All Tools

Free online developer tools for encoding, formatting, generating, and security tasks. All tools work in your browser without registration.

Encoders & Decoders

Encode and decode various data formats

Base64 Encoder/Decoder

Encode and decode Base64 strings online free

URL Encoder/Decoder

Encode and decode URL components safely

HTML Entity Encoder/Decoder

Encode and decode HTML entities

Coming Soon

Binary Encoder/Decoder

Convert text to binary and binary to text

Coming Soon

Hex Encoder/Decoder

Convert text to hexadecimal and back

Coming Soon

Formatters & Validators

Format and validate code and data

JSON Formatter/Validator

Format and validate JSON data

XML Formatter/Validator

Format and validate XML data

Coming Soon

YAML Formatter/Validator

Format and validate YAML configuration files

Coming Soon

CSS Formatter/Minifier

Format and minify CSS stylesheets

Coming Soon

HTML Formatter/Validator

Format and validate HTML markup

Coming Soon

SQL Formatter

Format and beautify SQL queries

Coming Soon

Generators

Generate various types of data

UUID Generator

Generate UUID v1 and v4 unique identifiers

QR Code Generator

Generate QR codes from text and URLs

Coming Soon

Password Generator

Generate secure random passwords

Lorem Ipsum Generator

Generate placeholder text for designs

Coming Soon

Random Data Generator

Generate random names, emails, addresses

Coming Soon

Security Tools

Security and cryptographic tools

JWT Decoder

Decode and analyze JWT tokens without secret key

Hash Generator

Generate MD5, SHA-1, SHA-256 hashes securely

SSL Certificate Decoder

Decode and analyze SSL/TLS certificates

Coming Soon

Converters

Convert between different formats and units

Timestamp Converter

Convert between Unix timestamps and dates

Color Converter

Convert between color formats (HEX, RGB, HSL)

Coming Soon

Unit Converter

Convert between different units of measurement

Coming Soon

Image Format Converter

Convert images between different formats

Coming Soon

Utilities

Helpful development utilities and tools

Regex Tester

Test and debug regular expressions

Text Diff Checker

Compare text differences side by side

Lorem Ipsum Generator

Generate placeholder text for designs

Coming Soon

Word Counter

Count words, characters, and paragraphs

Coming Soon

URL Analyzer

Analyze and parse URL components

Coming Soon

IP Address Lookup

Get information about IP addresses

Coming Soon

WHOIS Lookup

Look up domain registration information

Coming Soon

DNS Lookup

Perform DNS record lookups

Coming Soon

Website Speed Test

Test website loading speed and performance

Coming Soon

SSL Certificate Checker

Check SSL certificate validity and details

Coming Soon

Data Converters

Convert between different data formats

CSV to JSON Converter

Convert CSV files to JSON format

JSON to CSV Converter

Convert JSON data to CSV format

Coming Soon

XML to JSON Converter

Convert XML documents to JSON format

Coming Soon

JSON to XML Converter

Convert JSON data to XML format

Coming Soon

Markdown to HTML Converter

Convert Markdown text to HTML

Coming Soon

HTML to Markdown Converter

Convert HTML content to Markdown

Coming Soon

Image Tools

Image processing and optimization tools

Image Resizer & Compressor

Resize and compress images for web optimization

SVG Optimizer

Optimize and minify SVG files

Coming Soon

Favicon Generator

Generate favicons from images or text for websites

Image to Base64 Converter

Convert images to Base64 encoded strings

Coming Soon

Text Processors

Advanced text processing and manipulation

Case Converter

Convert text between different cases

Text Sorter & Deduplicator

Sort lines and remove duplicates from text

Coming Soon

Escape/Unescape String

Escape and unescape strings for various languages

Coming Soon

Text to ASCII Converter

Convert text to ASCII art and ASCII codes

Coming Soon

Random String Generator

Generate random strings with custom parameters

Coming Soon

Crypto Tools

Cryptographic and security utilities

JWT Generator

Generate JSON Web Tokens with custom claims

AES Encrypt/Decrypt

Encrypt and decrypt text using AES algorithm

Coming Soon

RSA Key Generator

Generate RSA public and private key pairs

Coming Soon

HMAC Generator

Generate HMAC signatures for message authentication

Coming Soon

OTP Generator

Generate one-time passwords for 2FA

Coming Soon

Web Tools

Web development and optimization tools

JavaScript Minifier/Beautifier

Minify and beautify JavaScript code

CSS Grid Generator

Generate CSS Grid layouts visually

Coming Soon

robots.txt Generator

Generate robots.txt files for SEO

Coming Soon

Browser Feature Detector

Detect browser features and compatibility

Coming Soon

Email Validator

Validate email addresses and check format

Coming Soon

Credit Card Validator

Validate credit card numbers using Luhn algorithm

Coming Soon

Phone Number Formatter

Format phone numbers for different countries

Coming Soon

Cron Expression Generator

Generate and validate cron expressions

Coming Soon

User Agent Parser

Parse and analyze user agent strings

Coming Soon

ASCII Art Generator

Generate ASCII art from text

Coming Soon

Frequently Asked Questions

How to use online developer tools?

Our developer tools are designed to work entirely in your browser. Simply select a tool, paste your data, and get instant results without any registration or downloads.

Are these developer tools free?

Yes, all our developer tools are completely free to use. No registration, no limits, and no hidden costs.

Is my data secure?

All processing happens in your browser. Your data never leaves your device, ensuring complete privacy and security.

What tools are available?

We offer encoders, formatters, generators, and security tools including Base64 encoder, JSON formatter, JWT decoder, and more.