Skip to main content
Online Tools
中文
Calculators
Calculators
Calculator Toolbox
401(k) Calculator
BMI Calculator
Car Lease Calculator
Car Loan Calculator
Compound Interest Calculator
Debt Payoff Calculator
House Affordability Calculator
Loan Calculator
Mortgage Calculator
Refinance Calculator
Paycheck Calculator
Rent vs Buy Calculator
Retirement Calculator
Ring Size Calculator
Sales Tax Calculator
Hardware
Device Info
Device Information
Hardware Tests
Dead Pixel Test
Gamepad Tester
Headphone Test
Keyboard Tester
Microphone Test
Monitor Test
Mouse Tester
Guitar Tuner
Metronome
Speaker Test
Touch Screen Test
Typing Speed Test
Webcam Test
Screen Resolution
Media
Video / Audio
Media Inspector
Media Tools
AVI to MP4
Video Compressor
FLAC to MP3
GIF to MP4
M4A to MP3
MKV to MP4
MOV to MP4
MP3 Cutter
MP4 to MP3
Join Video
Mute Video
OPUS to MP3
Rotate Video
Video Trimmer
Video to GIF
WAV to MP3
WebM to MP4
Dev
Noderail-compatible Dev
Base64 Encode / Decode
Diff Checker
Hash Generator
JSON Formatter & Validator
Unix Timestamp Converter
Regex
Regex Tester
Generators
Colors
Color Palette Generator
Barcodes & QR
UPC-A Barcode Generator
EAN-13 Barcode Generator
Barcode Generator
QR Code with Logo
WiFi QR Code
vCard QR Code
Documents
Email Signature Generator
Favicon Generator
Invoice Generator
Gift Box Template Generator
ICS Event Generator
Receipt Generator
Code 128 Barcode Generator
PDF
PDF Tools
PDF Toolbox
Add Page Numbers to PDF
Compress PDF
Compress PDF to Target KB
Delete PDF Pages
Extract Images from PDF
HEIC to PDF
Organize PDF Pages
PDF to JPG
PDF to Word
Protect PDF
Sign PDF
Unlock PDF
Word to PDF
Add Watermark to PDF
JPG to PDF
PNG to PDF
Merge PDF
Rotate PDF
Split PDF
Image
Image Tools
Image Toolbox
Passport Photo 2x2
Passport Photo 35x45
Passport Photo 4x6
Photo 3x4 cm
Photo 4x6 cm
Circle Crop Image
Background Remover
Set Image DPI
HEIC to JPG
HEIC to PNG
AVIF to JPG
Compress Image
Crop Image
EXIF Data Remover
JPG to PNG
JPG to WebP
PNG to JPG
Resize Image
WebP to JPG
WebP to PNG
Hash
HMAC
HMAC
MD
MD2
MD4
MD5
SHA1
SHA-1
SHA2
SHA-224
SHA-256
Double SHA256
SHA2-512
SHA-384
SHA-512
SHA512/224
SHA512/256
SHA3
SHA3-224
SHA3-256
SHA3-384
SHA3-512
Keccak
Keccak-224
Keccak-256
Keccak-384
Keccak-512
SHAKE
SHAKE128
SHAKE256
cSHAKE
cSHAKE128
cSHAKE256
KMAC
KMAC128
KMAC-XOF
KMAC256
BLAKE
BLAKE2b
BLAKE2s
BLAKE3
ParallelHash
ParallelHash
TupleHash
TupleHash
RIPEMD
RIPEMD-128
RIPEMD-256
RIPEMD-320
RIPEMD-160
CRC
CRC-16
CRC-32
Adler-32
Adler-32
xxHash
xxHash32
xxHash64
xxHash3
xxHash128
SM3
SM3
Whirlpool
Whirlpool
File Hash
File Hash
Cryptography
ChaCha20
ChaCha20
ChaCha20-Poly1305 Encrypt
ChaCha20-Poly1305 Decrypt
AES
AES Encrypt
AES Decrypt
AES-CBC Encrypt
AES-CBC Decrypt
DES
DES Encrypt
DES Decrypt
Triple DES
TripleDES Encrypt
TripleDES Decrypt
RC4
RC4 Encrypt
RC4 Decrypt
SPECK
Speck Encrypt
Speck Decrypt
XXTEA
XXTEA Encrypt
XXTEA Decrypt
Blowfish
Blowfish Encrypt
Blowfish Decrypt
Twofish
Twofish Encrypt
Twofish Decrypt
SM4
SM4 Encrypt
SM4 Decrypt
XOR
XOR
JWT
JWT Encode
JWT Decode
Password Hash
bcrypt
Argon2
scrypt KDF
PBKDF2
RSA
RSA Encrypt / Decrypt
OTP
TOTP / HOTP
BIP39
BIP39 Mnemonic
UUID
UUID Generator
Password
Password Generator
Timestamp
Time Converter
X.509
Certificate Parse
Key Generator
Key Generator
AES-GCM
AES-GCM Encrypt
AES-GCM Decrypt
AES-CTR
AES-CTR Encrypt
AES-CTR Decrypt
Digital Signature
Message Signer
RSA Signer
ECDSA Signer
Ed25519 Signer
Encoding
Hex (Base16)
Hex Encode
Hex Decode
File to Hex
Hex to File
Base32
Base32 Encode
Base32 Decode
File to Base32
Base32 to File
Base58
Base58 Encode
Base58 Decode
File to Base58
Base58 to File
Base64
Base64 Encode
Base64 Decode
Base64URL Encode
File to Base64URL
Base64URL to File
Base64URL Decode
HTML
HTML Encode
HTML Decode
URL
URL Parser
URL Encode
URL Decode
CBOR
CBOR Encode
CBOR Decode
Files
File to Base64
Base64 to File
Format
JSON
JSON Formatter
JSON Minify
JSON Compare
JSON Validator
JSON Viewer
JSON / CSV
JSON to CSV
CSV to JSON
XML
XML Formatter
XML Minify
XML Validator
Convert
Diff
Text Compare
Syntax
Syntax Highlighter
QR Code
QR Generator
QR Scanner
Barcode
Code 128 Barcode
Case
Case Converter
Schedule
Cron Builder
Life
Retirement Age (China)
Compression
Brotli
Brotli Compress
Brotli Decompress
LZMA
LZMA Compress
LZMA Decompress
LZIP
LZIP Compress
LZIP Decompress
XZ
XZ Compress
XZ Decompress
Zstandard
Zstd Compress
Zstd Decompress
Tar
Tar Create
Tar Extract
gzip
GZip Compress
GUnzip
deflate
Deflate
Inflate
zip
ZIP Compress
Unzip
MD5
Calculate the MD5 digest of a string.
Input
Output
Settings
Input Encoding
UTF-8
UTF-16LE
UTF-16BE
Hex
Base64
Output Encoding
Hex (Lower Case)
Hex (Upper Case)
Base64
UTF-8
Enable HMAC
HMAC Key Encoding
UTF-8
Hex
Base64
Key
MD5
Auto Update
