cube
Paint your scrambled cube's stickers and get the shortest move sequence to solve it. Watch the solution play out on a 3D cube.
Scrap Silver Calculator
Estimate the silver value of jewelry, coins, and flatware. Enter weight, purity, and today's spot price.
Sleep Calculator — Best Bedtimes & Wake Times by Sleep Cycle
Find the best time to go to bed or wake up based on 90-minute sleep cycles.
Slope Calculator — Slope, Equation, Angle, Grade
Compute slope from two points or rise/run. Get the equation, angle, distance, and percent grade.
Snow Day Calculator
Predict tomorrow's school cancellation odds.
Squat Max Calculator — Estimate Your Squat 1RM
Type a squat weight and reps. Get your estimated max squat and a full rep table.
Standard Deviation Calculator — Sample and Population
Paste a list of numbers — commas, spaces, or new lines. Get the sample standard deviation, population standard deviation, variance, mean, count, and sum in one panel.
TDEE Calculator — Total Daily Energy Expenditure
Type your stats and pick an activity level. Get the calories you actually burn day-to-day.
Time Calculator for Work
Weekly timecard with overtime and pay, plus an HH:MM duration adder — all in your browser.
Triangle Calculator — Solve Any Triangle From 3 Inputs
Type any 3 of 6 fields (sides a/b/c, angles A/B/C). Get the rest plus area, perimeter, heights, and classification.
Username Generator
Compose handles for gaming, social, and signups — four styles, optional seed.
Volume Calculator — 8 Shapes With Unit Conversion
Cube, box, sphere, cylinder, cone, pyramid, capsule, or tube. Pick a shape, enter dimensions, read the volume in any unit.
Wordle Solver — Best Next Guess for Today's Puzzle
Enter your guesses, mark the colors, and see every word that's still possible — plus the highest-information next guess by entropy.
Writing Tools
View allConstruction & Landscaping
View allAsphalt Calculator
Hot-mix tons and yards for any driveway repair or pour
Asphalt Driveway Cost Calculator
Asphalt driveway cost by the ton or by the square foot installed
Bd Ft Calculator
Compute board feet for any lumber size — the abbreviated way.
Board Foot Calculator
Calculate lumber volume in board feet for any cut list.
Brick Calculator
Brick count for walls, columns, and veneer projects
Cement Calculator
Bags of portland cement or premixed concrete for any pour
Concrete Bag Calculator
How many 40-, 60-, or 80-lb bags for your project
Concrete Block Calculator
Block count and mortar bags for any CMU wall
Concrete Calculator
Yards and 80-lb bag count for any slab, footing, or column
Concrete Calculator with Cost
Concrete volume and cost for any shape — slab, footing, column, wall, stairs
Concrete Footing Calculator
Yards and bags for deck, fence, and foundation footings
Concrete Mix Calculator
Bags of concrete mix for any slab, footing, or column
Concrete Pad Calculator
Yards and 80-lb bags for any concrete pad
Concrete Price Calculator
Concrete price per yard, per bag, or per sq ft — instant math
Concrete Slab Calculator
Yards and bag count for slabs of any size and thickness
Concrete Slab Cost Calculator
Slab cost in yards or per-sq-ft — patios, driveways, garage floors
Concrete Volume Calculator
Volume in cubic yards or cubic feet for any concrete shape
Concrete Weight Calculator
Cured-slab pounds and tons for any volume
Concrete Yard Calculator
Cubic yards needed for any concrete pour
Conduit Fill Calculator
NEC conduit fill check and smallest-size recommendation.
Crushed Stone Calculator
#57 and similar crushed stone yardage and tonnage
Dirt Calculator
Cubic yards of fill or grade dirt by area and depth
Drywall Calculator
Sheet count for walls, ceilings, and full rooms
Fence Calculator
Estimate posts, rails, pickets, and concrete for a wood fence.
Fill Dirt Calculator
Yards of fill dirt for grading, leveling, or retaining
Gravel Calculator
Driveway, drain bed, or path: yards and tons in seconds
Insulation Calculator
Batt-roll count for walls, attics, and crawlspaces
Landscape Rock Calculator
Decorative landscape rock by yards or tons
Metal Roof Calculator
Count metal roofing panels for any roof size or footprint.
Mulch Calculator
Bags and cubic yards for any flower bed in seconds
Paver Base Calculator
Compacted base yardage for paver or stone patios
Paver Calculator
Paver count for patios, walkways, and driveways
Paver Sand Calculator
Bedding sand yardage and bag count for any patio
Pea Gravel Calculator
Path, patio, or playset: pea gravel yardage in seconds
Quikrete Concrete Calculator
Quikrete bag count for any pour
Raised Bed Soil Calculator
Premium garden mix yardage and bag count by bed size
River Rock Calculator
Decorative river rock yards and tons by area and depth
Rock Calculator
Decorative rock yards and tons by area and depth
Roof Cost Calculator
Estimate total roof material cost — shingle or metal — from one form.
Roof Pitch Calculator
Convert rise and run into the four standard pitch formats.
Roof Shingle Calculator
Bundles and squares of asphalt shingles for any roof.
Roof Slope Calculator
Convert roof slope between degrees, percent, and rise-in-12.
Roof Truss Calculator
Compute rafter length, peak rise, and chord length from span and pitch.
Sakrete Concrete Calculator
Sakrete High-Strength bag count by slab, footing, or column
Sand Calculator
Sand yardage and bag count for any project
Sod Calculator
Pallets, rolls, and slabs for a new or patched lawn
Soil Calculator
Yards or bags of soil for any bed, plot, or planter
Sonotube Concrete Calculator
Bags of concrete to fill any sonotube column
Square Footage Calculator — Room and Floor Area
Type length and width. Get square feet, square yards, square meters, and an optional cost line.
Stone Calculator
Decorative stone yardage and tonnage for any landscape
Tile Calculator
How many tiles you need for a floor, wall, or backsplash
Top Soil Calculator
Topsoil yardage by area and depth — bags or bulk
Topsoil Calculator
Yards or bags of screened topsoil by area and depth
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- Stripe payments, merchant dashboard, and full JavaScript API
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