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Browse all free online tools available on SEOToolWiz: SEO, text, image, calculator, and developer utilities. No login, no install.

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All 248 free online tools available on SEOToolWiz, grouped by category.

Calculators (84)

• A/B Test Significance Calculator
• Severance Pay Calculator
• Age Calculator
• Amazon FBA Fee Calculator
• Arbeitslosengeld Rechner
• Army Body Fat Calculator
• Average Calculator
• Binary Calculator
• BMI Calculator
• Body Fat Calculator
• Break-Even Calculator
• Brutto-Netto-Rechner (Germany)
• Buergergeld Rechner
• Burn Rate & Runway Calculator
• CAC Calculator
• Calorie Calculator
• Churn Rate Calculator
• Compound Interest Calculator
• Conversion Rate Calculator
• CPM Calculator
• Currency Converter
• Date Difference Calculator
• Depreciation Calculator
• Discount Calculator
• Rule of Three Calculator
• Pregnancy Due Date Calculator
• eBay Fee Calculator
• German Income Tax Calculator
• Elterngeld-Rechner (Germany)
• Etf Sparplan Rechner
• Fuel Cost Calculator
• Gold Price Calculator
• GPA Calculator
• Gross Margin Calculator
• Heart Rate Zones Calculator
• Hex Calculator
• Hourly to Salary Calculator
• Hours Calculator
• Iban Rechner
• Interest Calculator
• IRR Calculator
• KFZ-Steuer-Rechner (Germany)
• Kindergeld-Auszahlungstermine 2025
• Loan Calculator
• Loan Emi Calculator
• Customer Lifetime Value (LTV) Calculator
• Markup & Margin Calculator
• Meeting Cost Calculator
• Mortgage Calculator
• MRR & ARR Calculator
• Mehrwertsteuer Rechner
• NPV Calculator
• Overtime Pay Calculator
• Running Pace Calculator
• Payback Period Calculator
• PayPal Fee Calculator
• Percentage Calculator
• Profit Margin Calculator
• Discount Calculator
• Yield / Return Calculator
• ROAS Calculator
• ROI Calculator
• Roman Numeral Converter
• Roth Ira Calculator
• Rvg Rechner
• Sales Tax Calculator
• Sample Size Calculator
• Scientific Calculator
• Cash Discount (Skonto) Calculator
• Sleep Cycle Calculator
• Savings Plan Calculator
• Statistics Calculator
• Hourly Wage Calculator
• TDEE Calculator (Daily Calories)
• Tip Calculator
• Tvoed Rechner
• German VAT Calculator
• Unit Converter
• Vacation Entitlement Calculator
• VAT / MwSt. Calculator
• VO₂ Max Calculator
• Water Intake Calculator
• Working Days Calculator
• Compound Interest Calculator

Developer Tools (49)

• ASCII to Text
• Base64 Decoder
• Base64 Encoder
• CSS Border-Radius Generator
• CSS Box-Shadow Generator
• Color Contrast Checker (WCAG)
• Color Converter (HEX/RGB/HSL/CMYK)
• Color Palette Generator
• Color Picker
• Cron Job Generator
• Css Formatter
• CSS Minifier
• Csv To Json
• DNS Lookup
• CSS Gradient Generator
• Hex to RGB
• Html Entity Decoder
• Html Entity Encoder
• HTML Minifier
• HTML Table Generator
• HTML to Markdown
• IP Address Lookup
• Javascript Formatter
• JavaScript Minifier
• JSON Diff Tool
• JSON Formatter
• Json To Csv
• JSON to YAML
• JWT Decoder
• Markdown to HTML
• MD5 Hash Generator
• Morse Code Translator
• Regex Tester
• RGB to Hex
• Screen Resolution Checker
• Seasonal Color Palettes
• SHA-256 Hash Generator
• Slugify (URL-Safe Text)
• SQL Formatter
• Text Diff Tool
• Text to ASCII
• Unix Timestamp Converter
• URL Decoder
• URL Encoder
• What is my Browser
• What Is My Ip
• WHOIS Lookup
• XML Formatter
• YAML to JSON

Image Tools (30)

• AVIF to JPG
• Barcode Generator
• Base64 to Image
• Compress JPEG
• Compress PNG
• Crop Image
• Favicon Generator
• Flip Image
• GIF Maker from Images
• Grayscale Image
• HEIC to JPG
• Heic To Png
• Image Compressor
• Image Resizer
• Image to Base64
• Image to Text (OCR)
• JPG to PNG Converter
• JPG to WebP Converter
• Photo Resizer in KB
• PNG to ICO
• PNG to JPG Converter
• QR Code Generator
• QR Code Reader
• Rotate Image
• Social Media Image Resizer
• SVG to PNG
• Add Watermark to Image
• WebP to JPG Converter
• Webp To Png
• WiFi QR Code Generator

Other Tools (29)

• BPM Tap Tempo
• Coin Flip
• Countdown Timer
• Credit Card Generator
• Credit Card Validator
• Dice Roller
• Email Validator
• Fake Name Generator
• Invoice Generator
• List Randomizer
• Magic 8-Ball
• Mb To Kb Converter
• MP3 Cutter & Audio Trimmer
• Name Picker Wheel
• Number Sorter
• Online Timer
• Password Strength Checker
• Pomodoro Timer
• Random Letter Generator
• Random Number Generator
• Screen Recorder
• Stopwatch
• Random Team Picker
• Tournament Bracket Generator
• Typing Speed Test
• Url Opener
• Url Shortener
• UUID Generator
• Yes or No Generator

PDF Tools (15)

• Add Page Numbers to PDF
• Add Watermark to PDF
• HTML to PDF Converter
• JPG to PDF
• Merge PDF
• PDF Metadata Editor
• PDF Page Remover
• PDF to JPG
• PDF to PNG
• PDF to Text
• PNG to PDF
• Rotate PDF
• Sign PDF Online
• Split PDF
• TIFF to PDF

SEO Tools (5)

• Domain Age Checker
• Google Serp Preview
• Schema.org JSON-LD Generator
• Keyword Density Checker
• UTM Link Builder

Social Media Tools (3)

• Hashtag Generator
• Instagram Font Generator
• YouTube Money Calculator

Text Tools (25)

• Binary to Text
• Case Converter
• Character Counter
• Fancy Text Generator
• Find and Replace
• Invisible Character
• Lorem Ipsum Generator
• Number To Words
• Online Notepad
• Online Text Editor
• Password Generator
• Random Word Generator
• Remove Duplicate Lines
• Remove Empty Lines
• Sentence Counter
• Small Caps Generator
• Speech To Text
• Text Repeater
• Text Reverser
• Text to Binary
• Text To Hashtags
• Upside Down Text
• Vowel Counter
• Word Counter
• Words To Number

Writing Tools (8)

• Blog Title Generator
• Cover Letter Generator
• Email Signature Generator
• FAQ Generator
• Headline Generator
• Meta Description Generator
• Readability Checker
• Title Tag Generator