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Swiss Army Dev
Tools
37
/
Format & Validate
Format & Validate
JSON
Format & validate
Schema
JSON Schema gen
SQL
SQL formatter
RegEx
Pattern tester
Markdown
Markdown preview
HTML
HTML preview
Convert
Encode
Base64, URL, HTML, Hex
YAML
JSON ↔ YAML
CSV
CSV ↔ JSON
TOML
TOML converter
Case
Case converter
Base
Number bases
Color
Color converter
Generate
UUID
Generate IDs
Password
Password gen
Lorem
Placeholder text
QR
QR codes
Image
Placeholder img
Paste
Encrypted paste
Crypto & Auth
Hash
SHA-256, SHA-512
JWT
Token decoder
Escape
String escaper
Chmod
Permissions calc
Text
Diff
Text diff
Count
Word counter
URL
URL parser
AI Detect
AI content detector
Network & Time
IP
Your IP & headers
DNS
DNS lookup
Whois
Domain lookup
SSL
Cert checker
Headers
HTTP headers
HTTP
Status codes
CIDR
Subnet calc
UA
User-Agent parser
Time
Unix ↔ human
Cron
Standard + Spring
HTML Preview
Paste HTML and see it rendered in a sandboxed preview. Safe — no scripts execute.
HTML
Preview
Preview