Sitemap
Every page on Studio Tools, linked directly below. Everything runs in your browser and requires no account.
Tools by category
Business & Admin
- VAT Calculator
- Margin & Markup Calculator
- IBAN Validator
- SEPA QR Generator (GiroCode)
- Salary Calculator (Gross to Net)
- Loan Calculator
- Pension Calculator (German statutory pension)
- Hourly Rate Calculator
- Home Buying Ancillary Costs Calculator
- Document Retention Periods
- Late Payment Interest Calculator
- Retirement Gap Calculator
- Payment Reminder / Dunning Generator
- Termination Notice Generator
- Trade Work Acceptance Protocol
- Timesheet / Hours Log
- Company Property Handover Protocol
- Social Media Snippets
- Employment Contract Generator
- Commuter Allowance Calculator
- Cash Discount Calculator
- Holiday Entitlement Calculator
- Notice Period Calculator (Employment)
- Compound Interest Calculator
- Business Card Designer
- vCard Generator
Web & Development
- URL Encoder / Decoder
- JSON Formatter
- Base64 Encoder / Decoder
- Hash Generator
- UUID Generator
- Regex Tester
- CPU Benchmark
- Markdown to HTML
- JSON to CSV Converter
- JSON to YAML Converter
- XML to JSON Converter
- HTML Entities Encoder/Decoder
- HTML Minifier
- Slug Generator
- Timestamp Converter
- Display Size Calculator
- PX to REM Converter
- Media Query Generator
- Responsive Viewport Tool
- CSS Minifier
- CSS Formatter
- jQuery to Vanilla JS
- SQL Formatter
- JWT Decoder & Inspector
- CSS Validator
- HTML Source Cleaner
- HTML to Markdown
- HTML Pretty Printer
- JS Minifier
- CSS Selector Generator
- File Size Converter
- Website Auditor
- Keyboard Tester
- Refresh Rate Test
- Gamepad Tester
- Cron Generator
- Meta Tags Generator
- Robots.txt Generator
Energy & Environment
- Solar Yield Calculator
- Solar Payback & ROI Calculator
- Solar Maintenance & Repair Cost Estimator
- Balcony Solar (Plug-in PV) Calculator
- Home Battery Storage Calculator
- Feed-in Tariff Calculator
- Solar Funding Overview
- Electricity Cost Calculator
Lifestyle
- Sticky Notes
- Kanban Board
- Tip Calculator
- Coin Flip & Decision Maker
- Dice Roller
- Calorie Calculator
- Washing Symbols Explainer
- Cleaning Plan Generator
- Washing Cost Calculator
- First Apartment Setup Calculator
- Food Storage Guide
- Household Budget Calculator
- Emergency Fund Calculator
- Savings Goal Calculator
- Rent Affordability Check
- Moving Cost Calculator
- Packing List Generator
- Travel Budget Splitter
- Commute Calculator
- Mileage Calculator
- Travel Budget Calculator
- Time Radar
- Pet Cost Calculator
- Aquarium Cost Calculator
- Handover Report
- Household Inventory
- Split Flat-Share Costs
- Insurance Check
- Housing Cost Calculator
- Vehicle Handover Report (private)
- Vehicle Purchase Contract (private)
- Receipt / Cash Receipt
- Private Loan Agreement with Repayment Plan
- Power of Attorney
- Meter Reading Protocol
Numbers & Math
- Random Number Generator
- BMI Calculator
- Mortgage Calculator
- Percentage Calculator
- Unit Converter
- Discount Calculator
- Unit Price Calculator
- Calculator
- Number Base Converter
- Roman Numeral Converter
- Inflation Calculator
Images & Media
- QR Code Generator
- Color Picker & HEX Converter
- Image Compressor
- Image Converter
- Image Filters & Effects
- PDF Tools
- Unzip Online (ZIP Extractor)
- Certificate Creator
- Censor Image
- Gradient Generator
- Barcode Generator
- Contrast Checker (WCAG)
- Image Metadata Inspector
- Video Metadata Inspector
- Video Thumbnail Generator
- Video to GIF
- Video Compressor
- Image Metadata Cleaner
- C2PA Content Credentials Check
