35 tools, 66 API functions
Developer utilities you shouldn't hand-roll
50+ developer tools via REST API and MCP. JSON formatting, regex testing, UUID generation, hashing, encoding, minification. Deterministic results for CI/CD and automation.
What you get
UUID generation (v1/v4/v5/v7), HMAC, bcrypt, SHA hashing
JSON/YAML/CSV conversion and validation
CSS and JS minification
Base64, URL, HTML entity encoding
IP subnet calculation, chmod, cron expression parsing
Try it now
Copy any example. No signup needed for the first 50 calls/day.
cURL - Generate UUIDs
curl -X POST https://toolknife.com/api/v1/tools/uuid-generator_generate-v7 \
-H "Content-Type: application/json" \
-d '{"count": 5}'
# Response:
# { "uuids": ["019...abc", "019...def", ...], "version": 7 }Python - Hash and verify
import requests
BASE = "https://toolknife.com/api/v1/tools"
# Generate bcrypt hash
bcrypt_hash = requests.post(f"{BASE}/bcrypt-generator_hash", json={
"text": "my-secret-password",
"rounds": 12,
}).json()["result"]["hash"]
# Generate HMAC signature
hmac = requests.post(f"{BASE}/hmac-generator_generate", json={
"text": "request-body-to-sign",
"key": "api-secret",
"algorithm": "SHA-256",
}).json()["result"]["hmac"]
print(f"Bcrypt: {bcrypt_hash}")
print(f"HMAC: {hmac}")JavaScript - JSON formatting and validation
const res = await fetch(
"https://toolknife.com/api/v1/tools/json-formatter_format",
{
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
input: '{"name":"John","age":30,"cities":["NYC","LA"]}',
indent: 2,
}),
}
);
const { result } = await res.json();
console.log(result.formatted);Who uses this
SaaS companies, coding assistants, DevOps teams
AI coding assistants
Give your coding agent deterministic UUID generation, hashing, and encoding instead of hallucinated outputs.
CI/CD pipelines
Automate JSON validation, code minification, and secret hashing in your build process.
SaaS platforms
Add regex testing, subnet calculation, and data conversion to your developer dashboard.
Featured tools
Pricing
Same API, same MCP. Pick the limit that fits.
Free
$0 forever
- 50 calls/day (no signup)
- 200 calls/day (free account)
- All 35+ tools in this vertical
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