Tools

All tools

Little helpers for everyday work.

Everyday

Password Generator

A strong random password: pick the length and the characters, then copy it.

Picture Annotator

Mark up a screenshot with boxes, arrows, steps and text, blur what's private, then copy it out.

PDF Toolkit

Put PDFs together, take pages out, turn them, fill in forms and sign, all in your browser.

Time Zone Planner

Every place's hours side by side: find the first hour everyone is working, and share it as a link.

Date & Time Calculator

How long between two moments, or which date and time is so many days, workdays or months away.

Calendar

Any month or year at a glance, with week numbers and the United States holidays; pick days to count them.

Business Card

A digital business card with a QR code that adds you to a phone's contacts. Nothing is kept on this site.

Focus Timer

A Pomodoro and interval timer with chimes, and a log of the sessions you finish.

What Is My IP?

Your IP address as every site sees it, and where it says you are.

Color Picker

Pick a color or type one in any format: every other format, its contrast, and a Material 3 palette made from it.

Phonetic Alphabet

Type anything to see it spelled out in code words: Alfa, Bravo, Charlie.

Kitchen Converter

What a glass or a spoon of it weighs, in an American kitchen or a Turkish one, and the oven, a weight and a length in both kitchens' units.

QR Code

A QR code for a link, your Wi-Fi, a contact, an email, a text, a call or a place, made in your browser.

Barcode

UPC-A, EAN-13, Code 128 and Code 39 barcodes for products, shipping and labels, made in your browser.

Developer

Markdown Editor

Write Markdown and see it as you type, with GitHub alerts, tables, tasks, math, Mermaid and PlantUML.

Text Compare

Two texts or files side by side, every change lined up to the character.

Material Colors

Google's original Material Design palette from 2014, every shade and accent of its 19 hues in one grid, a tap to copy.

Code Name Generator

A code name from two real words, in English or Turkish, with what each one means.

Cron Expression Explainer

A cron expression in plain words, with its next runs, as Azure Functions, Hangfire or Quartz.NET read it.

Base64 Encoder & Decoder

Text to Base64 and back, as you type, in the standard or the URL-safe alphabet.

URL Parser

Take a URL apart, edit its query as a table and get it back, a redirect inside it too.

Character Table

ASCII, Unicode and HTML entities to search, every code to copy, and an inspector for hidden characters.

GUID Generator

A fresh GUID (UUID), random or time-ordered, in the format you need; paste one to read it.

Hash Generator

The SHA-256, SHA-384 and SHA-512 of any text or file, and a check against the hash you were given.

JWT Decoder

Read a JSON Web Token's header and claims in plain words, and check its signature with your secret or public key.

Regex Tester

A regular expression in seven real engines: its matches, its parts in plain words, and the code to use it.

DNS Lookup

A domain's DNS records, or an IP address's name, asked of Cloudflare and Google side by side.

Whois Lookup

Who a domain, an IP address or an AS number is registered to, and since when.

Subnet Calculator

Any IPv4 or IPv6 range: its addresses and mask, how it splits, how your subnets fit in it, and what overlaps.

Code Practice

Puzzles that compile, to keep a developer's mind sharp.