Online toolbox
Search and filter to find the tool you need.
/
Search by name, task or common aliases; minor spelling mistakes are tolerated.
My favorites0
Click ☆ beside a tool to keep it here.
Everyday favorites
237 tools
Word counter
Remove duplicate lines
Sort lines
Uppercase text
Lowercase text
Trim whitespace
Reverse text
URL slug generator
Find and replace
Text diff
Filter lines
List intersection
List difference
List union
Frequency counter
Split text
Join text
Add prefix and suffix
Add line numbers
Remove empty lines
Extract emails
Extract URLs
Shuffle list
Repeat text
Wrap text
Title case
Camel case
Snake case
Strip HTML tags
Markdown · preview
ASCII Halfwidth to fullwidth
ASCII Fullwidth to halfwidth
Chinese to Pinyin
Traditional to simplified Chinese
Simplified to traditional Chinese
Text byte counter
Remove line numbers
Count text occurrences
Filter lines by length
Slice text columns
Remove line breaks
JSON formatter
JSON minifier
SHA-256 hash
JSON to CSV
HTML · formatter
CSS · formatter
JavaScript · formatter
TypeScript · formatter
YAML · formatter
SQL · formatter
XML · formatter
JavaScript · minifier
CSS · minifier
HTML · minifier
JSON · escape
JSON · unescape
JWT · decoder
Regex tester
Cron parser
SHA-1 · hash
SHA-384 · hash
SHA-512 · hash
MD5 · hash
CRC32 · hash
HMAC-SHA256 · hash
AES-GCM · encrypt
AES-GCM · decrypt
JSON to TypeScript types
JSON to Java class
JSON to Go struct
JSON to C# class
HTML table generator
Keyboard tester
SQL minifier
Sort JSON keys
JSON Schema generator
TOML · formatter
SHA3-256 · hash
SHA3-512 · hash
Keccak-256 · hash
RIPEMD-160 · hash
SHAKE128 · hash
SHAKE256 · hash
CRC-16/MODBUS · hash
Base64 encoder
Base64 decoder
URL encoder
URL decoder
HTML escape
HTML unescape
JSON → YAML
YAML → JSON
JSON → URL
URL → JSON
Hex → UTF-8
UTF-8 → Hex
UTF-8 → Unicode
Unicode → UTF-8
UTF-8 → Morse
Morse → UTF-8
Base32 · encoder
Base32 · decoder
Base58 · encoder
Base58 · decoder
Base64URL · encoder
Base64URL · decoder
JSON → TOML
TOML → JSON
HTML → Markdown
Length converter
Weight converter
Temperature converter
Data size converter
Number base converter
Percentage calculator
Number statistics
GCD and LCM
Prime checker
Roman numerals
Chinese currency words
Screen PPI
File permissions
Area converter
Volume converter
Speed converter
Pressure converter
Energy converter
Power converter
Angle converter
Frequency converter
PX / REM converter
Density converter
Force converter
Time unit converter
Fibonacci sequence
Bitwise calculator
No tools found. Try another keyword.