493 free toolsno sign-up · runs in your browser
Free online tools that get things done.
Simple tools for everyday jobs — calculate, convert, compress, clean up text and work with PDFs. Free, private, and most run entirely on your device.
Most used
Popular tools
The tools people reach for most. Click one and start straight away.
- Percentage CalculatorFind X% of a number, or what percent one number is of another.Calculators
- Loan & EMI CalculatorMonthly payment (EMI), total interest and a full repayment schedule.Finance
- Unit ConverterConvert any common unit: length, weight, temperature, volume and more.Converters
- Word CounterCount words, characters, sentences and paragraphs as you type.Text
- JSON FormatterBeautify, minify and validate JSON, with clear error locations.Developer
- Image CompressorMake JPG, PNG and WebP photos smaller without visible quality loss.Images
- Merge PDFCombine several PDF files into one, in the order you choose.PDF
- Audio TrimmerCut the part of a song or recording you want — or cut a section out — with a visual waveform.Audio
- Create ZIP FilePut several files into one ZIP archive, right in your browser.Files
- Meta Tag GeneratorWrite title, description, canonical, Open Graph and Twitter tags for a page.SEO
- QR Code GeneratorMake a free QR code for any link or text, in PNG or SVG. No expiry.Web
- Color PickerPick a color and get its HEX, RGB and HSL codes instantly.Design
Browse everything
Explore tools by topic
Browse free calculators, converters, image, PDF, text and developer tools across the jobs people do most. Choose a topic, open a tool and get it done — at your pace, with nothing to install.
Calculators
View all 41Percentages
Math & numbers
Shopping & everyday
Algebra & calculus
Statistics
Finance
View all 22Saving & investing
Income & salary
Budgeting & spending
Converters
View all 30Measurement units
- Unit Converter
- Length Converter
- Weight Converter
- Temperature Converter
- Area Converter
- Volume Converter
- Speed Converter
- Data Size Converter
- Pressure Converter
- Energy Converter
- Time Converter
- Power Converter
- Frequency Converter
- Force Converter
- Torque Converter
- Density Converter
- Angle Converter
- Fuel Economy Converter
- Data Transfer Rate Converter
- Cooking Unit Converter
Numbers & numerals
Text
View all 42Counting & analysis
Cleaning & formatting
Compare & transform
Encode & decode
Developer
View all 61Data conversion
- JSON to CSV Converter
- CSV to JSON Converter
- JSON to XML Converter
- XML to JSON Converter
- YAML to JSON Converter
- JSON to YAML Converter
- JSON to TypeScript
- JSON to C# Classes
- JSON to SQL Converter
- CSV Viewer & Formatter
- HTML to JSX Converter
- HTML to Markdown Converter
- TOML to JSON Converter
- YAML to CSV Converter
- Markdown Table Generator
Code formatting
Encoding & decoding
Utilities
DevOps, Git & network
Images
View all 33Compress & resize
Convert formats
Edit & transform
Colors & information
QR codes & scanning
PDF
View all 35Organize pages
Convert
Edit & stamp
Sign, fill & annotate
Inspect & compare
Audio
View all 15Volume, speed & effects
Record & visualise
Files
View all 11SEO
View all 9Web
View all 16Links & QR codes
Design
View all 31Tools
- Color Picker
- Color Converter
- Color Palette Generator
- Tints & Shades Generator
- Contrast Checker (WCAG)
- CSS Gradient Generator
- Box Shadow Generator
- Border Radius Generator
- Fluid Font Size (clamp) Generator
- Aspect Ratio Calculator
- Golden Ratio Calculator
- Type Scale Generator
- Glassmorphism CSS Generator
- Neumorphism CSS Generator
- CSS Button Generator
- Font Pairing Tool
- SVG Optimizer
- Flowchart Maker
- Mind Map Maker
- Timeline Maker
- CSS Animation Generator
- Cubic Bezier Easing Generator
- CSS Clip-Path Generator
- CSS Flexbox Generator
- CSS Grid Generator
- Design Token Converter
- SVG Path Editor
- Code Screenshot Generator
- Device Mockup Generator
- Color Blindness Simulator
- Placeholder Image Generator
Business
View all 29Documents
- Invoice Generator
- Receipt Generator
- Quotation Generator
- Purchase Order Generator
- vCard to CSV Converter
- Resume & CV Builder
- Cover Letter Generator
- Job Application Tracker
- Portfolio Website Builder
- Business Card Maker
- Email Signature Generator
- Letterhead Maker
- Expense Report Generator
- Privacy Policy Generator
- Terms of Service Generator
Pricing & profit
Payroll & HR
Revenue & planning
Date & Time
View all 29Date calculators
Time zones & clocks
Timers
Security
View all 9Health
View all 8Education
View all 52Grades & GPA
Physics
Chemistry
Electrical & engineering
Everyday
View all 15Notes & productivity
Smart Text
View all 5
Fresh
Recently added
The latest tools we've built and tested.
- Terms of Service GeneratorNewGenerate terms and conditions for a website, app or SaaS — accounts, payments, content and liability.Business
- Privacy Policy GeneratorNewCreate a plain-language privacy policy with GDPR and CCPA sections for your website or app.Business
- Emoji Picker & SearchNewSearch and copy emoji by name or keyword, keep recents, and collect several at once.Text
- Text to SpeechNewRead text aloud with your device's voices — choose language, voice, speed and pitch.Text
- Text to ASCII ArtNewTurn words or images into ASCII art banners using # blocks or shaded characters.Text
- Text Similarity CheckerNewCompare two texts and get similarity scores — cosine, Jaccard and edit distance — with shared phrases.Text
Why people use M2Toolkit
Private by design
Files and text are processed in your browser. We can't see them, so we can't lose them.
Fast and simple
Each tool does one job well, with no clutter and no sign-up wall before you can use it.
Honest about limits
We show formulas and assumptions, and we don't pretend tools work when they don't.
Free for everyone
No trials, no paywalls, no daily limits. Works on phones, tablets and computers.
Learn
Helpful guides
Practical how-tos that go with the tools.
- Guide · ImagesHow to Reduce an Image to 100 KB Without Losing Too Much QualityA practical method for getting photos under 100 KB — or any limit — while keeping them sharp: which settings to change first, and what to do when it still won't fit.Oct 4, 2026 · 7 min read
- Guide · ImagesHow to Prepare Photos and Signatures for Online Application FormsExam, visa, passport and job portals reject photos for size, dimensions or background. A checklist and step-by-step method to get accepted on the first upload.Oct 4, 2026 · 8 min read
- Guide · ImagesJPG vs PNG vs WebP: Which Image Format Should You Use?A plain-English comparison of JPG, PNG, WebP (and AVIF) with real file sizes, so you can pick the right format for photos, logos, screenshots and websites.Oct 4, 2026 · 7 min read
Questions about M2Toolkit
Something else? Get in touch.
Are the tools really free?
Yes. Every tool on M2Toolkit is free to use with no account, no trial and no limit on how often you use it. The site may show a small number of clearly labelled ads to cover running costs.
Do you upload my files?
No. Image, PDF, file and text tools process everything inside your browser, on your own device. Each tool page says exactly where its processing happens.
Do the tools work on my phone?
Yes. Every tool is designed for small screens first, with large buttons and inputs. They work in any modern browser on iPhone, Android, tablets and computers.
Can I suggest a tool?
Please do — use the contact page. Tools that need a server or an AI model are listed as “Coming soon” on the tools page until they work properly.