Your Files. Your Device.
Zero Server Uploads.
Power toys for standard document, image, and text tasks. Everything runs locally in your web browser. No accounts, no paywalls, absolute data isolation.
PDF Suite
Combine, split, compress, and convert PDF documents in-browser.
Merge PDF
Combine multiple PDF documents into a single file.
Compress PDF
Reduce PDF file size by downscaling embedded images.
PDF to JPG
Convert PDF pages into high-quality JPEG images.
JPG to PDF
Convert images (PNG, JPG) into a clean PDF document.
Split PDF
Extract pages or split a PDF into separate files.
Paint & Erase PDF
Draw, white-out, or redact text and images in a PDF.
Unlock PDF
Remove password protection and restrictions from PDF files.
Rotate PDF
Rotate individual or all pages of a PDF document.
Resize PDF
Resize PDF pages to standard paper sizes (A4, Letter) or custom dimensions offline.
Sample PDF Generator
Generate custom multi-page PDF documents for layout and print testing.
Image Suite
Compress, resize, crop, and convert images locally.
Remove Background
Remove image backgrounds locally and save as transparent PNG.
Compress Image
Optimize PNG, JPEG, or WebP dimensions and quality.
Resize Image
Scale dimensions with absolute pixels or ratios.
Crop Image
Trim borders or crop images to standard aspect ratios.
HEIC to JPG
Convert Apple HEIC photos to standard JPGs.
PNG to WebP
Convert standard images to next-gen WebP format.
SVG to PNG
Convert SVG vector graphics to PNG or JPEG format offline.
WebP to JPG / PNG
Convert WebP images to standard JPG or PNG format offline.
Favicon Generator
Generate multi-size favicons and apple-touch-icons from any image.
SVG Optimizer
Minify, clean, and optimize SVG code for smaller file sizes.
Strip EXIF Data
Remove privacy-compromising EXIF metadata from JPEG and PNG images.
Color Picker
Inspect and extract HEX, RGB, or HSL color codes from any image.
Image to Base64
Convert images or files to Base64 data URLs for inline embedding.
Video Suite
Lightweight video capture and processing restricted to 100MB for tab safety.
Audio Suite
Trim, record, extract, and synthesize sound tracks locally.
Developer Tools
Safe formatter and parsing utilities for developers.
JSON Formatter
Prettify, validate, minify, and query JSON trees.
QR Code Generator
Generate customized QR codes with custom colors and center logos.
UUID Generator
Generate random UUID v4 and time-ordered UUID v7 identifiers in bulk.
Hash Generator
Generate secure MD5, SHA-1, SHA-256, and SHA-512 hashes from text or files.
Timestamp Converter
Convert Unix epoch timestamps to human dates and vice versa.
Base64 Encoder
Convert strings or files to/from Base64 URLs.
JWT Decoder
Inspect and decode JWT token payloads locally.
Regex Tester
Build and test JavaScript regular expressions live.
CSS Gradient Generator
Create, customize, and generate CSS gradients visually.
Box Shadow Generator
Design CSS box shadows visually with interactive sliders.
Color Palette Generator
Create color schemes using color theory and export styles.
SQL Formatter
Prettify, format, and structure raw SQL query syntax.
JSON / YAML Converter
Convert data between JSON and YAML formats offline.
Cron Expression Generator
Build and parse cron schedules and view upcoming execution runs.
Markdown Previewer
Write markdown side-by-side with live HTML rendering.
URL Encoder
Encode or decode query parameters and URI components.
HTML Entity Encoder
Convert characters to HTML entities or decode them back.
Path Converter
Convert file and directory paths between Windows and Unix/Linux formats.
Text Tools
Simple, client-side formatting and analysis helpers.
Word Counter
Analyze word counts, reading speeds, and density.
Online Notepad
Write, edit, and format notes locally with auto-save and word counting.
Emoji Picker
Search, browse, and copy emojis easily with local history support.
Lorem Ipsum Maker
Generate dummy paragraphs, sentences, or word buffers.
Diff Checker
Compare two strings and highlight additions or deletions.
Case Converter
Convert cases to UPPER, lower, Title, or Sentence.
CSV to JSON
Convert tabular CSV data or files into structured JSON objects.
Password Generator
Generate highly secure, randomized user credentials.
Find & Replace
Search and replace string occurrences or regex patterns.
List Sorter
Sort multi-line lists alphabetically, numerically, or shuffle them.
Remove Duplicates
Scrub redundant or duplicate lines out of text blocks.
Markdown to HTML
Compile markdown text or files into HTML pages for downloading.
Calculators & Converters
Quick, offline calculation and conversion utilities.
