Handy tools for developers

Barcode generator

QR Code decoder

QR Code generator

QR Contact Info generator

WiFi QR Code generator

Bash Cheatsheet

CSS Selectors Cheatsheet

Common Regex Cheatsheet

Docker Cheatsheet

Docker Compose cheatsheet

Docker SWARM cheatsheet

Dockerfile cheatsheet

Git Semantic Commit Cheatsheet

JSONPath Syntax Cheatsheet

Markdown Cheat Sheet

Nano CheatSheet

Nginx Cheatsheet

Regex cheatsheet

XPath Syntax Cheatsheet

Base64 Hex array encoder/decoder

Base64 file converter

Base64 string encoder/decoder

Data Storage Unit converter

Email normalizer

Energy Consumption and Expense Computer

Env Variables Format Converter

Integer base converter

Many Units Converter

Properties converter

Roman numeral converter

Text to UTF-8 binary

Text to Unicode

Torrent to Magnet

Unicode Characters to Java Entities Converter

AGE Cryptography

Ansible vault crypt decrypt

Certificate/Key parser

ECDSA key pair generator

Ed25519 key pair generator

Encrypt / decrypt text

Niceware Bytes to Passphrase

Paseto/PASERK Local

Paseto/PASERK Public/Private

RSA key pair generator

RSA/DSA/ECDSA Signer and Verifier

SSL Certificate converter

X509 certificate generator

Credit Card Checker

Credit Card Number Generator

Currency Converter

IBAN validator and parser

IES Lighting Guidelines

ISBN Validator and Parser

ISO 3166 Country Codes Searcher

Phone parser and formatter

RMB Uppercase Converter

Software licence compatibility

VAT Numbers Validator

Cron/Weekday Alarm

Date+Durations Calculator

Date-time converter

Days Calculator

Duration Calculator

ICAL File Parser

Timezone Converter

Week Numbers Converter

dBm mW Converter

ANSI Escape Tester

Cli command editor

Code/Scripts Highlighter

Database Connection String Builder

Django Secret Generator

Favicon Generator

HEX File Converter

Javascript Prettifier

Javascript Unobfuscator/Unpacker

Json to Protobuf

Json to SQL INSERT

Json to Typescript

Mailto Generator

Open graph meta generator

Quote Converter

SQL Parameters Generator

SQL prettify and format

Stacktrace prettier

Swagger UI tester

Docker Compose Format Converter

Docker Compose Validator

Docker Compose to Docker run converter

Docker Compose to Quadlets

Docker compose to kubernetes

Docker inspect to Docker run

Docker run to Docker compose converter

Docker run to Quadlets

Docker run to kubernetes

Traefik Docker Compose Maker

ActiveDirectory LDAP properties searcher

Bounce Email Parser

DMARC Report Analyzer

File Type Detector

Floating point number converter

GZip/Deflate converter

Hex Encoder/Decoder

MIME Encoding Converter

Middle-Endian Converter

MongoDB ObjectId Converter

Outlook MSG Parser

Outlook Safelink decoder

Parquet files Reader

Resistor Calculator

SMART Raw Converter

Sensitive data masker

Sharepoint Share Url Decoder

Snowflake ID extractor

TCPDump Generator

Text Charset Detector/Decoder

BIP39 passphrase generator

Diceware Password Generator

NanoIDs generator

Numeronym generator

OTP code generator

Passphrase Generator

Pin Code Generator

Random numbers generator

Token generator

UUIDs generator

Camera recorder

ICO/PNG converter

Image Color Inverter

Image EXIF/Metadata/GPS/JPEG Quality reader

Image Formats Converter

Image to SVG (potrace)

OCRize image and PDF

JS to JSON converter

JSON Flattener/Unflattener

JSON prettify and format

JSON sort master

JSON to JS converter

JSON to Java Entity

JSON to YAML converter

Jq/JSONPath Tester

Json Escaper/Unescaper

Json Size Analyzer

Json string converter

Json to PHP Code

Json to PHP-Array

Json to SQL DDL

PHP-Array to JSON

Html to markdown

Markdown Editor

Markdown Table Prettifier

Markdown to DOCX

Markdown to HTML

Markdown toc generator

Paste as Markdown

Math Formats Converter

Aspect Ratio Calculator

Benchmark builder

Geo distance calculator

Percentage calculator

Apache LogRotate Generator

BIMI DNS Generator

Basic auth generator

Chmod calculator

Crontab generator

Curl Command Generator

DKIM DNS Generator

DMARC DNS Generator

Data Transfer Rate Calculator

FStab Generator

FW command line generator

HTAccess generator

Htpasswd/htaccess generator

IP Geo Location

IP Subnets Exclude Calculator

IPv4 address converter

IPv4 range expander

IPv4 subnet calculator

IPv4-6/IPRange/CIDR in IPRange/CIDR/IPMask

IPv4/6 Range to CIDR(s) Calculator

IPv6 ULA generator

Integers to IPv4/IPv6

Iptables Generator

Ipv4/6 CIDR to IP Range Calculator

Ipv6 address converter

Ipv6 subnet calculator

MAC Address Converter

MAC address generator

MAC address lookup

Microphone Tester

Multi link downloader

Nginx formatter

Option43 generator

Password strength analyser

Punycode Converter

RAID Calculator

RAID Reliability Calculator

Random port generator

Rsync Generator

SIP Authorization

SPF DNS generator

WPA PSK generator

Websocket tester

Wireguard Config Generator

X-VR-SpamCause Decoder

ZPOOL RAID calculator

ZPool Cheatsheet

Zxcvbn Password Strength

PDF Text Extractor

PDF signature checker

Pdf Decrypt and Unlock

Pdf Linearize/FastWeb

Pdf Page Extractor

Angle Units Converter

Area Units Converter

Energy Units Converter

Force Units Converter

Illuminance Converter

Length Units Converter

Mass Units Converter

Power Converter

Pressure Units Converter

Temperature converter

Volume Units Converter

AI Prompt Splitter

ASCII Art Text Generator

Citation Generator

Duplicate Lines Finder

Extract text from HTML

Folder Structure Diagram

GPT Token Encoder/Decoder

GPT Token Estimator

Image to ASCII Art

Keyboard Layout Converter

Levenshtein Calculator

Lorem ipsum generator

Mermaid exporter

Morse Code Converter

Pack files for AI

Sed Command generator

Smart Text Replacer and Linebreaker

Social Link Sharer

String obfuscator

Text Translator

Text statistics

Text to NATO alphabet

Text to Unicode Names

Unicode Formatter

Unicode to GSM-7

CSS XPath Converter

Color Contrast Checker

Color converter

Device information

Encode/decode url formatted strings

Escape HTML entities

HTML WYSIWYG editor

HTTP status codes

Html Prettifier

REM Pixel converter

SVG placeholder generator

UTM Url Generator

Url Text Search Fragment Maker

User-agent parser

YAML Flattener/Unflattener

YAML prettify and format

YAML to JSON converter

IT-Tools v2025.10.19

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REM Pixel converter

Convert px to rem and vice versa

px to rem

Pixel value (px):

Corresponding rem value:

rem to px

Rem value (rem):

Corresponding px value: