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 →Generate Custom Images
Generate images instantly in your browser without waiting for network requests or external services.
Easily change width, height, background color, text color, and add custom text.
Export your generated placeholders as high-quality PNGs or scalable SVG vectors.
Enter the desired width and height for your placeholder image.
Pick a background color and text color that fits your design.
Optionally enter custom text to be displayed in the center. If left blank, the dimensions will be shown.
Click to download the image as PNG or SVG, or simply copy the SVG code to your clipboard.
LocalUsta Placeholder Image Generator is a fully browser-based, offline, and privacy-first utility. Create dummy images in any custom dimension, color scheme, or layout with custom typography in seconds—without sending a single byte of data to external servers. Offering clean PNG exports and infinitely scalable vector SVG downloads, it is the ultimate fast, secure, and modern mock image solution for front-end developers, web designer workflows, and UI/UX mockups.
Everything you need to know about the LocalUsta Tools platform.
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.
Encode and decode strings, files, or binary data locally in your browser with high performance and automatic MIME type detection.
Create gorgeous multi-layered CSS box shadows, text shadows, linear/radial gradients, and glassmorphism presets completely offline.
Professional video editing and conversion directly in your browser with FFmpeg.wasm.
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.
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.
Create beautiful, customizable QR codes with logos and colors, or scan existing ones. 100% private and runs locally 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 highly secure passwords and measure their strength offline.
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.
Professional developer tool to encode, decode, and parse URLs. Edit query parameters and path segments dynamically, generate code snippets, and scan for security issues.
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.