Why Choose Our Tools? Private, In-Browser Processing
A Secure Hub for Local Web Utilities
In today's digital landscape, finding web utilities that do not compromise your privacy can be a challenge. Most web-based converters, editors, and formatters require uploading files to remote servers, exposing sensitive personal data, corporate documents, or proprietary code to potential leaks. We solve this by running all tools entirely in your local web browser, ensuring your files never leave your device.
These browser-based utilities provide a secure, lightning-fast alternative to traditional cloud-based processing. Whether you need to compress a PDF, convert an image, format code, or record audio, our platform ensures maximum confidentiality.
The Power of Local Processing
Traditional websites operate on a client-server architecture where your data must travel across the internet, get processed on a remote machine, and then return. Our platform disrupts this paradigm: your browser executes the code directly on your local CPU and GPU, functioning as a true client-side converter.
Because your files are processed locally, there are zero server upload limits, zero queues, and absolute privacy. You can load massive files and watch the task finish instantly. Furthermore, because no server-side resources are consumed, these utilities are entirely free to use, without advertisements, premium paywalls, or registrations.
Core Application Features
We bring the convenience of desktop-grade utilities directly to the web. The platform features span across several specialized categories:
- Document & PDF Management: Merge files, split pages, or compress documents locally.
- Image Conversion & Optimization: Convert HEIC to JPEG, resize photos, or generate icons.
- Text & Developer Tools: Encode/decode Base64, generate CSS box shadows, format JSON, or compute cryptographic hashes.
- Media & Audio Processing: Trim audio tracks, record voice memos, or generate tones with precision.
- Visual Calculators: Estimate investment growth, plan loans, or calculate age.
Every single feature is built with modern Web APIs (such as WebAssembly, Canvas, and the File System Access API), ensuring native-like speed. These offline tools are also designed to work when you have no internet access. Thanks to Service Worker caching, you can load the app once and continue using the tools anywhere.
Verify Our Privacy Commitment
Security should not be an afterthought. We believe basic file manipulation should be private by default. By utilizing client-side execution, we eliminate the server element entirely.
To prove our commitment to privacy, we encourage you to verify our claims. You can open your browser's Developer Tools (F12), inspect the Network tab, and run any tool. You will see that no network requests are made when processing your files. Disconnect your internet completely, and you will find that the application remains fully functional.
Frequently Asked Questions
Got questions about Browser PowerToys? Find answers about our 62+ offline browser tools, client-side safety, and local processing features below.
How does Browser PowerToys ensure 100% data privacy?
Every utility on Browser PowerToys processes your files completely client-side in your web browser. Your PDFs, images, text, and videos are never uploaded to our servers, stored, or analyzed by third parties. You can verify this by checking your browser's Network tab or running the tools completely offline.
Can I use these web utilities without an internet connection?
Yes, Browser PowerToys is designed to function as an offline web application. Thanks to Service Worker caching, once you visit the website, you can use the PDF suite, developer formatters, image converters, and text utilities offline in your browser at any time.
How does the PDF suite process files without server uploads?
Our PDF Suite uses compiled WebAssembly libraries (like pdf-lib and pdfjs-dist) to manipulate PDF documents directly in your browser. This allows you to safely Merge PDF, Split PDF, Rotate PDF, Compress PDF, and convert between JPG and PDF locally — no data ever leaves your device.
Which image formats can be converted and optimized offline?
You can compress PNG, JPEG, and WebP images; convert HEIC to JPG, PNG to WebP, SVG to PNG, and WebP to JPG/PNG; strip EXIF metadata; generate Favicons; optimize SVGs; use the Color Picker; and convert images to Base64 data URLs — all processed locally in your browser.
How does the client-side Background Remover work?
The Background Remover runs an ONNX Runtime Web engine directly on your machine's CPU/GPU to analyze images and isolate subjects using machine learning, outputting a transparent PNG. No image data is sent to external AI servers.
What are the limitations of the in-browser video and audio tools?
Because files are processed entirely in browser memory (RAM), video uploads are limited to 100MB to prevent browser tab crashes. You can record your desktop using the Screen Recorder, shift subtitles in SRT/VTT files, convert video clips to animated GIFs, extract audio tracks, trim audio with the Audio Cutter, and generate custom tones — all locally.
Are developer tools like the JSON Formatter and JWT Decoder secure?
Yes. Standard online formatters send your text to servers, which exposes API tokens, personal keys, or private code. Our Developer Tools — including JSON Formatter, SQL Formatter, JWT Decoder, Base64 Encoder, Regex Tester, Hash Generator, and UUID Generator — run entirely client-side, making it safe to format queries and decode sensitive payloads.
Are my text inputs or notepad entries saved anywhere?
No. Text tools like Word Counter, List Sorter, Case Converter, CSV to JSON, Find & Replace, and Remove Duplicates process input in real-time in memory and save nothing. The Online Notepad auto-saves drafts using your browser's localStorage only — your notes stay private on your own device.