终极零服务器 Web 工具箱
集合海量纯前端实用工具。极速、隐私优先、且 100% 免费。 Every tool runs instantly in your browser. No server uploads. No privacy risks.
100% Secure
Files never leave your device. All processing is local.
Blazingly Fast
Zero upload times. Instant results directly in your browser.
Forever Free
No signups, no subscriptions, no hidden limits.
PDF Tools
Solve Your PDF Problems
Image Tools
Solve Your Image Problems
Video Tools
Solve Your Video Problems
AI Tools
Solve Your AI Needs
Users
Converted
Tools
Created
Free Tools You'd Usually Pay For
No Limits, No Sign-Up
Here's our featured tools
PDF Merger
Combine multiple PDFs quickly and easily with our free local PDF tool.
Learn moreRemove the Background
Background Remover
Remove or change the background on a photo instantly using AI.
Learn moreAI Image Generator
Image Generator
Generate stunning images from your imagination using advanced AI.
Learn moreAI Paragraph Writer
Draft perfect paragraphs instantly with our intelligent writing assistant.
Learn more🔥 Most Popular Tools
PDF Merger
Combine multiple PDF documents into a single file locally.
YouTube Thumbnail Grabber
Extract high-resolution thumbnails from any YouTube video instantly.
Video Converter
Convert videos between MP4, WebM, AVI, MOV, and GIF formats, all in your browser.
EXIF Privacy Scrubber
Strip GPS location and camera data from your photos before sharing.
Image Compressor
Compress JPEG, PNG, and WebP images to reduce file size while keeping quality.
Hash Generator
Generate MD5, SHA-256, and SHA-512 hashes instantly offline.
CSV Editor & Viewer
View, edit, add, and delete rows in CSV/Excel files. Export as CSV or XLSX.
Bcrypt Generator
Hash passwords and verify strings against Bcrypt hashes locally.
Regex Tester
Test, debug and evaluate JavaScript regular expressions in real-time.
Pomodoro Timer
Use the Pomodoro Technique to stay focused and get more done with customizable work intervals.
Universal Unit Converter
Instantly convert between metric and imperial units for length, weight, volume, and temperature.
Barcode Generator
Generate customized UPC, EAN, CODE128, and CODE39 barcodes instantly.
Frequently Asked Questions
Everything you need to know about OmniToolbox
Is OmniToolbox completely free?
Yes! All 176+ tools on OmniToolbox are completely free to use. There are no subscriptions, no paywalls, and no hidden fees.
Are my files and data safe?
Absolutely. We use cutting-edge WebAssembly (WASM) and browser technologies to process your files locally on your device. We never upload your images, PDFs, or code to our servers. Your data remains strictly private.
Do I need to create an account?
No registration is required. You can start using our developer utilities, image converters, and PDF tools instantly without signing up or providing any personal information.
What kind of tools do you offer?
OmniToolbox provides a comprehensive suite of utilities including Developer Tools (Base64, JWT decoders, Hash generators), Image & Video Converters, PDF tools (Merge, Compress), and Text/Formatting utilities. It is the ultimate Swiss Army knife for creators and software engineers.