무료 온라인 도구

Encoding and decoding tool

Encoding and decoding tool

Encoding and decoding tool

URL-safe Base64 variant

Convert image to Base64 string

Convert Base64 to image file

Convert any file to Base64 data URL

Decode Base64 to PDF and preview

Play Base64 audio in browser

Convert SVG to data URI or Base64

Encoding and decoding tool

Encoding and decoding tool

Convert WebP image to Base64

Encoding and decoding tool

Encoding and decoding tool

Decode Base64 to WebP image

Convert image to Base64 string

Convert Base64 to image file

Encoding and decoding tool

Base32 encoding with case-insensitive alphabet

Alphanumeric encoding using 0-9 and A-Z

QR code optimized encoding

Bitcoin and cryptocurrency addresses

URL shorteners and identifiers

URL-safe Base64 variant

ASCII85 encoding for PostScript and PDF

High-efficiency text encoding

Maximum efficiency ASCII encoding

Unicode emoji encoding

Human-friendly Base32 variant

ZeroMQ variant of ASCII85

Adobe ASCII85 encoding

Hex encoding (base 16)

Binary representation (0 and 1)

Octal encoding (base 8)

Convert between number bases 2-36

Binary-Coded Decimal

Binary reflected code

Unicode code point inspector

JavaScript escape sequences

HTML character entities

International domain names

IBM mainframe encoding

Percent encoding for URLs

RFC 3986 percent encoding

URL component analyzer and builder

International domain names

URL-safe Base64 variant

MD5 hash generation and checksum

SHA-1 hash function (160-bit)

SHA-256 cryptographic hash function

SHA-512 cryptographic hash (512-bit)

HMAC message authentication code generator

CRC32 checksum calculator

Hash type detection and identification

AES encryption and decryption

Secure random password creator

HMAC message authentication code generator

JSON Web Token decoder and inspector

BIP39 mnemonic seed phrase generator

PGP/GPG message format

SSL certificate (PEM) decoder

Certificate Signing Request decoder

PGP/GPG message format

JSON beautifier and minifier

JSON beautifier and pretty printer

JSON compressor and validator

JSON and YAML format converter

JSON and CSV format converter

Convert JSON to TypeScript interfaces

Convert JSON to Go struct definitions

XML and JSON format converter

Convert between YAML and TOML formats

TOML configuration file parser

XML formatter and beautifier

CSS minifier and optimizer

JavaScript minifier and compressor

HTML minifier and compressor

JSON compressor and validator

SQL query formatter and beautifier

XML formatter and beautifier

Side-by-side text comparison

Markdown and HTML converter

Visual Markdown table generator

Unix epoch time converter

Epoch time to date converter

Cron expression parser and scheduler

Cron expression generator and scheduler builder

Unit converter: length, mass, temperature, volume, speed, pressure, energy, fuel economy and more with all units at once

Universal unique identifier generator

GUID (Globally Unique Identifier) generator

Time-sortable UUIDv7 generator and decoder

Random strings for tokens and test data

Word counter with live statistics, reading time, readability, keyword density and character limits

Text line tools: sort, deduplicate, reverse, shuffle, number, trim and prefix or suffix lines

URL slug generator with transliteration, stop word removal, length limit and batch mode

Text case format converter

Side-by-side text comparison

Regular expression testing and debugging

Placeholder text generator

Edit distance encoding

IPv4 address converter and subnet calculator

URL component analyzer and builder

User-Agent string parser and analyzer

Generate robots.txt for SEO

HEX RGB HSL color format converter

CSS minifier and optimizer

Random HEX RGB and HSL colors

Unit converter: length, mass, temperature, volume, speed, pressure, energy, fuel economy and more with all units at once

Octal encoding (base 8)

QR code creation and download

QR code optimized encoding

Variable-length prefix coding

Entropy encoding algorithm

Sliding window compression

Run-length encoding

Burrows-Wheeler transform

Move-to-front transform

Fixed-to-variable encoding

Universal code for integers

Improved Elias gamma code

Asymptotically optimal code

Golomb coding for integers

Simplified Golomb coding

Exponential Golomb coding

Fibonacci number encoding

Simplest variable-length code

Comma-separated encoding

Error correction code

Self-clocking line code

5-bit teleprinter code

Dots and dashes encoding

Delta encoding for sequences

Binary reflected code

MIME quoted-printable encoding

Unix-to-Unix encoding

Alternative to UUencoding

Usenet binary encoding

Classic Mac binary encoding

Pronounceable binary encoding

Simple letter substitution

Intel hex format for firmware

Motorola S-Record format

Hex encoding (base 16)

Data size unit converter

EMC unit conversion and standard limit lookup

Phonetic name encoding

Enhanced Soundex variants

Improved phonetic algorithm

Dual phonetic encoding

New York State identification

New Zealand phonetic algorithm

German phonetic encoding

Jewish surname encoding

Match Rating Approach

Extended phonetic encoding

Canadian census name coding

Edit distance encoding

Bitcoin SegWit addresses

Bitcoin and cryptocurrency addresses

BIP39 mnemonic seed phrase generator

SHA-256 cryptographic hash function

Random integer and decimal generator

Random list picker, shuffler and pair-up tool

Spin a wheel to pick a random winner

Random strings for tokens and test data

Random words for prompts and games

Random HEX RGB and HSL colors

Safe random email addresses for tests

Sample addresses for QA and mock data

Random countries for geography prompts

Random words for prompts and games

Random A-Z letter picker

Random discussion topics and prompts

Random questions for conversations

Random playing card picker

Random movie picker for watchlists

Random animals for games and prompts

Random objects for creative prompts

Arithmetic coding compression

Convert between number bases 2-36

Data size unit converter

Unit converter: length, mass, temperature, volume, speed, pressure, energy, fuel economy and more with all units at once

Simple letter substitution

Dots and dashes encoding

5-bit teleprinter code

Pronounceable binary encoding

Self-clocking line code

Japanese era (wareki) converter: Reiwa, Heisei, Showa, Taisho, Meiji to Gregorian year, age and zodiac

Convert full-width and half-width characters: alphanumerics, symbols, spaces and katakana

Convert hiragana to katakana and back, including half-width kana

Convert kana to romaji (Hepburn, Kunrei, Nihon-shiki, passport) and romaji back to kana

Fix garbled Japanese text (mojibake) between UTF-8, Shift_JIS, EUC-JP and ISO-2022-JP

Unicode code point inspector

Word counter with live statistics, reading time, readability, keyword density and character limits