UD5 Toolkit
Freelancer Portfolio Page Generator – Online Simple One‑Pager
Fill in bio, skills, projects to generate a clean HTML portfolio page. Copy the code. Local builder.
Small Business & Freelancer Tools
8+ toolsSalary Negotiation Anchor Calculator – Online First Offer Strategy
Based on your target salary, calculates a high anchor number to improve negotiation outcome. Psychological tactic.
Shipping Box Size Optimizer - Online Fit Items into Carton
Enter item dimensions and find the smallest rectangular box that can fit them (simple packing heuristic). Helps reduce shipping costs. Local algorithm.
Free Invoice Template Filler - Online Create & Print PDF
Fill a professional invoice template with your details, items, and totals. Instantly preview and download as PDF or print. No signup, local only.
HTML Email Signature Builder - Online Professional Footer Creator
Create a polished HTML email signature with your photo, links, and company details. Live preview and copy HTML to clipboard. Works with Gmail, Outlook, Apple Mail.
A/B Test Significance Calculator - Online Simple Stats Tool
Check if your A/B test results are statistically significant using chi-squared test. Enter visitors & conversions for control/variant. Results in plain English.
Freelance Rate Calculator - Online Hourly vs Project Pricing
Calculate your ideal hourly rate based on target annual income, expenses, holidays, and non-billable time. Compare with project-based pricing. Local only.
One‑Page Resume Builder - Online Simple CV Generator
Fill in a form to generate a clean, ATS‑friendly one‑page resume. Customize sections, colors, and export as print‑ready PDF. Personal data stays in your browser.