JustUtilsSimple tools. Real progress.
Free online tools that finish the job.
Fast, reliable, and easy to use. Find the right tool for any task — no sign up required.
100% freeNo registration
Safe & privateYour files stay yours
Works instantlyRight in your browser
PDF / TOOLS
Compress PDF
Smaller PDF files. Quality you control.
Your files are processed in your browser.
We don’t upload or store them.
Popular tools
Start with a popular tool
A few useful favorites to make your everyday tasks easier.
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Find the exact utility
33 tools found
JPG to PDF
Arrange JPG images and combine them into one PDF.
PDF to JPG
Turn PDF pages into high-quality JPG images.
Merge PDF Files
Combine multiple PDF files into one document.
Image Converter
Convert between JPG, PNG, WebP and more.
Crop Image
Crop images to a shape, ratio or exact size.
Reduce Image Resolution
Resize images to the dimensions you need.
JSON Formatter
Format and validate JSON data instantly.
Case Converter
Change text to UPPERCASE, lowercase and more.
JSON Compare
Find meaningful differences between JSON documents.
Base64 Encoder & Decoder
Encode or decode UTF-8 text in Base64 format.
URL Component Encoder
Encode or decode URL components safely.
Password Protect PDF
Protect a PDF with AES-256 password encryption.
Device Simulator
Explore responsive websites in iPhone, Android and iPad frames, rotate the viewport, and share the exact setup.
Video to Live Photo
Trim a video, choose a cover, and export a Live Photo pair entirely in your browser.
Wheel of Names
Spin a random name picker for classrooms, teams, prizes, or everyday choices, with optional no-repeat winners.
QR Code Generator
Create custom QR codes for links, Wi-Fi and more.
Countdown Timer
Count down from a preset or custom duration with pause, resume, +1 minute, sound, and refresh-safe timing.
Timer with History
Count upward, name sessions, record lap splits, and save a searchable local history with CSV export.
Increase Image Resolution
Enlarge an image to 2×, 3×, 4×, or exact pixel dimensions with honest high-quality interpolation.
Watermark PDF
Add English or Thai text watermarks with page previews and simple appearance controls.
Compress PDF
Reduce PDF file size with clear quality controls.
Remove PDF Password
Use a password you already know to create an unlocked copy without flattening or uploading the PDF.
PDF ↔ Image Converter
Export PDF pages as PNG, JPG, or WebP at your chosen DPI, or combine full-resolution images into one PDF.
Split PDF & Extract Pages
Extract selected pages into one PDF or separate a document into numbered parts packaged in a ZIP.
Reorder PDF Pages
Fix page order with visual thumbnails, precise arrow controls, rotation, removal, and one-step undo.
Text Compare
Compare an original and a new version side by side, then jump through every added, removed, or changed word.
JWT Decoder
Paste a JSON Web Token to read its header, payload, time status, and claims with beginner-friendly explanations.
Chmod Calculator
Build file or directory permissions visually and see what every digit allows before you run the command.
Crontab Generator
Turn a schedule into a standard five-field cron expression, preview upcoming runs, and add your command.
Milliseconds Converter
Convert milliseconds to minutes, seconds, hours, days, average months, and readable dates without scientific notation.
Unix Timestamp Converter
Convert epoch values to ISO, UTC, and local time with automatic detection for common timestamp units.
JavaScript Minifier
Compress modern JavaScript with parser-based optimization, optional name shortening, and preserved license notices.
JavaScript Unminifier
Turn compressed JavaScript into parser-checked, consistently formatted code without executing or uploading it.
Built for everyone
Reliable. Private. Blazing fast.
Useful online tools that are simple, secure and work right in your browser — no installation, no hassle.
Your privacy first
Files are processed in your browser. Your data stays with you.
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Open a tool and get started. No upload queues to wait in.
Made for everyday
Simple, practical tools. Free to use, with no account needed.
FAQ
Questions before
you begin?
Find quick answers to common questions about our tools, your data, and how everything works.
Explore our guidesDoes JustUtils really cost anything?
No. JustUtils tools are free to use, with no daily credits and no watermarks on your results.
Is it safe to use my files here?
The current tools process your input in your browser unless a page explicitly says otherwise. Files you select are not uploaded to the tool’s servers.
Do I need to create an account?
No account is needed. Open a tool, add your input, and download or copy your result.
What file types are supported?
Support depends on the tool. You can work with PDF, JPG, PNG, WebP, GIF, and BMP files, as well as text, JSON, and JavaScript. Each tool explains the formats it accepts.
Can I use the tools on my phone?
Yes. JustUtils works on phones, tablets, and computers. Processing large files depends on your device’s available memory and browser capabilities.
Is there a limit to how many times I can use a tool?
There are no daily usage quotas or credits. File-size and performance limits depend on the tool, your browser, and your device.
Get things done
Keep useful tools within reach.
Bookmark JustUtils and have 33 free tools ready for your next task.