131 Free Business Tools
Professional-grade calculators, generators and converters — 100% free, no signup required.
Invoice Generator
Create professional invoices in seconds
Invoice Template
Customizable invoice templates for any business
Receipt Generator
Generate receipts for your transactions
Break-Even Calculator
Find your break-even point instantly
ROI Calculator
Calculate return on investment for any project
Margin Calculator
Calculate profit margins and markups
Compound Interest Calculator
See how your money grows over time
Loan Calculator
Calculate loan payments and amortization
Depreciation Calculator
Calculate asset depreciation schedules
VAT Calculator
Add or remove VAT from any amount
IRPEF Tax Calculator
Calculate Italian income tax (IRPEF)
Tax ID Calculator
Calculate and validate tax identification numbers
Net Salary Calculator
Calculate your take-home pay after taxes
Payroll Calculator
Calculate payroll for your employees
Employee Cost Calculator
Calculate total cost of hiring an employee
Commission Calculator
Calculate sales commissions instantly
Discount Calculator
Calculate discounts and sale prices
Percentage Calculator
Calculate percentages, increases and decreases
Tip Calculator
Calculate tips and split bills easily
Retirement Calculator
Plan your retirement savings goal
Project Budget Planner
Plan and track your project budget
SWOT Analysis
Create structured SWOT analyses
Business Card Generator
Design and download business cards
Salary Comparison
Compare salaries across locations
Meeting Cost Calculator
Calculate the real cost of meetings
Hours Calculator
Track work hours and calculate totals
BMI Calculator
Calculate your Body Mass Index
BMI for Children
Age-adjusted BMI calculator for children
Food Cost Calculator
Calculate food costs and pricing for restaurants
Restaurant Menu Cost
Calculate costs for your restaurant menu items
Hotel Rate Calculator
Optimize hotel room pricing
Car Service Cost Calculator
Estimate auto repair and service costs
Salon Price List Generator
Create professional salon price lists
Appointment Scheduler
Schedule and organize appointments
Client Onboarding Checklist
Create onboarding checklists for new clients
Patient Intake Form
Generate patient intake forms
AI Bio Generator
Generate professional bios for LinkedIn & Instagram
AI Business Plan Generator
Generate a business plan outline with AI
AI Text Rewriter
Rewrite text in different tones and styles
AI Slogan Generator
Generate catchy slogans for your brand
AI Text Summarizer
Summarize long texts into key points
Article Outline Generator
Create structured article outlines
Business Name Generator
Generate unique business name ideas
Headline Analyzer
Analyze and score your headlines
Grammar Checker
Check grammar and spelling in your text
Paraphrase Tool
Rephrase text while keeping the meaning
Readability Score
Score your text readability (Flesch-Kincaid)
Text Counter
Count characters, words, sentences and paragraphs
Word Counter
Count words and estimate reading time
Word Frequency Counter
Analyze word frequency in any text
Lorem Ipsum Generator
Generate placeholder text for your designs
Case Converter
Convert text to upper, lower, title case and more
Number to Words
Convert numbers to words in multiple languages
Press Release Generator
Create professional press releases
Testimonial Generator
Create testimonial templates and layouts
JSON Formatter
Format, validate and minify JSON
Base64 Encoder/Decoder
Encode and decode Base64 strings
Regex Tester
Test and debug regular expressions
JWT Decoder
Decode and inspect JWT tokens
SQL Formatter
Format and beautify SQL queries
Cron Expression Builder
Build and validate cron expressions
Text Diff Checker
Compare two texts and see differences
Password Generator
Generate strong, secure passwords
UUID Generator
Generate unique UUIDs (v4)
URL Slug Generator
Convert text to URL-friendly slugs
URL Encoder/Decoder
Encode and decode URLs
HTML Entity Encoder
Encode and decode HTML entities
JS/CSS Minifier
Minify JavaScript and CSS code
Chmod Calculator
Calculate Unix file permissions
HTTP Status Code Reference
Look up HTTP status codes and meanings
DNS Lookup
Look up DNS records for any domain
Random Number Generator
Generate random numbers with custom ranges
Color Picker
Pick and convert colors between formats
Color Converter
Convert between HEX, RGB, HSL and more
Color Palette Generator
Generate harmonious color palettes
Advanced Color Picker
Advanced color picker with multiple modes
Contrast Checker
Check color contrast for WCAG compliance
CSS Gradient Generator
Create beautiful CSS gradients
CSS Shadow Generator
Generate CSS box-shadow and text-shadow
Border Radius Generator
Create custom CSS border-radius values
Flexbox Generator
Visual CSS Flexbox layout builder
Aspect Ratio Calculator
Calculate and convert aspect ratios
Pixel Converter
Convert px to rem, em, pt and more
Screen Resolution Checker
