Lightweight, private, and built to work. No accounts, no tracking, no data leaves your browser.

ZPL Label Designer

Dev Tools

Visual drag-and-drop label builder for Zebra printers. Add text, barcodes, QR codes, and shapes. Live ZPL code generation with import/export.

Vanilla JS Canvas API
Open tool →

Encode & Hash

Dev Tools

Base64 encode/decode, URL encoding, and hash generation (MD5, SHA-1, SHA-256, SHA-512) in one tool. Supports text and file input.

Vanilla JS Web Crypto API
Open tool →

Favicon Generator

Dev Tools

Generate all favicon sizes from one image. Creates ICO, PNG, Apple Touch Icon, Android Chrome icons, and PWA manifest. Downloads as ZIP.

Vanilla JS JSZip
Open tool →

QR Code Generator

Dev Tools

Privacy-first QR code creation. Generates codes locally—no data sent to servers. Supports URLs, text, and contact cards.

Vanilla JS QRCode.js
Open tool →
🔒 Private

Browser Fingerprint Viewer

Dev Tools

See what websites can learn about your browser without cookies. Displays canvas fingerprint, WebGL info, and other tracking vectors.

Vanilla JS Canvas API
Open tool →

Pallet Load Calculator

Data & Ops

Visual palletization planning with 3D preview. Calculate optimal box stacking, cube utilization, and weight limits. Supports multiple pallet sizes.

Three.js 3D Visualization PDF Export
Open tool →

EDI Document Viewer

Data & Ops

Parse and understand X12 EDI documents instantly. Supports 850 (PO), 856 (ASN), 810 (Invoice), 820 (Payment), and 997 (Acknowledgment).

Vanilla JS 5 Doc Types
Open tool →

WMS Cheat Sheet

Data & Ops

Searchable reference for Oracle WMS Cloud IHT codes, Manhattan WMS transactions, and common warehouse terminology. Know what every code means.

Vanilla JS 45+ Entries
Open tool →

Barcode Validator

Data & Ops

Validates UPC-A, UPC-E, EAN-13, and EAN-8 barcodes with check digit verification. Catches scanning errors before they cause problems.

Vanilla JS Zero Dependencies
Open tool →

Labor Cost per Unit Calculator

Data & Ops

Break down labor costs by operation. Calculate cost per unit across receiving, picking, packing, and shipping. Compare periods and export reports.

Vanilla JS Comparison Mode
Open tool →

FinanceSmart Calculator Suite

Utilities

Collection of financial calculators: compound interest, loan amortization, savings goals, and debt payoff planning.

Vanilla JS 4-in-1 Suite
Open tool →

Smart Tip Calculator

Utilities

Itemized bill splitting with alcohol adjustments, service quality sliders, and Venmo/Cash App payment link generator. Works offline.

Vanilla JS PWA-Ready
Open tool →

Time Zone Overlap Finder

Utilities

Find overlapping work hours across time zones. Useful for scheduling meetings with distributed teams.

Vanilla JS Dynamic UI
Open tool →
🔒 Private

Pseudonym Generator

Utilities

Creates consistent fake identities for testing or privacy. Generates names, addresses, and other persona details locally.

Vanilla JS Seeded RNG
Open tool →

Random Number Generator

Utilities

Generate random numbers, pick from lists, and run tournament brackets. Great for QA sampling, team assignments, raffles, and breaking ties.

Vanilla JS LocalStorage
Open tool →