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errorbudget tools

Spend the error budget wisely.

Fast, offline-capable utility tools for infrastructure engineers.

▰▰▰▰▰▰▰▱▱▱ Pro tip

Install as a PWA: tap your browser's "Add to home screen" — works offline, opens like a native app.

All tools
99.9%
Error budget
SLO to allowed downtime
/24
Subnet calc
CIDR, IPv4 + IPv6
[ESA]
vSAN capacity
RAID, FTT, slack
$/GPU
NVAIE licensing
NVIDIA AI Enterprise cost
{ }
JWT decoder
Inspect tokens
64
Base64
Encode + decode
[ ]
JSON format
Validate + pretty
Timestamp
Epoch + ISO 8601
#
Hash generator
SHA-256, SHA-1, MD5
200
HTTP codes
Status reference
:22
Ports reference
Common TCP/UDP

Built by errorbudget.io · Open source coming soon.

Install errorbudget tools

Add to your home screen — works offline, opens like a native app.

Why install
  • ✓ Works completely offline
  • ✓ Opens instantly from home screen
  • ✓ No ads, no tracking, no signup
  • ✓ Free forever
1
Open this page in Safari (other browsers won't work for install on iOS).
2
Tap the Share button at the bottom of Safari (square with arrow up).
3
Scroll down and tap "Add to Home Screen".
4
Tap "Add" in the top right. The app icon appears on your home screen.
1
Open this page in Chrome or Edge.
2
Tap the menu button () at the top right.
3
Tap "Install app" or "Add to Home screen".
4
Confirm by tapping Install. App appears in app drawer + home screen.
1
Use Chrome, Edge, or Brave browser.
2
Look for the install icon (⊕) on the right side of the address bar.
3
Click it, then click "Install".
4
App opens in its own window. Pin to taskbar/dock for quick access.