Simple tools. Zero friction.

Free calculators, converters, and helpers for work and daily life. No sign-up or install—open what you need and you're done.

All tools

Word counter

Words, characters, and reading time for articles and social posts.

Lorem ipsum

Placeholder paragraphs for mockups and layouts.

HTML entity escape

Escape or unescape HTML entities so characters like < and & display safely in posts and snippets.

SHA hash generator

Compute SHA-256 and other common hashes from text—runs in your browser, nothing is uploaded.

Random number generator

Pick random integers between a minimum and maximum inclusive—useful for giveaways and sampling.

Percentage calculator

Find what is X% of Y, or what percent X is of Y—handy for discounts, analytics, and homework.

Tip calculator

Split a restaurant bill with tip percentage and per-person totals—USD-style defaults, works anywhere.

Age calculator

Calculate exact age in years, months, and days from a birth date to today—or to a custom end date.

Days between dates

Find the number of days between two calendar dates—useful for project timelines and travel planning.

Temperature converter

Convert Celsius, Fahrenheit, and Kelvin instantly—science class, cooking, and weather comparisons.

Length converter

Convert meters, feet, inches, miles, kilometers, centimeters, and yards with high precision.

Weight converter

Convert kilograms, grams, pounds, and ounces for recipes, shipping, and fitness tracking.

BMI calculator

Compute Body Mass Index from height and weight with a simple category label for adults.

Mortgage calculator

Estimate monthly payment and total interest for a fixed-rate loan—quick what-if for home buyers.

Number base converter

Convert integers between bases 2 and 36—binary, hex, octal, and more—handy for homework and puzzles.

Slug generator

Turn headlines and product names into URL-safe slugs with lowercase letters, numbers, and hyphens.

Luhn algorithm checker

Check if a card-style number passes the usual checksum—helpful for quick sanity checks on forms, not for payments.

Regex tester

Try a search pattern against sample text and see the first match highlighted.

JWT decoder

Read the header and payload of a web token in plain text—this page does not verify signatures.

CSV to JSON

Turn a simple comma-separated table into rows with named columns using the first line as headings.

JSON to CSV

Turn a table-shaped list into a spreadsheet-friendly block of comma-separated text.

Sort lines

Alphabetically sort lines ascending or descending—clean up lists, logs, and inventories.

Remove duplicate lines

Deduplicate lines while optionally preserving original order—great for cleaning exports.

Reverse text

Reverse characters or whole lines for puzzles, obfuscation jokes, and Unicode experiments.

Find & replace

Simple literal find and replace across a document—no regex, predictable results.

Trim empty lines

Remove lines that are only whitespace—tidy pasted specs, configs, and meeting notes.

Email extractor

Pull likely email addresses from messy pasted text—lists, resumes, and conference badges.

Meta tag generator

Generate basic HTML meta, Open Graph, and Twitter tags for landing pages—copy into your head block.

ROT13 cipher

Encode or decode ROT13 letters for quick obfuscation puzzles and forum spoilers.

Morse code translator

Translate Latin letters and digits to International Morse code and back for scouting games and puzzles.

IPv4 subnet calculator

Given an IPv4 address and CIDR mask, compute network, broadcast, wildcard, and host count.

Simple text diff

Compare two texts line-by-line to see lines only in A or only in B—quick sanity checks for configs.

Countdown timer

Pick a future date and time and see a live countdown—events, launches, and deadlines.

World clock

See the current time in major cities using IANA time zones—plan calls across regions.

Stopwatch

Millisecond stopwatch with lap list—presentations, workouts, and quick benchmarks.

Image to Base64

Convert a small image file to a Data URL or raw Base64—handy for drafts, emails, or quick sharing.

What is my IP?

Look up the public IPv4 address your connection shows to websites—useful when setting up remote access.

User-agent viewer

See the browser details string websites may read for compatibility—wording varies by version.

PX to REM converter

Convert CSS pixels to rems given a root font size—design handoff and responsive tweaks.