Free online tools that never upload your files.
PDF, image, text, QR and developer utilities that run 100% in your browser. No upload, no sign-up, nothing to install.
- No upload
- No sign-up
- 100% free
- Runs in your browser
Built by one indie maker who got tired of uploading private files to random websites. Read the story.
Browse by category
Jump straight to a category hub.
Explore all tools
Hand-crafted utilities you'll actually use.
PDF Tools
PDF Merger
Combine multiple PDF files into one — in your browser.
PDF Splitter
Split a PDF into individual pages or extract a range.
PDF Compressor
Reduce PDF file size right in your browser.
PDF to Image
Convert PDF pages to PNG or JPG images.
Rotate PDF
Rotate PDF pages 90°, 180°, or 270° in your browser.
Image to PDF
Turn one or more images into a single PDF document.
Image Tools
Image Compressor
Shrink images in your browser — you control the quality.
Image Resizer
Resize images to any dimensions, right in your browser.
Crop Image
Crop images to any size with aspect-ratio presets.
Image Converter
Convert images between JPG, PNG, and WebP in your browser.
Favicon Generator
Generate favicon sizes from any image, bundled as a ZIP.
Color Picker from Image
Click any pixel in an image to get its HEX and RGB color.
Color Picker
Pick a color and copy HEX, RGB, or HSL values.
YouTube Thumbnail Downloader
Download YouTube video thumbnails in every available resolution.
Text Tools
Word Counter
Live word, character, and reading-time stats.
Case Converter
Convert text to upper, lower, title, sentence, camel & more.
Lorem Ipsum Generator
Generate placeholder paragraphs, sentences, or words.
Text to Slug
Turn any text into a clean, URL-friendly slug.
Remove Line Breaks
Strip line breaks or clean up extra blank lines.
Reverse Text
Reverse characters, words, or flip lines of text.
Find and Replace
Find and replace text with case and whole-word options.
Calculators
Age Calculator
Calculate your exact age in years, months, and days.
Percentage Calculator
Calculate percentages, ratios, and percentage change.
Tip Calculator
Quickly calculate the tip and split a bill between any number of people.
Discount Calculator
Find the sale price and the amount saved for any percentage discount.
BMI Calculator
Calculate Body Mass Index in metric or imperial units, with a category result.
Pregnancy Due Date Calculator
Estimate your due date, current week, and trimester from your last period.
Time Duration Calculator
Calculate the duration between two times, including overnight shifts.
Unit Converter
Convert length, weight, temperature, volume, speed and more.
Finance
Loan Calculator
Estimate monthly loan payments, total interest, and total cost.
Mortgage Calculator
Estimate your monthly mortgage payment based on price, down payment, rate, and term.
Compound Interest Calculator
See how your savings grow with compounding interest and regular contributions.
Salary Calculator
Convert any salary between hourly, weekly, monthly, and yearly amounts.
Sales Tax Calculator
Add sales tax to a price or extract tax from a gross amount.
Generators
Why SwiftTooly
Built for people who value their time and their privacy.
100% Free
Every tool, every feature. No paywalls, no hidden upgrades.
No Sign-Up Needed
Open it, use it, done. We don't ask for an account.
Privacy-First
Your files never leave your device. Everything runs locally.