Encoding & Crypto

Base64 Encode

Encode text to Base64 format instantly in your browser.

🔐 Encoding & Crypto

Base64 Decode

Decode Base64-encoded strings back to plain text instantly.

🔐 Encoding & Crypto

Base64 Image Encoder

Convert images to Base64-encoded data URIs for embedding in HTML and CSS.

🔐 Encoding & Crypto

Base64 Image Decoder

Decode Base64 data URIs back to viewable and downloadable images.

🔐 Encoding & Crypto

Base32 Encode

Encode text to Base32 format using the RFC 4648 standard alphabet.

🔐 Encoding & Crypto

Base32 Decode

Decode Base32-encoded strings back to plain text.

🔐 Encoding & Crypto

Base58 Encode

Encode text to Base58 format used by Bitcoin and IPFS.

🔐 Encoding & Crypto

Base58 Decode

Decode Base58-encoded strings back to plain text.

🔐 Encoding & Crypto

Base85 Encode

Encode text to Base85 (Ascii85) format for compact binary-to-text encoding.

🔐 Encoding & Crypto

Base85 Decode

Decode Base85 (Ascii85) encoded strings back to plain text.

🔐 Encoding & Crypto

URL Encode (Full)

Percent-encode all special characters in a URL string.

🔐 Encoding & Crypto

URL Decode (Full)

Decode percent-encoded URL strings back to readable text.

🔐 Encoding & Crypto

HTML Entity Encode

Convert special characters to HTML entities for safe web embedding.

🔐 Encoding & Crypto

HTML Entity Decode

Decode HTML entities back to their original characters.

🔐 Encoding & Crypto

Punycode Encode

Convert internationalized domain names to Punycode (xn--) format.

🔐 Encoding & Crypto

Punycode Decode

Convert Punycode (xn--) domains back to readable Unicode text.

🔐 Encoding & Crypto

Quoted-Printable Encode

Encode text to Quoted-Printable format for email transport.

🔐 Encoding & Crypto

Quoted-Printable Decode

Decode Quoted-Printable encoded text back to readable form.

🔐 Encoding & Crypto

Unicode Escape

Convert text to Unicode escape sequences (\uXXXX format).

🔐 Encoding & Crypto

Unicode Unescape

Convert Unicode escape sequences (\uXXXX) back to readable text.

🔐 Encoding & Crypto

UTF-8 Encode/Decode

View UTF-8 byte representations of text and decode byte sequences.

🔐 Encoding & Crypto

ASCII to Hex

Convert ASCII text to hexadecimal representation.

🔐 Encoding & Crypto

Hex to ASCII

Convert hexadecimal values back to readable ASCII text.

🔐 Encoding & Crypto

Binary to Decimal

Convert binary numbers to decimal (base-10) representation.

🔐 Encoding & Crypto

Decimal to Binary

Convert decimal numbers to binary (base-2) representation.

🔐 Encoding & Crypto

MD5 Hash Generator

Generate MD5 hash digests.

🔐 Encoding & Crypto

SHA-1 Hash Generator

Generate SHA-1 hash digests.

🔐 Encoding & Crypto

SHA-256 Hash Generator

Generate SHA-256 hash digests.

🔐 Encoding & Crypto

SHA-384 Hash Generator

Generate SHA-384 hash digests from text using the SubtleCrypto API.

🔐 Encoding & Crypto

SHA-512 Hash Generator

Generate SHA-512 hash digests from text using the SubtleCrypto API.

🔐 Encoding & Crypto

SHA-3 Hash Generator

Generate SHA-3 (Keccak) hash digests from text input in your browser.

🔐 Encoding & Crypto

RIPEMD-160 Hash Generator

Generate RIPEMD-160 hash digests from text input in your browser.

🔐 Encoding & Crypto

CRC32 Calculator

Calculate CRC32 checksums from text for error detection and data integrity.

🔐 Encoding & Crypto

Adler-32 Calculator

Calculate Adler-32 checksums from text for fast data integrity checks.

🔐 Encoding & Crypto

HMAC Generator

Generate HMAC digests with multiple hash algorithms.

🔐 Encoding & Crypto

Bcrypt Hash Generator

Generate bcrypt password hashes with configurable cost factor.

🔐 Encoding & Crypto

Argon2 Hash Generator

Generate Argon2 password hashes — the modern standard.

🔐 Encoding & Crypto

Hash Identifier

Identify hash types by analyzing hash length, format, and character patterns.

🔐 Encoding & Crypto

File Hash Calculator

Calculate MD5, SHA-256, and SHA-512 hashes of any file in your browser.

