Các hướng dẫn chuyên sâu về nén ảnh, công cụ AI, quyền riêng tư và hiệu suất web.
Pick any color from your screen or images with our free browser-based color picker. Get HEX, RGB, HSL, CMYK codes instantly - no extension needed.
Generate every favicon size, the ICO file, the web manifest, and ready-to-paste HTML in a single click. 100% free, runs entirely in your browser.
Encode images to Base64 and Data URIs - or decode Base64 back to images - instantly in your browser. No upload, no signup, no character limits.
View EXIF, IPTC, XMP, and GPS data from any photo with a free in-browser metadata viewer. Includes privacy risk analysis and one-click strip.
Master HEX color codes with our comprehensive guide for designers. Learn values, usage, and pick colors easily with OptiPix.
Annotate screenshots in your browser with arrows, text, blur regions, highlights, and numbered markers. No signup, no upload, copy straight to your clipboard.
Create compliant passport, visa, and ID photos for 30+ countries - with face detection, AI background removal, and a print-ready 4×6 sheet. 100% in-browser.
RGB vs HEX vs HSL: Understand color formats and choose the right one for your design needs. Learn with OptiPix.
Scan documents in your browser with perspective correction, B&W mode, and multi-page PDF export. No camera-roll permissions, no app, no upload - just open the page.
Convert any image into ASCII text art - colored, monochrome, or Unicode block art. Free, fast, in-browser. Copy or download as TXT, PNG, HTML, or SVG.
Learn to effortlessly pick colors from any website with OptiPix Color Picker. No uploads, just pure browser power.
Compare two images with a slider, side-by-side, overlay, diff, or onion skin view. Get pixel-level statistics and highlight every difference - all in your browser.
Generate a packed sprite sheet from multiple PNGs and get ready-to-use CSS, JSON, and SCSS in one click. Free, in-browser, with bin-packing layout.
Discover the best color picker tools for designers in 2026. Learn why browser-based tools like OptiPix are essential for privacy and efficiency.
Erase objects, people, text, and watermarks from photos with brush-and-fill inpainting. Free, in-browser, no upload, no signup, no watermark.
Stitch photos into panoramas - simple side-by-side join or smart NCC overlap stitching - entirely in your browser. Free, no upload, no signup.
Stop installing browser extensions! Use OptiPix's free online Eye Dropper tool for instant color picking without uploads.
Create GIFs from videos or image sequences, optimize file size, and convert GIFs to MP4 - all in your browser. Free, no upload, no watermark.
Build photo collages from 30+ templates with full control over spacing, borders, and backgrounds. Free, in-browser, no signup, no watermark, no upload.
Stop guessing! Learn how to precisely identify and extract any color from an image with OptiPix's free browser-based tool.
Crop images to any aspect ratio or shape - circle, heart, star, hexagon, custom - entirely in your browser. Free, no upload, no signup, no watermark.
Create memes from 100+ classic templates or upload your own. Free, no signup, no watermark, no upload - runs entirely in your browser.
Master your brand's visual voice. Learn how to use the OptiPix Color Picker for precise, consistent brand identity color matching.
Replace any color in a photo with one click. Pick a target color, choose a new one, adjust the tolerance, and the swap happens in your browser. Free, no upload.
Turn any photo into pencil sketch, oil painting, comic, watercolor, mosaic, and 8 more art styles - all in your browser. Free, no upload, no signup.
Master WCAG contrast with OptiPix's Color Picker. Ensure accessibility in design with our in-browser contrast checker. No uploads needed!
Remove grain and noise from photos using non-local means denoising - all in your browser. Works on low-light shots, ISO noise, and JPEG compression artifacts.
Restore old photos in your browser - fix scratches, faded colors, yellowing, and colorize black & white. Free, no signup, no upload, no watermark.
Unlock the power of color psychology in your marketing and design. Learn how colors influence perception and emotion with OptiPix.
Convert raster images (PNG, JPEG, WebP) to scalable SVG vector graphics in your browser. Free, no upload, no signup. Perfect for logos, icons, and line art.
Effortlessly convert Pantone colors to HEX codes with OptiPix. Learn the why and how of color conversion for your design projects.
Extract stunning color palettes from any photo with OptiPix Color Picker. Free, browser-based, no uploads.
Master web design with OptiPix's free, in-browser color picker. Extract, convert, and refine colors without uploads.
Unlock print clarity! Understand CMYK vs RGB color models and when to use each for your printing projects. Optimize your designs.
Master color harmony with essential rules. Unlock stunning designs using OptiPix's free, browser-based Color Picker.
Master dark mode UI design by picking the right colors. Learn strategies and use OptiPix Color Picker for browser-based color selection.
Unlock inclusive web design with accessible color combinations. Learn contrast, use tools, and create beautiful, usable sites.
Discover 2026's top web design color trends. Get inspired and find your perfect palette with the OptiPix Color Picker.
Master gradient creation with OptiPix's Gradient Color Picker. Learn precise color selection and blending for stunning visual designs.
Find color codes without browser extensions. The OptiPix Color Picker is fast, free, and private – no uploads needed.
Master favicons for every platform with OptiPix. Learn how to create perfect icons for browsers, apps, and more. Free, in-browser tool.
Learn how to add a favicon to your website with OptiPix's free browser-based generator. Boost branding and user experience instantly.
Master favicon sizes! Learn why multiple sizes matter and how to generate them easily with OptiPix's browser-based tool.
Unlock the secrets of the ICO file format and learn how to create perfect favicons for your website with OptiPix.art.
Learn how to add a custom favicon to WordPress with OptiPix's free, browser-based generator. Boost your brand's visual identity easily.
Master favicon setup for React & Next.js. Learn best practices and use OptiPix's free, browser-based generator for perfect icons.
Master Apple Touch Icons! Learn setup, best practices, and how OptiPix.art's free generator simplifies the process without uploads.
Unlock PWA potential with our guide to Web App Manifest icons. Learn best practices and generate icons with OptiPix.
Master favicon best practices for 2026. Learn about sizes, formats, and how to create perfect favicons locally with OptiPix.
Learn to create professional favicons from your logo with OptiPix. Fast, free, browser-based, no uploads needed.
Does your favicon impact SEO? Get the real story and learn how to create the perfect favicon for your site with OptiPix.
Learn to create eye-catching animated favicons easily with OptiPix.art's browser-based tool. No uploads, just creativity!
Add a custom favicon to your Shopify store easily with OptiPix. Learn why it matters and how to do it without uploads.
Learn about SVG favicons: browser support, implementation, and why they're superior. Use OptiPix Favicon Generator for easy SVG creation.
Master dark mode favicons! Learn how adaptive icons create seamless branding across light and dark themes with OptiPix.
Ensure your favicon looks perfect everywhere. Learn how to test favicons across browsers with OptiPix's free, privacy-first tool.
Generate a favicon from any emoji in seconds with OptiPix.art. No uploads, no hassle. Get your unique site icon now!
Learn how to create and add a favicon to your GitHub Pages site with OptiPix's free, browser-based Favicon Generator. No uploads needed!
Master browserconfig.xml for Windows tile icons. Learn how to implement custom favicons for your website's presence on Windows 10/11. Free tool included!
Is your favicon missing? Our complete guide helps you troubleshoot why your favicon isn't showing and how to fix it, with tips from OptiPix.