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LocalUsta is currently in beta and all tools are free. Some advanced features may become part of a paid plan in the future; we aim to keep the core tools accessible to everyone.
Terms of Service →Create beautiful, customizable QR codes with logos and colors, or scan existing ones. 100% private and runs locally in your browser.
Generate & Scan QR Codes Locally
Everything happens in your browser. Your data, links, and uploaded logos are never sent to our servers. Maximum security guaranteed.
Easily upload your logo, choose custom colors, and change the shape of your QR codes to match your brand identity perfectly.
Download your customized QR codes in high-resolution PNG or scalable vector graphics (SVG) for professional printing and web use.
Scan QR codes from your camera or uploaded images directly on your device, avoiding the risks of third-party server-side scanners.
Choose 'Generate QR' to create a new code from scratch, or 'Scan QR' to read data from an existing image or camera.
Enter your URL or text. Use the styling panel to customize colors, choose dot shapes, and upload your professional logo.
Watch your QR code update instantly as you change settings. Everything is rendered locally in your browser for 100% privacy.
Download your custom QR code in high-resolution PNG or SVG formats. Scanned results can be copied to your clipboard with one click.
We provide a professional, offline-capable QR generation and scanning experience without compromising your privacy or data security.
Everything you need to know about the LocalUsta Tools platform.
Encode and decode strings, files, or binary data locally in your browser with high performance and automatic MIME type detection.
Generate highly secure passwords and measure their strength offline.
Professional developer tool to encode, decode, and parse URLs. Edit query parameters and path segments dynamically, generate code snippets, and scan for security issues.
Professional video editing and conversion directly in your browser with FFmpeg.wasm.
Compress, resize, and remove metadata from images 100% locally in your browser.
Compress and optimize images to WebP and AVIF format completely offline in your browser with real-time visual comparisons.
Professional browser-based Secure PDF tool. Sign documents, merge files, sanitize metadata, and compress PDF with 100% client-side security. No uploads, total privacy.
Safely record your screen, webcam, and microphone entirely inside your browser without server uploads. 100% Private.
Create custom placeholder images for your design mockups and web development instantly without external dependencies.
Convert between CSV and JSON formats locally in your browser with separator selection and parsing options.
Secure Diff Checker
Format and minify complex SQL queries instantly in your browser.
A high-fidelity unit conversion tool for developers. Convert Data, Time, and CSS units (PX to REM/EM) instantly.
Build, test, and master regular expressions with a comprehensive cheat sheet and real-time match highlighting.
Generate and verify MD5, SHA, BLAKE3, CRC32 and Argon2 hashes for text and files.
Generate, parse, verify, and benchmark Bcrypt and Argon2 password hashes safely in your browser. 100% private.
A secure scratchpad that runs entirely in your browser. Stays saved even if you close your device, but never uploaded to the internet.
Analyze your domain's DNS records (A, MX, TXT, CNAME) in real-time across Google & Cloudflare. Perform free security health checks for SPF, DMARC, and DNSSEC.
Discover, analyze, and map IPv4 and IPv6 addresses. Instantly audit network owner, ASN, CIDR block, Internet Service Provider (ISP), hosting vs residential status, and raw RDAP records in real-time.
Convert Unix timestamps to ISO 8601, UTC, local time, and more. Supports seconds and milliseconds timestamps with real-time updates.
Transform your text into camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, and more. Support for bulk conversion and auto-detection.
Convert client-side terminal cURL commands into clean JavaScript Fetch or Axios requests instantly.
Generate secure cron expressions visually using intuitive dropdown selectors or parse and translate cron strings into plain human-readable language instantly.
Test and debug your local development APIs (localhost) completely offline in your browser. Send custom HTTP requests with headers, parameters, and payloads instantly.
Securely decode and analyze your SSL/TLS certificates (.crt, .pem) entirely offline in your browser.
Write Markdown with side-by-side GitHub-styled preview, or convert HTML to Markdown instantly.
Create gorgeous multi-layered CSS box shadows, text shadows, linear/radial gradients, and glassmorphism presets completely offline.
In an era where data privacy is paramount, traditional online QR generators pose a risk by storing your data on third-party servers. LocalUsta Secure QR ensures that your text, URLs, and logos never leave your browser. By utilizing advanced client-side rendering, every QR code is generated locally on your device. Whether you are creating a branded QR code for business or scanning sensitive data, our offline-capable engine provides the ultimate security without compromising on design quality or customization options.