Check your screen resolution and DPI
Image Compressor
Compress images without losing quality
Image Resizer
Resize images to any dimension
Image to Base64
Convert images to Base64 encoded strings
SVG to PNG Converter
Convert SVG files to PNG images
Favicon Generator
Create favicons from text or images
Placeholder Image Generator
Generate placeholder images of any size
QR Code Generator
Generate QR codes for any URL or text
QR Menu Generator
Create QR codes for restaurant menus
Barcode Generator
Generate barcodes in multiple formats
YouTube Thumbnail Downloader
Download thumbnails from any YouTube video
OG Image Preview
Preview Open Graph images for social sharing
Hashtag Generator
Generate trending hashtags for your posts
Social Post Writer
Create engaging social media posts
Social Media Calendar
Plan your social media content calendar
Email Subject Line Generator
Generate high-converting email subject lines
Email Template Builder
Create professional email templates
CTA Generator
Generate compelling calls to action
Meta Description Generator
Generate SEO-optimized meta descriptions
WhatsApp Link Generator
Create WhatsApp click-to-chat links
NDA Generator
Generate non-disclosure agreements
Contract Template
Generate customizable contract templates
Terms & Conditions Generator
Generate terms and conditions for your website
Privacy Policy Generator
Generate GDPR-compliant privacy policies
GDPR Policy Generator
Generate GDPR compliance documents
PDF Tools
View, merge and manipulate PDF files
File Converter
Convert PDF, DOCX, images, CSV — all in browser
Rent Calculator
Calculate rent prices and affordability
Mortgage Calculator
Calculate monthly mortgage payments
Rental Yield Calculator
Calculate gross and net rental yield
Cleaning Quote Calculator
Generate cleaning service price quotes
Unit Converter
Convert between units of measurement
Currency Converter
Convert currencies with live exchange rates
CSV to JSON Converter
Convert CSV files to JSON format
JSON to CSV Converter
Convert JSON data to CSV format
XML to JSON Converter
Convert XML to JSON format
Markdown Editor & Preview
Write and preview Markdown in real time
HTML to Markdown
Convert HTML code to Markdown
Markdown to HTML
Convert Markdown to clean HTML
Age Calculator
Calculate exact age from date of birth
Age from Birthday
Calculate age and days until next birthday
Days Between Dates
Calculate the number of days between two dates
Date Calculator
Add or subtract days from any date
Countdown Timer
Set countdown timers for any event
Stopwatch
Precise online stopwatch with laps
Pomodoro Timer
Boost productivity with Pomodoro technique
World Time Zone Clock
View current time across time zones
Timezone Converter
Convert times between time zones
Want an AI agent that works 24/7 on WhatsApp? Try SOLO SARA at just €9.90/month
Discover SOLO SARAWhy Use S.C.A.L.A. Free Tools?
S.C.A.L.A. offers 131 professional-grade tools that run entirely in your browser — no signup, no data collection, no server uploads. Every calculation, conversion, and generation happens client-side for maximum privacy and speed.
Business & Finance Tools
From invoice generators and margin calculators to food cost analysis and hotel rate optimization — our business tools are built for real-world SMB operations across 19 industry verticals including restaurants, salons, hotels, cleaning companies, and real estate agencies.
AI-Powered Writing Tools
Generate business plans, professional bios, press releases, and SEO-optimized content with our AI writing suite. Rewrite, summarize, and paraphrase text in multiple tones. All powered by advanced language models.
Developer & Design Tools
JSON formatters, regex testers, CSS generators, color pickers, image compressors — everything a developer or designer needs for daily work, without leaving the browser.
FAQ
Are these tools really free?
Yes, all 131 tools are 100% free with no registration required. They are part of the S.C.A.L.A. AI OS ecosystem — our way of providing immediate value to small businesses worldwide.
Is my data safe?
Absolutely. All tools run entirely in your browser using client-side JavaScript. No data is ever sent to our servers. Your inputs stay on your device.
Can I use these tools for my business?
Yes. All tools are free for personal and commercial use. Generate invoices, contracts, NDAs, privacy policies, and more — ready for professional use.
What makes these different from other online tools?
Three things: privacy (100% client-side), quality (professional-grade with multi-language support in 6 languages), and breadth (131 tools covering business, AI, development, design, marketing, legal, and real estate).
Ces outils sont gratuits pour toujours. SARA va plus loin.
SARA est votre agent IA sur WhatsApp : répond aux clients, prend les réservations, fait le suivi — 24/7, automatiquement. Essayez gratuitement 14 jours.
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