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.
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.
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.
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.
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.