Free online tools for PDFs, images, calculations and more
Convert files, calculate anything, and tidy up text — right in your browser. Fast, private, and free, with nothing to install and no account to create.
Popular tools
The ones people reach for most often.
The site at a glance
- Tools
- 154
- Every one free, with no sign-up
- Categories
- 7
- PDF, image, text, converters, calculators and more
- Run in your browser
- 149
- Your files never leave your device on these
Why use these tools
Your files stay on your device
PDF, image and text tools all run inside your browser. There is no upload, no queue, and no copy of your document on a server afterwards.
Fast, because nothing travels
Work starts the moment you drop a file in. A 40-page PDF merges in about a second, with no round trip to wait for.
Free, with no account
No sign-up, no email step, no watermark and no daily limit. Open a tool, use it, close the tab.
PDF Tools
Merge, split, rotate, compress and convert PDF files.
- Merge PDF
- Split PDF
- Compress PDF
- PDF to Word
- Word to PDF
- PDF to JPG
- JPG to PDF
- PDF to PNG
- PDF to Excel
- PDF to Text
- Rotate PDF
- Delete PDF Pages
- Extract PDF Pages
- Add Page Numbers to PDF
- PDF Table Extractor
- PDF Metadata Editor
- PDF Page Size Converter
- Add Watermark to PDF
- Rearrange PDF Pages
- Extract Images From PDF
- PDF Booklet Maker
- Multiple PDF Pages Per Sheet
- Crop PDF Margins
- Add Header and Footer to PDF
- Convert PDF to Grayscale
- Invert PDF Colours
- Flatten PDF Form
- Sign PDF
- Redact PDF
- Compare Two PDFs
- PDF Bookmarks Editor
Calculators
Everyday maths for money, study, health and time.
- Percentage Calculator
- Age Calculator
- GPA Calculator
- CGPA Calculator
- Grade Calculator
- Attendance Calculator
- EMI Calculator
- Loan Calculator
- Mortgage Calculator
- Compound Interest Calculator
- BMI Calculator
- Discount Calculator
- Tax Calculator
- Salary Calculator
- Scientific Calculator
- Paint and Wallpaper Calculator
- Pet Age Calculator
- Take-Home Pay Calculator
- EV Charging Cost Calculator
- Subscription Cost Tracker
- Tip Calculator
- Date Calculator
- Time Card Calculator
- Fuel Cost Calculator
- Unit Price Calculator
- SIP Calculator
- BMR and Calorie Calculator
- Loan Comparison Calculator
- Savings Goal Calculator
- Time Duration Calculator
Image Tools
Compress, resize, crop and convert images.
- Compress Image
- Resize Image
- JPG to PNG
- PNG to JPG
- WebP to JPG
- HEIC to JPG
- Image to Text (OCR)
- Image to PDF
- Crop Image
- Rotate Image
- Image Converter
- WebP to PNG
- AVIF to JPG
- Color Palette Extractor
- EXIF Viewer and Remover
- Favicon Generator
- PNG to WebP Converter
- JPG to WebP Converter
- JPG to AVIF Converter
- SVG to PNG Converter
- Circle Crop Image
- Passport Photo Maker
- Instagram Image Resizer
- YouTube Thumbnail Grabber
- Add Watermark to Image
- Blur Faces in a Photo
- Change Image DPI
- Black and White Image Converter
- Colour Blindness Simulator
- Add Border to Image
- Combine Images
Converters
Units, measurements and currency, converted instantly.
Generators
QR codes, passwords, invoices, resumes and test data.
Text Tools
Count, clean, sort and reshape blocks of text.
Developer Tools
Format, validate and encode the data you work with.
- JSON Formatter
- JSON Validator
- JSON to CSV
- Base64 Encoder
- Base64 Decoder
- URL Encoder
- URL Decoder
- HTML Formatter
- CSS Formatter
- Timestamp Converter
- File Checksum Verifier
- SSL Certificate Checker
- Email Address Validator
- Password Strength Checker
- Open Graph Preview
- CSV to JSON
- JWT Decoder
- Hash Generator
- Cron Expression Explainer
- Regex Tester
- Markdown to HTML
Recently added
All 154 tools launched together on October 20, 2026.
One place for the small digital jobs
Most days throw up a task that is too small to justify installing software: a PDF that needs two pages removed, a photo that is a megabyte too large to attach, a percentage you could work out by hand but would rather not. Utilboxes collects 154 of those jobs into one place, with a single consistent interface.
Nearly all of them run entirely inside your browser. That is not a marketing line — it is a design decision with real consequences: your files are never uploaded, so there is no queue to wait in, no size limit imposed by a server, and nothing left behind when you close the tab. The 5 tools that do need the network, such as the currency converter and the SSL certificate checker, say so on the tool itself, and the privacy policy lists exactly what each one sends.
Each tool also explains what it did. Calculators show their formula and working; converters name the exact factors they used; file tools say what survives the conversion and what does not. You should be able to check the result rather than take it on trust.