All 379 free online tools
Search or browse every ClickZM tool: PDF and image converters, text and SEO tools, developer formatters, calculators, finance planners, network checks and more. Nothing here asks you to create an account.
Popular tools
PDF Tools
Merge, split, compress, convert, sign and protect PDFs.
- PDF to Word
- Word to PDF
- PDF to JPG
- JPG to PDF
- PDF to PNG
- PNG to PDF
- Merge PDF
- Split PDF
- Compress PDF
- Unlock PDF
- Protect PDF
- Rotate PDF
- Delete PDF Pages
- Extract PDF Pages
- Reorder PDF Pages
- PDF Page Counter
- PDF to Excel
- Excel to PDF
- PDF to PowerPoint
- PowerPoint to PDF
- PDF to Text
- Text to PDF
- PDF Watermark
- Remove PDF Watermark
- PDF Metadata Viewer
- PDF Signature Tool
- Add Page Numbers to PDF
- Crop PDF
- Compare PDF
- Repair PDF
- Compress PDF to 100 KB
- Compress PDF to 200 KB
- Compress PDF to 500 KB
- Compress PDF to 1 MB
Image Tools
Compress, resize, crop, convert and edit images.
- Image Compressor
- Image Resizer
- Image Cropper
- Image to JPG
- JPG to PNG
- PNG to JPG
- JPG to WebP
- WebP to JPG
- PNG to WebP
- WebP to PNG
- Image to Base64
- Base64 to Image
- Image to PDF
- Remove Image Background
- Image Color Picker
- Image Rotator
- Image Flipper
- Image Watermark Tool
- Image Blur Tool
- Image Sharpen Tool
- Image Metadata Viewer
- EXIF Data Remover
- Image DPI Changer
- Passport Photo Maker
- Photo Collage Maker
- Image Upscaler
- Image to Grayscale
- Image Pixelator
- Screenshot Editor
- Image Aspect Ratio Calculator
- Image Converter
- Image to Text (OCR)
- Compress Image to 20 KB
- Compress Image to 50 KB
- Compress Image to 100 KB
- Compress Image to 200 KB
SEO Tools
Meta tags, schema, sitemaps, audits and checkers.
- Meta Tag Generator
- Meta Tag Analyzer
- Meta Description Generator
- Keyword Density Checker
- Word Counter for SEO
- SERP Snippet Preview
- Robots.txt Generator
- XML Sitemap Generator
- Sitemap URL Extractor
- Schema Markup Generator
- FAQ Schema Generator
- Article Schema Generator
- Product Schema Generator
- Open Graph Generator
- Twitter Card Generator
- Canonical URL Checker
- URL Slug Generator
- Redirect Checker
- HTTP Status Code Checker
- Broken Link Checker
- Website Word Counter
- Website Page Size Checker
- Domain Age Checker
- Website Authority Checker
- Hreflang Generator
- Keyword Research Tool
- Website SEO Audit
- PageSpeed Insights Analyzer
- AI Meta Description Generator
Text & Writing Tools
Count, convert, clean, sort and compare text.
- URL Slug Generator
- Word Counter
- Character Counter
- Sentence Counter
- Paragraph Counter
- Reading Time Calculator
- Case Converter
- Uppercase Converter
- Lowercase Converter
- Title Case Converter
- Sentence Case Converter
- Remove Duplicate Lines
- Remove Extra Spaces
- Text Reverser
- Text Sorter
- Text Repeater
- Find and Replace Text
- Text Compare Tool
- Word Frequency Counter
- Lorem Ipsum Generator
- Random Word Generator
- Text to Slug Converter
- Text Cleaner
- Remove Line Breaks
- Alphabetical Order Sorter
- Small Text Generator
- Fancy Text Generator
- Unicode Text Converter
- Upside Down Text Generator
- Morse Code Translator
- NATO Phonetic Alphabet Converter
Developer Tools
Format, validate, convert, encode and hash.
- JSON Formatter
- JSON Validator
- JSON Minifier
- JSON to XML
- JSON to CSV
- CSV to JSON
- XML Formatter
- XML Validator
- HTML Formatter
- HTML Minifier
- CSS Formatter
- CSS Minifier
- JavaScript Minifier
- JavaScript Beautifier
- SQL Formatter
- SQL Minifier
- Regex Tester
- URL Encoder
- URL Decoder
- Base64 Encoder
- Base64 Decoder
- JWT Decoder
- UUID Generator
- GUID Generator
- Hash Generator
- MD5 Generator
- SHA256 Generator
- HTML Entity Encoder
- HTML Entity Decoder
- Markdown Editor
- Markdown to HTML
- HTML to Markdown
- YAML to JSON
- JSON to YAML
- Unix Timestamp Converter
- Cron Expression Generator
- Regex Generator
- Color Code Converter
- CSS Gradient Generator
- CSS Box Shadow Generator
Calculators
Maths, dates, health and everyday calculators.
- Percentage Calculator
- Age Calculator
- BMI Calculator
- Scientific Calculator
- Simple Calculator
- Date Calculator
- Date Difference Calculator
- Time Calculator
- GPA Calculator
- Grade Calculator
- Fraction Calculator
- Average Calculator
- Ratio Calculator
- Square Root Calculator
- Discount Calculator
- Sales Tax Calculator
- Tip Calculator
- Split Bill Calculator
- Fuel Cost Calculator
- Speed Calculator
- Distance Calculator
- Hours Calculator
- Time Duration Calculator
- Pregnancy Due Date Calculator
- Calorie Calculator
- BMR Calculator
- TDEE Calculator
- Body Fat Calculator
- Ideal Weight Calculator
- Water Intake Calculator
Finance & Business Tools
Loans, investments, tax, salary and invoices.
