A curated collection of free, no-signup online tools — calculators, converters, encoders, generators, network utilities, and developer helpers. All browser-based, all free, all built with the same obsession for speed and privacy as removemetadata.tools.
Calculate the square footage of rooms, floors, lots, and projects in feet, meters, or yards.
Find percentages, percentage change, increases, decreases, and reverse percentages in seconds.
Calculate your exact age in years, months, days, hours, minutes, and seconds.
Add, subtract, and convert hours and minutes for timesheets, payroll, and project tracking.
Calculate dim weight for UPS, FedEx, USPS, and DHL shipments so you never overpay on freight.
Calculate the volume of rectangular boxes and packaging in cubic inches, feet, or meters.
Calculate length + girth for postal and courier size limits. Avoid oversize surcharges.
Convert between margin and markup. Calculate both from cost and price.
Calculate IP ranges, subnet sizes, host counts, and broadcast addresses from CIDR notation.
Calculate subnet masks, network addresses, wildcard masks, and usable hosts.
Estimate solar panel count, system size, and output for your home from energy use and location.
Calculate loan EMIs, total interest, and amortization schedules for home, car, and personal loans.
See the total interest paid over the life of a loan across different terms and rates.
Project mutual fund SIP returns with expected rate, tenure, and step-up options.
Calculate voltage drop across wire runs by gauge, length, current, and conductor material.
Size an air conditioner in tons based on room area, climate, and insulation.
Size a generator or battery backup by total wattage and desired runtime.
Size a solar battery bank by load, days of autonomy, and depth of discharge.
Estimate daily calorie needs, BMR, and macros for weight loss, maintenance, or gain.
Calculate body mass index and basal metabolic rate from height, weight, age, and sex.
Add, subtract, multiply, and divide fractions with step-by-step solutions.
Calculate GPA and CGPA from grades and credit hours on any grading scale.
Calculate the volume and fill level of cylindrical, rectangular, and oval tanks.
Calculate pool water volume in gallons or liters for any shape and depth.
Calculate cubic yards of concrete, gravel, mulch, and soil for any project.
Estimate concrete, cement, sand, and aggregate needed for slabs and footings.
Estimate shingles, underlayment, and materials by roof area and pitch.
Calculate stair rise, run, stringer length, and number of steps to code.
A hub of construction calculators for materials, area, volume, and project estimates.
Encode text or files to Base64, decode back to text. Handles UTF-8, binary, data URIs.
Encode special characters for URLs and decode percent-encoded strings.
Convert text between uppercase, lowercase, title case, camelCase, snake_case, and more.
Test password strength, see crack-time estimates, and generate stronger passwords.
Generate UUID v1, v4, v5, and v7 in bulk. Copy as JSON, CSV, or plain text.
Generate MD5, SHA-1, SHA-256, SHA-512, and other hashes from text or files.
Repeat text any number of times with custom separators, line breaks, and counters.
Generate QR codes and barcodes for URLs, text, and products. Download as PNG or SVG.
Pick and convert colors across HEX, RGB, and HSL, and build matching palettes.
Format, validate, minify, and convert JSON. Diff two objects, escape strings.
Convert Unix timestamps to human-readable dates and back. Supports milliseconds and time zones.
Build, parse, and explain cron expressions in plain English.
A practical regex reference and tester. Build patterns, see live matches, learn by example.
Convert between units of length, weight, volume, temperature, data, and more.
Test your download, upload, and ping speed right in the browser.
See your public IP address, location, ISP, and browser details instantly.
Look up domain registration, ownership, expiry, and DNS records.
Count words, characters, sentences, paragraphs, and reading time. Live as you type.
World clock for meetings across time zones. See multiple cities side by side.
Resize, crop, convert, and compress images right in your browser. JPG, PNG, WebP.
Merge, split, compress, and convert PDF files right in your browser.
Convert cups, grams, ounces, and spoons for any recipe.
Convert numbers to words for checks, invoices, and legal documents.
Each tool in this network is built to do one job well: load fast, work offline, respect your data, and never ask you to sign up. If you build for the web and you'd like to be listed here, drop us a line.