Developer Crypto & Utility Tools

AES Encryption Tool

Encrypt text with AES-128, 192, or 256-bit keys — 100% client-side

AES Decryption Tool

Decrypt AES-encrypted ciphertext — supports Base64 and Hex input

SHA-256 Hash Generator

Generate SHA-256 cryptographic hashes instantly — Hex or Base64 output

SHA-512 Hash Generator

Generate SHA-512 cryptographic hashes — stronger than SHA-256

SHA-1 Hash Generator

Generate SHA-1 hashes — for legacy compatibility checks

SHA-3 Hash Generator

Generate SHA-3 (Keccak) hashes — the NIST standard successor

MD5 Hash Generator

Generate MD5 checksums — fast, widely supported, not for passwords

RIPEMD-160 Hash Generator

Generate RIPEMD-160 hashes — used in Bitcoin address generation

HMAC Generator

Generate HMAC message authentication codes — SHA256, SHA512, SHA1, MD5

RSA Key Pair Generator

Generate RSA public & private key pairs — 1024, 2048, or 4096-bit

Hash Comparator & Verifier

Compare and verify hash values — MD5, SHA-256, SHA-512 and more

Checksum Generator

Generate checksums for data integrity verification

Bcrypt Hash Generator

Hash passwords with bcrypt — configure cost factor, verify hashes

RSA Encrypt & Decrypt

Encrypt with RSA public key, decrypt with private key — OAEP padding

Base64 Encoder

Encode text or binary data to Base64 — standard and URL-safe variants

Base64 Decoder

Decode Base64 strings back to plain text or binary data

URL Encoder

Percent-encode URLs and query strings for safe transmission

URL Decoder

Decode percent-encoded URLs back to readable query strings

HTML Entity Encoder

Escape HTML special characters to prevent XSS and display issues

HTML Entity Decoder

Decode HTML entities back to their original characters

Hex Encoder

Convert text to hexadecimal — useful for debugging and binary inspection

Hex Decoder

Decode hexadecimal strings back to plain text

Binary Encoder

Convert text to binary representation — byte by byte

Binary Decoder

Decode binary strings back to readable text

JSON Formatter & Validator

Beautify and validate JSON data — with syntax highlighting and error detection

JSON Minifier

Minify JSON by removing whitespace — reduce payload size

XML to JSON Converter

Convert XML data to JSON format — fast, free, client-side

JSON to XML Converter

Convert JSON data to XML format — browser-based, no server

CSV to JSON Converter

Convert CSV data to JSON — paste your CSV, get instant JSON

YAML to JSON Converter

Convert YAML to JSON — for config files, CI/CD, and API schemas

JWT Decoder & Inspector

Decode and inspect JWT tokens — header, payload, claims at a glance

JWT Encoder

Create and sign JWT tokens with custom claims and headers

UUID / GUID Generator

Generate UUID v4, v1, and bulk UUIDs — cryptographically secure

Random Password Generator

Generate strong, cryptographically secure passwords — customizable length and charset

Random String Generator

Generate random strings, API keys, and tokens — custom length and charset

Unix Timestamp Converter

Convert Unix timestamps to dates and dates to timestamps — with timezone support

Cron Expression Generator

Build and validate cron expressions visually — no syntax memorization needed

Cron Expression Explainer

Understand any cron expression in plain English — with next run times

HTTP Header Parser

Parse and analyze raw HTTP request or response headers

Regex Tester

Test and debug regular expressions in real-time — with match highlighting

Color Code Converter

Convert HEX, RGB, RGBA, HSL, HSV color codes — with visual preview

Number Base Converter

Convert numbers between binary, octal, decimal, and hexadecimal

Lorem Ipsum Generator

Generate lorem ipsum placeholder text — by word, sentence, or paragraph count

SQL Formatter

Format and beautify SQL queries — supports MySQL, PostgreSQL, SQLite

Markdown Previewer

Preview markdown in real-time — GitHub-flavored Markdown support

Text Diff Checker

Compare two text blocks and highlight differences line by line

Word & Character Counter

Count words, characters, sentences, and estimate reading time

IP Address Tools

Subnet calculator, CIDR converter, and IPv4/IPv6 address analysis