- Sales Tax Calculator
- Loan EMI Calculator
- Mortgage Calculator
- Compound Interest Calculator
- Simple Interest Calculator
- SIP Calculator
- SWP Calculator
- FD Calculator
- RD Calculator
- GST Calculator
- VAT Calculator
- Income Tax Calculator
- Salary Calculator
- Salary to Hourly Calculator
- Hourly to Salary Calculator
- Profit Margin Calculator
- Markup Calculator
- ROI Calculator
- Break-Even Calculator
- Investment Calculator
- Inflation Calculator
- Currency Converter
- Cryptocurrency Converter
- Stock Profit Calculator
- Dividend Calculator
- Retirement Calculator
- Budget Planner
- Invoice Generator
- Quotation Generator
- Receipt Generator
- Business Name Generator
- PPF Calculator
- AI Business Name Generator
AI Tools
Write, rewrite, summarise and translate with AI.
- AI Text Generator
- AI Paragraph Rewriter
- AI Email Writer
- AI Blog Title Generator
- AI Blog Outline Generator
- AI Meta Description Generator
- AI Product Description Generator
- AI Grammar Checker
- AI Text Summarizer
- AI Sentence Rewriter
- AI Essay Writer
- AI Cover Letter Generator
- AI Resume Summary Generator
- AI Business Name Generator
- AI Ad Copy Generator
- AI YouTube Script Generator
- AI Instagram Caption Generator
- AI Hashtag Generator
- AI Translation Tool
- AI Readability Checker
Security & Password Tools
Passwords, hashes, SSL, DNS and IP lookups.
- Hash Generator
- Password Generator
- Password Strength Checker
- Random Password Generator
- Strong Password Generator
- PIN Generator
- Random Number Generator
- SHA512 Generator
- SHA1 Generator
- MD5 Checker
- Password Entropy Calculator
- Secure Token Generator
- SSL Certificate Checker
- SSL Expiry Checker
- IP Address Lookup
- DNS Lookup
- WHOIS Lookup
- Domain Availability Checker
- Email Validator
- URL Safety Checker
- What Is My IP
Unit & File Converters
Units, data sizes, audio and video formats.
- Length Converter
- Weight Converter
- Temperature Converter
- Volume Converter
- Area Converter
- Speed Converter
- Time Zone Converter
- Data Storage Converter
- Bytes to KB Converter
- MB to GB Converter
- Inches to CM Converter
- KG to Pounds Converter
- Celsius to Fahrenheit
- Miles to KM Converter
- Feet to Meters Converter
- MP4 to MP3 Converter
- WAV to MP3 Converter
- MP3 to WAV Converter
- GIF to MP4 Converter
- PNG to JPG Converter
- Unit Converter
Education & Student Tools
Citations, GPA, readability and maths solvers.
- Image to Text (OCR)
- GPA Calculator
- Grade Calculator
- Fraction Calculator
- AI Essay Writer
- AI Readability Checker
- Citation Generator
- APA Citation Generator
- MLA Citation Generator
- Harvard Citation Generator
- Essay Word Counter
- Plagiarism Checker
- Reading Level Checker
- Flesch Reading Ease Calculator
- Grade Percentage Calculator
- CGPA Calculator
- SGPA Calculator
- GPA to Percentage Converter
- Percentage to GPA Converter
- Scientific Notation Converter
- Binary to Decimal Converter
- Decimal to Binary Converter
- Roman Numeral Converter
- Equation Solver
- Quadratic Equation Solver
- Random Quiz Generator
- CV Builder
Date & Time Tools
Timers, clocks, calendars and date maths.
- Unix Timestamp Converter
- Date Calculator
- Time Zone Converter
- Countdown Timer
- Stopwatch
- Online Alarm Clock
- Pomodoro Timer
- World Clock
- Business Days Calculator
- Working Days Calculator
- Days Until Calculator
- Birthday Calculator
- Leap Year Checker
- Week Number Calculator
- Calendar Generator
- Date to Unix Timestamp
- Unix Timestamp to Date
- Add Days to Date
- Subtract Days from Date
- Age in Days Calculator
- Time Between Two Dates
- Meeting Time Planner
Website & Network Tools
IP, DNS, subnet, headers and uptime checks.
- DNS Lookup
- Internet Speed Test
- What Is My IP
- IPv4 Calculator
- IPv6 Calculator
- Subnet Calculator
- DNS Propagation Checker
- Ping Test
- Port Checker
- HTTP Header Checker
- Website Uptime Checker
- Website Down Checker
- Domain IP Checker
- DNS Record Checker
- MX Record Checker
- SPF Record Checker
- DKIM Checker
- DMARC Checker
- Website Redirect Checker
- User Agent Checker
- Browser Information Checker
Design, Audio & Video Tools
Colours, QR codes, logos, audio and video.
- Image Aspect Ratio Calculator
- Color Code Converter
- Favicon Generator
- Logo Maker
- QR Code Generator
- Barcode Generator
- Color Picker
- HEX to RGB Converter
- RGB to HEX Converter
- Color Palette Generator
- Gradient Generator
- Contrast Checker
- CSS Button Generator
- CSS Animation Generator
- Audio Cutter
- Audio Joiner
- Audio Converter
- Video Compressor
- Video Cutter
- Video to GIF Converter
- GIF Compressor
- Video to Audio Converter
Sponsored
A recommended offer
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Social Media Tools
Bios, hashtags, captions, fonts and YouTube tools.