Tool
IP CALC
DNS LOOKUP
SUBNET MASK
MAC LOOKUP
IP REPUTATION
WHOIS
External links:
⚠️ Privacy Note: This tool makes an external request to public RDAP registries (rdap.org) to fetch domain data. Do not query sensitive internal hostnames.
BASE64
URL ENCODE
HASH
JWT DECODE
JSON
YAML/JSON
COLOR
PASSWORD
SSH KEYS
HTTP STATUS
CERT DECODER
Private Key (KEEP SECRET!):
Public Key:
Paste a PEM-encoded certificate. Everything is parsed locally — nothing leaves the browser.
REGEX
DIFF
CURL BUILDER
HEADERS
Recognizes ~30 common security, caching, and CORS headers and inlines a 1-line explanation for each.
TIMESTAMP
CRON
CONFIG GEN
COMMANDS
ERROR CODES
CHMOD
▾ Crontab file editor
VIEW:
0 jobs · 0 env vars · 0 lines
Empty file. Paste a crontab or use ADD NEW JOB below to generate one.
Click a job's
→ to jump to its line in the file.
Add new job (appends to file)
FORMAT:
▸ Environment block (the "works in shell, fails in cron" fix)
Only inserted if the current file has NO env block. cron runs with a near-empty environment by default; setting
PATH explicitly is the fix for "command not found" inside cron.
OUTPUT:
Appends a new job block to the file above
USER
GROUP
OTHER
chmod 644 <file>
ALL SCRIPTS
SYSTEM
DOCKER
NETWORK
FILES
SECURITY
PYTHON SANDBOX
sandbox.py (Runs securely in your browser)
Terminal Output
QR CODE
ASCII BANNER
IMG COLOR
CASE CONVERT
BARCODE
EXIF
UUID
Click any pixel on the image to sample its color. All processing is local — your image never leaves the browser.
Load an image and click a pixel…
JPEG only (PNG/WebP don't carry EXIF). Everything stays local — nothing uploaded.
Load a JPEG to inspect its metadata…
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