Privacy-FirstToolbox

Crypto & Security6

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Privacy-FirstToolbox

Free online tools that process your files entirely in your browser. Your data never leaves your device. No uploads, no tracking, no accounts required.

100% Private

64+ Free Tools

Open Source on GitHub

🔥 Popular Tools

JPG to PNGHOT
PNG to JPGHOT
WebP to PNG
WebP to JPG
PDF CompressorHOT
Merge PDF

Image Converters

JPG to WebP
PNG to WebP
SVG to PNG
GIF to PNG
BMP to PNG
ICO to PNG

PDF Tools

PDF to PNG
PDF to JPG
Split PDF
Rotate PDF
Unlock PDF
PDF Metadata

Developer Tools

JSON Formatter
JSON to CSV
JSON to TypeScript
Image to Base64

Text Tools

Word Counter
Case Converter
Text Diff

Quick Links by Format

Convert JPG Convert PNG Convert WebP Convert GIF Convert SVG Convert BMP To PNG To JPG To WebP PDF Tools Text Tools JSON Tools Date Tools Crypto Tools

Why Browser-Based?

Our tools use modern Web Workers and Canvas APIs to process files directly in your browser. This means your sensitive images and documents never leave your device, ensuring complete privacy.

Supported Formats

Convert between JPG, PNG, WebP, GIF, BMP, SVG, and ICO formats. Compress and manipulate PDFs. Format JSON, convert timestamps, and more.

Works Offline

Once loaded, our tools work without an internet connection. Perfect for handling sensitive documents or working in areas with limited connectivity.

© 2026 Privacy-First Toolbox. All rights reserved.

About Us•Contact•Privacy Policy•Terms of Service•Cookie Policy•Credits

Made with for privacy

Credits & Attributions

Privacy-First Toolbox is built on the shoulders of giants. We are deeply grateful to the amazing open source community for creating these incredible tools.

Open Source Philosophy

Every tool on Privacy-First Toolbox runs entirely in your browser thanks to these open source libraries. No server-side processing means your data stays private. We believe in giving back to the community that makes this possible.

Core Framework

The foundation technologies that power our application

Next.js

React framework for production with server-side rendering, routing, and optimizations

React

JavaScript library for building user interfaces

TypeScript

Typed superset of JavaScript for better developer experience and code quality

UI Components & Styling

Beautiful, accessible UI components and styling solutions

Tailwind CSS

Utility-first CSS framework for rapid UI development

Radix UI

Unstyled, accessible UI primitives for building high-quality design systems

Lucide React

Beautiful & consistent icon toolkit with 1000+ icons

shadcn/ui

Re-usable components built with Radix UI and Tailwind CSS

next-themes

Perfect dark mode in Next.js with theme support

Sonner

Opinionated toast notification library for React

Vaul

Drawer component for React

Image Processing

Libraries powering our browser-based image conversion tools

HTML5 Canvas API

Native browser API for image manipulation, format conversion, and drawing

File API

Native browser API for reading and handling files locally

PDF Processing

Powerful libraries for PDF manipulation directly in the browser

pdf-lib

Create and modify PDF documents in any JavaScript environment

PDF.js

Mozilla's PDF rendering library for JavaScript (pdfjs-dist)

Text & Data Processing

Libraries for text manipulation and data format conversions

diff

JavaScript text differencing library for comparing text

Monaco Editor

The code editor that powers VS Code, for in-browser code editing

JSON & Data Tools

Libraries for JSON, YAML, CSV and data format processing

js-beautify

Beautifier for JavaScript, JSON, CSS, and HTML

js-yaml

YAML parser and serializer for JavaScript

PapaParse

Fast and powerful CSV parser for JavaScript

sql-formatter

SQL query formatter and beautifier

Date & Time Tools

Libraries for date manipulation and timezone handling

date-fns

Modern JavaScript date utility library

react-day-picker

Flexible date picker component for React

Cryptography & Security

Libraries powering our hash generators and encryption tools

crypto-js

JavaScript library of crypto standards (MD5, SHA, AES, etc.)

bcryptjs

JavaScript implementation of bcrypt password hashing

Web Utilities

Utility libraries for web-related tools

ua-parser-js

User-Agent parser for browser and device detection

react-next-google-tools

Lightweight library for integrating Google Analytics into React and Next.js applications

UI Interactions

Libraries for advanced UI interactions like drag-and-drop

@dnd-kit

Modern, lightweight drag and drop toolkit for React

embla-carousel-react

Lightweight carousel library with great performance

react-resizable-panels

Resizable panel components for React

Forms & Validation

Libraries for form handling and data validation

React Hook Form

Performant, flexible and extensible forms with easy validation

Zod

TypeScript-first schema validation with static type inference

Thank You

A heartfelt thank you to all the maintainers, contributors, and sponsors of these projects. Your dedication to open source makes tools like Privacy-First Toolbox possible.

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