🔐 Encoding & Crypto

AES Encrypt/Decrypt

Encrypt and decrypt text using AES with a passphrase.

🔐 Encoding & Crypto

DES Encrypt/Decrypt

Encrypt and decrypt text using DES for legacy compatibility.

🔐 Encoding & Crypto

Triple DES Encrypt/Decrypt

Encrypt and decrypt using Triple DES (3DES) for legacy encryption.

🔐 Encoding & Crypto

Blowfish Encrypt/Decrypt

Encrypt and decrypt text using the Blowfish cipher.

🔐 Encoding & Crypto

XOR Encrypt/Decrypt

Encrypt and decrypt text using XOR cipher with a repeating key.

🔐 Encoding & Crypto

RSA Key Generator

Generate RSA key pairs using the Web Crypto API.

🔐 Encoding & Crypto

RSA Encrypt/Decrypt

Encrypt and decrypt using RSA public-key cryptography.

🔐 Encoding & Crypto

Caesar Cipher

Encrypt and decrypt text using the Caesar shift cipher.

🔐 Encoding & Crypto

Vigenere Cipher

Encrypt and decrypt text using the Vigenere cipher with a keyword.

🔐 Encoding & Crypto

Atbash Cipher

Encrypt and decrypt text using the Atbash reverse-alphabet cipher.

🔐 Encoding & Crypto

Rail Fence Cipher

Encrypt and decrypt text using the Rail Fence transposition cipher.

🔐 Encoding & Crypto

JWT Decoder

Decode and inspect JSON Web Tokens — view header, payload, and expiration status.

🔐 Encoding & Crypto

JWT Generator

Generate signed JSON Web Tokens with custom claims, algorithm selection, and expiration.

🔐 Encoding & Crypto

JWT Validator

Validate JWT tokens — verify HMAC signature, check expiration, inspect claims.

🔐 Encoding & Crypto

TOTP Generator

Generate time-based one-time passwords (TOTP) compatible with Google Authenticator.

🔐 Encoding & Crypto

TOTP Validator

Validate TOTP codes against a shared secret with configurable time window.

🔐 Encoding & Crypto

HOTP Generator

Generate HMAC-based one-time passwords (HOTP) with counter tracking.

🔐 Encoding & Crypto

SSH Key Generator

Generate RSA and ECDSA key pairs for SSH authentication.

🔐 Encoding & Crypto

PGP Key Generator

Generate PGP-formatted RSA key pairs for email encryption.

🔐 Encoding & Crypto

CSR Generator

Generate Certificate Signing Requests with RSA key pairs.

🔐 Encoding & Crypto

Self-Signed Certificate Generator

Generate self-signed SSL/TLS certificates for development.

🔐 Encoding & Crypto

Password Hash Verifier

Verify passwords against SHA hash digests.

🔐 Encoding & Crypto

Checksum Verifier

Calculate and verify file checksums using SHA algorithms.

🔐 Encoding & Crypto

Digital Signature Verifier

Verify RSA digital signatures against messages.

🔐 Encoding & Crypto

SPF Record Generator

Generate SPF DNS TXT records for email authentication.

🔐 Encoding & Crypto

DKIM Record Generator

Generate DKIM DNS TXT records for email signing.

🔐 Encoding & Crypto

DMARC Record Generator

Generate DMARC DNS records for email authentication policy.

🔐 Encoding & Crypto

DANE/TLSA Record Generator

Generate DANE TLSA DNS records for certificate authentication.

🔐 Encoding & Crypto

Bitcoin Address Validator

Validate Bitcoin addresses — Legacy, P2SH, Bech32.

🔐 Encoding & Crypto

Ethereum Address Validator

Validate Ethereum addresses — 0x + 40 hex chars.

🔐 Encoding & Crypto

Solana Address Validator

Validate Solana addresses — Base58, 32-44 chars.

🔐 Encoding & Crypto

Mnemonic Phrase Generator

Generate random BIP39-style mnemonic seed phrases.

🔐 Encoding & Crypto

Base58Check Encoder

Encode data with Base58Check including SHA-256 checksum.

🔐 Encoding & Crypto

Hex to Bytes Visualizer

Visualize hex strings as bytes with decimal, binary, and ASCII.

🔐 Encoding & Crypto

ASN.1 Decoder

Decode ASN.1 DER/BER structures from PEM, Base64, or hex.

🔐 Encoding & Crypto

PEM/DER Converter

Convert between PEM and DER certificate/key formats.

🔐 Encoding & Crypto