A curated collection of developer calculators, network checkers, and bulk image converters. 100% processed in your browser for absolute privacy.
Your files and data are processed directly inside your browser. They are never sent to any server.
Built with modern client-side technologies to deliver near-instant results for converters and compilers.
Use all features, converters, and scanners as much as you need, without registration or ads.
Look up domain registration information and registrant details.
OpenQuery A, AAAA, MX, CNAME, TXT, NS records for any domain.
OpenVerify SSL certificate validity, expiry, and issuer details.
OpenLook up country, city, ISP, and threat intelligence for any IP.
OpenCalculate network address, broadcast, host range, and subnet mask.
OpenFetch and analyze HTTP response headers and security headers.
OpenCheck if specific common ports are open or closed on a host.
OpenDisplay your public IP, reverse DNS, and browser environment variables.
OpenCheck DNS record propagation across Google, Cloudflare, and Local servers.
OpenEncode and decode text using Base64 with optional URL-safe mode.
OpenPercent-encode or decode URL strings (RFC 3986 and form mode).
OpenConvert special characters to HTML entities and back.
OpenInstantly convert between HEX, RGB, and HSL color formats.
OpenConvert CSV to JSON array or JSON objects back to CSV.
OpenBeautify SQL queries and strip escape sequences.
OpenConvert Unix timestamps to human-readable dates and vice versa.
OpenGenerate placeholder text (Lorem Ipsum, Japanese) and image URLs.
OpenTest regular expressions against text and inspect capture groups.
OpenCount characters, bytes, words, and lines in real time.
OpenGenerate MD5, SHA-1, SHA-256, SHA-512 and more hashes at once.
OpenInstantly convert between JSON and XML formats and beautify structured data.
OpenConvert PNG images to WebP format instantly in your browser.
OpenConvert JPEG/JPG images to WebP format instantly in your browser.
OpenConvert large TIFF images to optimized WebP format in your browser.
OpenConvert GIF images to WebP format instantly in your browser.
OpenConvert BMP images to WebP format instantly in your browser.
OpenConvert SVG vector graphics to WebP format instantly in your browser.
OpenConvert WebP images back to PNG format instantly.
OpenConvert WebP images back to JPG format instantly.
OpenConvert WebP images back to TIFF format instantly.
OpenConvert iPhone HEIC/HEIF images to JPG or PNG format instantly.
OpenConvert PDF pages to PNG, JPG, or WebP format instantly in your browser.
OpenConvert vector SVG files to PNG, JPG, or WebP, and wrap images to SVG format.
OpenConvert images to Base64 encoded strings or Data URIs instantly in your browser.
OpenCreate multi-resolution favicon.ico and PWA icons instantly in your browser.
OpenResize PNG, JPG, WebP, GIF, or BMP images in bulk instantly in your browser.
OpenConvert image aspect ratios (1:1, 16:9, 9:16, etc.) in bulk with crop, pad, or fit modes.
OpenRemove solid backgrounds from PNG, JPG, WebP, GIF, or BMP images in bulk instantly.
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