Images
Compress, resize, convert and optimize images locally without server uploads.
Powerful tools.Right in your browser.
100+ free tools for images, PDFs, text, code and more. No uploads. No signup. No limits.
Browse all tools →110 tools available
0 bytes uploaded
photos/files stay local
100+ free tools
no signup · no limits
The number is an anonymous site total. It is approximate. A finished file adds its count at the edge. Photos/Files never leave your device.
100+ TOOLS
All in one place
NO SIGNUP
Get started instantly
NO UPLOADS
Processed in your browser
PRIVATE BY DESIGN
Your files stay on your device
INSTANT RESULTS
Fast and efficient
Popular tools
6 toolsGet straight to the tools people use most.
PDFCompress PDFShrink PDF size while keeping quality.PDFMerge PDFCombine multiple PDFs into one document.PDFPDF EditorAnnotate, edit, and organize pages in your browser.IMAGEAdd WatermarkStamp text or a logo onto your photos.IMAGERemove BackgroundErase backgrounds and export a transparent PNG.DEVJSON FormatterFormat, validate, and minify JSON.
Explore tools by what you're working with
Structured utility clusters tailored to your immediate project requirements.
36+ tools
Merge, split, compress, edit and sign documents without server uploads.
View all PDF tools →Text
Clean, convert, compare and inspect copy or markdown documents.
Developer
Format, decode, validate and hash data on device safely.
Finance
Calculate, convert currency and track quick financial ratios.
Utilities
Random string generators, system checks, and barcode builders.
100% client-side
Your files stay on your device.
NixRey processes supported files locally in your browser. No uploads required, meaning your sensitive data never touches an external server.
- No uploads
- No signup
- No tracking of your files
Data flow pipeline
Your device
Browser / Local processing
Result / On your device
Active Protection: 0 bytes uploaded to WAN
How it works
Simple by design.
Get things done in three easy steps.
Learn more →01
Choose a tool
Find the right tool for what you need to do.
02
Process in your browser
Your files are processed locally and securely.
03
Get your result
Download, copy or continue with another tool.
All tools
Browse through our structured index of native utilities.
Images
- Compress Image
- Add Watermark
- Remove Background
- HEIC → JPG
- Resize Image
- Convert Image
- Remove EXIF
- Add Border
- Blur Image
- Crop Image
- Dominant Color Extractor
- Flip Image
- Mark Screenshot
- Rotate Image
- Base64 to Image
- GIF to PNG
- HEIC to PNG
- Image to Base64
- JPG to PNG
- JPG to WebP
- PNG to JPG
- PNG to WebP
- SVG to PNG
- WebP to JPG
- WebP to PNG
- Brightness & Contrast
- Color Picker
- Grayscale Image
- Invert Colors
- Round Corners
- Sepia Filter
- Image to Favicon
- Overlay Images
- Passport Photo Maker
- QR Code Generator
- Profile Picture Maker
Text
Developer
Utilities
- Age Calculator
- BMI Calculator
- Date Calculator
- Percentage Calculator
- Scientific Calculator
- Time Zone Converter
- Unit Converter
- Password Generator
- Password Strength Checker
- Random Number Generator
- Color Palette Generator
- Countdown Timer
- Decision Wheel
- Favorite Picker
- Notepad
- Plinko Picker
- Pomodoro Timer
- QR Code Reader
- Screen Resolution Checker
- Stopwatch
More tools. More possibilities.
100+ tools in one seamless experience. No installs, no sign-up required.
Explore all tools →Working with PDFs? Check out related tools to optimize your document workflow:
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