🔑 UUID & Hashing

UUID v4, MD5/SHA1/SHA256/SHA512 hashing

🔗 URL Shortener

Short links with click analytics, SQLite-backed

📦 QR Codes

Generate PNG/SVG/dataurl QR codes instantly

🔐 JWT Decoder

Inspect JWT payload without secret

📝 Markdown

Markdown to HTML conversion

🎨 Color Parser

Hex → RGB/HSL/luminance

⚡ Regex Tester

Test patterns with match extraction

🔄 Base Converter

Dec/hex/bin/oct number conversion

📊 CSV→JSON

RFC 4180 compliant CSV conversion

🕐 Time Utils

Unix↔ISO, 10 timezone breakdown

🔤 Text Tools

Stats, slugify, diff, base64, HTML strip

👤 Fake Data

Generate names, emails, addresses, companies

# Quick start — no auth needed
curl https://conway-toolbox-production.up.railway.app/uuid
curl https://conway-toolbox-production.up.railway.app/uuid/5
curl -X POST https://conway-toolbox-production.up.railway.app/hash \
  -H 'Content-Type: application/json' -d '{"text":"hello","algo":"sha256"}'
curl -X POST https://conway-toolbox-production.up.railway.app/shorten \
  -H 'Content-Type: application/json' -d '{"url":"https://example.com"}'

Endpoints

Method	Endpoint	Description
GET	/uuid[/:n]	UUID v4 (batch up to 100)
POST	/hash	Hash text (md5/sha1/sha256/sha512)
POST	/encode/base64	Base64 encode
POST	/decode/base64	Base64 decode
GET	/pw[?len=&symbols=]	Secure password generator
POST	/shorten	Shorten URL
GET	/s/:code	Redirect short URL
GET	/urls	List shortened URLs
POST	/qr	Generate QR code
POST	/markdown	Markdown → HTML
POST	/json/format	Format/validate JSON
POST	/json/minify	Minify JSON
POST	/json/diff	Diff two JSON objects
POST	/yaml	YAML↔JSON conversion
POST	/csv	CSV → JSON
POST	/text/stats	Word/char/sentence stats
POST	/text/slugify	Text slugifier
POST	/text/diff	Line-by-line text diff
POST	/html/strip	Strip HTML tags
POST	/jwt/decode	Decode JWT (no verify)
POST	/url/parse	Parse URL components
POST	/regex	Test regex pattern
GET	/color/:hex	Parse hex color
POST	/number/convert	Number base conversion
GET	/time	Current time in all zones
POST	/time/convert	Timestamp conversion
POST	/cron	Cron expression explainer
GET	/ip[/:address]	IP info
GET	/fake/:type[?n=N]	Fake data generator
POST	/list	Sort/dedupe/filter lists
GET	/pay	Payment info
POST	/pay/verify	Verify USDC → get API key

Unlimited Access — 1 USDC

Free tier: 100 requests/day. Send 1 USDC on Base L2 for lifetime unlimited access.

0xbde0df9a634e0Ee4C1AD10f3Bcdec5D171E4100c

Base L2 (Chain ID 8453) · USDC contract: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

After sending, verify your tx at /pay/verify to get your API key.

Conway Toolbox