- Image Resizer | Resize, crop & rotate
- Favicon Generator
- Image to PDF
- Image to Word
- Placeholder Image Generator
- Timeline Generator
- Company History Generator
- Development Lines Generator
- Org Chart Generator
- Family Tree Generator
- Video Converter
- Remove Noise – Enhance Speech
- A4 Images to PDF
- Remove Word Formatting
- Audio Transcription (Speech to Text)
- Dead Pixel Test
- Webcam Tester
- Microphone Tester
- Audio Recorder – voice recording with gain, gate & compressor
- QR Code Reader: read a QR code from an image
Security & Privacy
- Password Generator
- PIN Generator
- Passphrase Generator
- API Token Generator
- Password Checker
- Password Strengthener
- Password Mnemonic
- WiFi QR Generator
- Remove contact data
Text & Writing
- Token Counter
- Word Counter
- Word Unscrambler
- Case Converter
- Text Reverser
- Morse Code Converter
- Binary to Text Converter
- Lorem Ipsum Generator
- Character Frequency Counter
- Remove Duplicate Lines
- Sort Lines
- Text SEO Analyzer
- Typing Trainer
- Text Diff: Compare two texts
- Line Break Fixer
- Text Font Generator
Time & Date
- Date & Age Calculator
- Work Hours Calculator
- Time Zone Converter
- Business Days Calculator
- Calendar Week Calculator
- Countdown Timer
- Bridge Days Planner
Collection tools
Uuid
Encoding
- Text to ASCII Codes
- Hex to Text / Text to Hex
- URL Parser
- UTF-8 Byte Counter
- Base32 Encode
- ROT13 Cipher
- Caesar Cipher
- Text to NATO Alphabet
- Generate Multiple UUIDs
- Unicode Escape
- ROT47
Math
- Pi Digits
- Fibonacci Sequence
- Prime Numbers
- Prime Check
- Prime Factor Calculator
- GCD and LCM
- Factorial
- Euler Number e Digits
- Simplify Fraction
- Number Base Calculator (Any Base 2-36)
- Percentage Change
- Number to Words
- Exponent Calculator
- Modulo Calculator
- Centimeters to Inches
- Celsius to Kelvin
- Prime Factorization
- Kilometers per Hour to MPH
- Percent of a Number
- Feet to Meters
- Inches to Centimeters
- Liters to Gallons
- Fraction to Decimal
- Square Root
Text
- Remove Accents
- Remove Punctuation
- Sentence Case
- Title Case
- Number Lines
- Word Frequency
- Reverse Text
- Count Characters
- Text to URL Slug
- Palindrome Check
- Longest Word
- Alternating Case
- Pig Latin
- Reverse Word Order
- Remove Extra Spaces
- Acronym Generator
- Vowel Counter
- Maskify Text
- Remove Duplicate Words
- Sort Letters
- Remove Empty Lines
- Leetspeak
Random
- Random Picker
- Random String
- Random Hex
- Random MAC Address
- Random IPv4 Address
- Shuffle List
- Lottery Numbers
- Split into Teams
- Random Date
Csv
Hash
Time
- Find Weekday
- Leap Year Check
- Day of Year
- ISO Week Number
- Days Until Date
- Age Calculator
- Seconds to H:MM:SS
- Days in Month
Units
- Kilometers to Miles
- Miles to Kilometers
- Celsius to Fahrenheit
- Fahrenheit to Celsius
- Kilograms to Pounds
- Human-Readable File Size
Playbooks & Workflows
- Make Your Password Safer
- Publish Content & SEO
- Run the Numbers on Your PV System
- Optimize Images for the Web
- Plan from Salary to Pension
- Run the Numbers on Buying a Home
- Prepare Your Website for Launch
- Freelancer: Quote to Invoice
- Calculate BMI & Calorie Needs
- Create a Brand Kit
- Check & Pay an Incoming Invoice
- Debug JWT & API Auth
- Make Your Website Faster
- Anonymize & Share a Screenshot Safely
- Clean Up CSV & JSON Data
- Prepare an Event
- Employed or Self-employed?
- Plan Your First Own Flat
- Prepare a Presentation
- Print-Ready and Verified QR Code
- Craft Photos as a PDF Report
- End the Tenancy and Move Out
- Private Loan Between Relatives