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// Free Web Tools

Developer Toolkit
Right in Your Browser

16 free tools, no signup needed. Everything runs in your browser — your data never leaves your machine.

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Formatters
JSON Formatter
Format, validate & explore JSON
⌥
Formatters
YAML Formatter
Lint, format & convert YAML
</>
Formatters
XML Formatter
Beautify & validate XML
⊞
Formatters
CSV Formatter
View & format CSV tables
⌗
Formatters
SQL Formatter
Format & highlight SQL queries
M↓
Formatters
Markdown Preview
Live Markdown rendering
64
Encoders
Base64
Encode & decode Base64 strings
JWT
Encoders
JWT Decoder
Decode & inspect JWT tokens
%20
Encoders
URL Encoder
Encode & decode URLs
.*
Utilities
Regex Tester
Test & debug regular expressions
±
Utilities
Diff Checker
Compare two blocks of text
⏰
Utilities
Cron Builder
Build & explain cron expressions
🎨
Utilities
Color Picker
Pick colors, convert formats
⌚
Utilities
Unix Timestamp
Convert Unix timestamps
◈
Editors
HTML Preview
Live HTML/CSS/JS preview
✏
Editors
Collab Editor
Real-time collaborative editor
Text
Word Counter
Count words, characters & reading time
Aa
Text
Case Converter
UPPER, lower, camelCase, snake_case
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Generators
Lorem Ipsum Generator
Placeholder text for mockups
✿
Generators
Password Generator
Strong random passwords
id
Generators
UUID Generator
Random UUID v4 / GUID, in bulk
#
Generators
Hash Generator
MD5, SHA-1, SHA-256, SHA-512
▣
Generators
QR Code Generator
URL or text to downloadable QR
&
Encoders
HTML Entity Encoder
Encode & decode HTML entities
0b
Converters
Number Base Converter
Binary, octal, decimal, hex
⇄
Converters
JSON ↔ CSV Converter
Convert JSON to CSV and back
↳
Text
Slug Generator
Turn any title into a clean URL slug
≡
Text
Remove Duplicate Lines & Sort Text
Dedupe, sort, trim & clean lines
◑
Converters
Color Converter
HEX, RGB & HSL — pick and convert
\
Encoders
String Escaper / Unescaper
Escape & unescape text strings
⚄
Generators
Random Number Generator
Random integers in any range
⧉
PDF
Merge PDF
Combine PDFs — private, no upload
✂
PDF
Split PDF
Extract pages or split into files
🖼
PDF
JPG to PDF
Images to PDF, each as a page
↻
PDF
Rotate PDF
Rotate all pages 90/180°

All tools are 100% client-side. No data is sent to any server.