Online PDF Invoice Generator
Generate, customize, and print elegant PDF invoices with itemized taxes and discounts.
Open Tool →
Business Hub · 100% In-Browser Privacy
Business & Freelance Tools Hub
Generate clean invoices, compute retail margins and VAT, calibrate freelance billable rates, and evaluate advertising ROAS without uploading proprietary pricing or customer lists to third-party databases. Every calculation runs locally in your device memory.
Tools Grouped by User Purpose & Intent
Showing all tools in this category (19)
1. Invoicing, VAT, Pricing Margins & Payment Fees
Generate printable PDF invoices, extract or add VAT/sales tax, calculate gross profit margins vs. markups, compute discounts, factor merchant payment processing fees, and determine break-even volume.
VAT & Sales Tax Calculator
Add or exclude Value Added Tax and sales tax from gross or net amounts.
Open Tool →
Profit Margin & Markup Calculator
Calculate gross profit margin, markup percentage, and optimal selling prices.
Open Tool →
Discount & Sale Price Calculator
Calculate final discounted prices, total savings, and applicable sales tax.
Open Tool →
Payment Gateway Fee & Net Payout Calculator
Compare transaction fees and net payouts across Stripe, PayPal, and Square.
Open Tool →
Break-Even Point Calculator
Determine unit sales volume and revenue needed to cover total business costs.
Open Tool →
2. Freelance Economics, Compensation & Hiring
Calculate baseline freelance hourly rates, audit true take-home compensation after unpaid commutes, calculate working business days, simulate salary negotiations, estimate severance payouts, and test resume ATS compatibility.
Freelance Hourly Rate Calculator
Determine optimal billable hourly rates based on target income and overhead.
Open Tool →
Freelance Project True Hourly Rate & Profitability
Calculate true take-home hourly rate from project quotes factoring in revisions, meetings, expenses, and taxes.
Open Tool →
Business Days & Working Day Calculator
Calculate exact working days between dates excluding weekend days (Saturdays and Sundays).
Open Tool →
Salary Negotiation Counter-Offer Calculator
Calculate net compensation increases and optimal counter-offer targets.
Open Tool →
Severance Pay & Notice Period Calculator
Estimate severance compensation and health benefit runway following layoff.
Open Tool →
Resume ATS Keyword & Formatting Scanner
Scan your resume against target job descriptions to identify missing keywords for ATS screening.
Open Tool →
3. Digital Advertising, Campaign ROI & E-commerce
Track Return on Ad Spend (ROAS), calculate CPM impressions and ad revenue potential, build clean campaign UTM tracking tags, and forecast Amazon FBA fulfillment fees.
ROAS & Customer Acquisition Cost Calculator
Measure Return on Ad Spend and evaluate digital marketing profitability.
Open Tool →
CPM & Media Planning Ad Spend Calculator
Calculate advertising campaign budgets, impressions, clicks, CPC, and CPA from CPM benchmarks.
Open Tool →
Website Ad Revenue & RPM Forecaster
Estimate monthly ad earnings from website pageviews and niche RPM benchmarks.
Open Tool →
UTM Campaign URL Builder
Build standardized tracking links with source, medium, campaign, and content tags.
Open Tool →
Amazon FBA Profit & Fee Calculator
Calculate referral fees, FBA fulfillment costs, and net e-commerce margins.
Open Tool →
4. SaaS Unit Economics & Global Team Coordination
Calculate SaaS MRR/ARR, customer lifetime value (LTV), customer acquisition cost (CAC), and churn rates, or find optimal overlapping working hours for distributed teams.
SaaS MRR, ARR & Churn Growth Forecaster
Model monthly recurring revenue growth, customer churn rate, and net expansion.
Open Tool →
International Meeting & Timezone Planner
Find ideal cross-timezone meeting windows across multiple global cities and teams.
Open Tool →
Quick Selection Guide: Which Tool Do You Need?
Draft, customize, and print client invoices with tax items and terms
Zero-watermark downloadable PDF invoices with custom currency.
Invoice Generator →Calculate gross profit margin and markup on wholesale goods
Instant formula switching between cost markup and revenue margin.
Margin Calculator →Extract or add VAT/sales tax to transaction totals
Precise multi-rate tax calculations with reverse tax extraction.
VAT Calculator →Determine what hourly rate to charge clients to meet your income target
Factors non-billable hours, business overhead, and tax obligations.
Freelance Rate Calculator →Audit true wage per hour after accounting for unpaid commute and vehicle costs
Reveals actual take-home rate per hour spent on work-related tasks.
True Hourly Wage →Measure if Facebook or Google advertising campaigns are profitable
Calculates Return on Ad Spend and break-even customer acquisition costs.
ROAS Calculator →Model SaaS recurring revenue, churn rate, LTV, and CAC payback
Standard unit economics dashboard for subscription business models.
SaaS Metrics Calculator →Find overlapping working hours and schedule meetings across different time zones
Visual planner to quickly compare working hours across global cities and teams.
International Meeting Planner →Real Technical Limitations & Browser Constraints
Tax Exemption & Reverse Charge Rules
VAT calculations apply standard flat percentages. Cross-border B2B transactions often fall under reverse charge mechanisms requiring dedicated accountant review.
Platform Attribution Variance in ROAS
Ad spend analysis tools rely on entered conversion values. Multi-touch attribution, view-through windows, and Apple ATT opt-outs cause discrepancies with raw ad platform reports.
Contractual and Legal Exclusions
Severance formulas and salary negotiation benchmarks provide mathematical estimates based on statutory statutory baselines, not binding labor law arbitration.
Explore Other Category Hubs
View all categories →
15 tools
PDF & Document Tools Hub
Free client-side PDF tools to merge, split, compress, protect, and organize documents directly in your browser. Complete selection guide, technical limits and workflows.
30 tools
Image & Graphic Design Tools Hub
Client-side image tools to compress, resize, crop, convert, and optimize images privately in your browser. Format guides, technical limits, and workflows.
28 tools
Audio & Video Tools Hub
Free in-browser audio and video tools: convert video to MP3, trim sound files, cut clips, screen record, remove silence, and edit ID3 tags without server uploads.
10 tools
Text Tools & String Utilities Hub
Free client-side text tools: count words, convert letter case, clean duplicate lines, compare text diffs, format markdown, and convert HTML entities without server logging.
33 tools
Developer Tools & Code Utilities Hub
Fast, client-side developer utilities: JSON formatter, Base64, SQL, RegEx, JWT, Diff, Cron, and crypto tools. Zero server transmission.
22 tools
Finance & Investment Calculators Hub
Free client-side financial calculators: plan loan repayments, mortgage amortization schedules, compound interest growth, FIRE retirement, inflation adjustments, and currency conversions.
12 tools
Health & Daily Living Tools Hub
Free client-side wellness and daily living tools: calculate BMR, TDEE energy needs, body fat percentage, 90-minute REM sleep cycles, water intake, and fasting schedules privately.
11 tools
Units, Date & Time Calculators Hub
Free client-side measurement and time tools: convert metric and imperial units, calculate date spans, track Schengen 90/180 visa days, compare international clothing sizes, and view world timezones.
8 tools
QR & Generator Tools Hub
Free client-side generators: create custom QR codes, generate secure passwords, batch UUID v4, cryptographic hashes, RSA key pairs, and offline OCR recognition.