Browser-Native Utilities.
Zero Latency. Zero Bloat.
Production-grade web utilities engineered for creators, designers, and developers. Compress images losslessly, generate contrast-checked palettes, format JSON, and inspect files with zero cloud uploads.
Compressify — Batch Image Optimizer
Bulk optimize PNG, WebP, JPG, AVIF, and SVG files. Features byte-exact target sizing, lossless DEFLATE scanline heuristics, and ZIP download.
Color Picker & Palette Engine
Extract colors with screen eyedropper or mobile loupe, convert HEX/RGB/HSL/CMYK, test contrast, and export full CSS/Tailwind design tokens.
Sketch Canvas Studio
Freehand velocity fountain pens, vector shapes, pastel sticky notes, and media annotation with Document Picture-in-Picture floating mode.
Disk Space Analyser
Visualize folder hierarchies with interactive treemaps, locate space hogs, and audit disk usage safely without installing third-party desktop tools.
All Utilities
Launch directly inside your browser. No signups, zero API keys, zero watermarks.
Color Picker Online
Professional online color picker with native screen eyedropper, mobile touch loupe, image color extractor, multi-format converter (HEX, RGB, HSL, HSV, CMYK), WCAG contrast checker, instant color harmonies, and multi-source code export.
Client-Side Image Compressor
Compress PNG, JPG, and WEBP images instantly in your browser without sacrificing quality.
Compressify - Batch Image Optimizer
Bulk compress and resize PNG, JPG, WEBP, and AVIF images losslessly or to an exact target file size, right in your browser.
JSON Diff Online
High-performance online JSON diff and comparison engine. Compare multiple JSON streams side-by-side with hierarchical tree matrix, line diff, instant syntax auto-repair, semantic filters, and patch generation.
Space Analyser
Visualize and analyze disk storage usage with interactive squarified treemaps, hierarchical folder trees, and file type analytics. 100% private in-browser scanning.
SVG Viewer & Code Editor
Inspect, edit, preview, and format SVG files in real-time. Client-side, privacy-first vector editor with element inspector and live transformations.
SVG Optimizer & SVGO Minifier
Compress and minify SVG vector files up to 70%. Strip redundant XML tags, simplify precision, and eliminate Illustrator/Figma metadata.
SVG to PNG Converter
Convert SVG vectors to high-DPI transparent PNG images. Select 1x, 2x, 4x, or 8x Retina scale with customizable background color.
SVG to JPG Converter
Convert SVG vector files to lightweight JPG images with configurable background color and JPEG compression quality.
SVG to WebP Converter
Convert vector SVG graphics into modern WebP images with superior compression and alpha transparency support.
SVG to React JSX / TSX & React Native Component Generator
Transform raw SVG XML code into clean React TypeScript (TSX) and JSX components with camelCase attributes and customizable props.
SVG to CSS Data URI & Base64 Converter
Convert SVG code to optimized UTF-8 Data URI, Base64 strings, and ready-to-use CSS background-image declarations.
SVG Syntax Validator & Accessibility Linter
Validate SVG XML structure, catch syntax errors, missing namespaces, unclosed tags, and accessibility (a11y) issues.
Visual SVG Diff & Code Comparison Tool
Compare two SVG vector graphics side-by-side or with interactive overlay swipe slider to detect subtle visual and code changes.
SVG Icon Sprite Sheet Generator
Combine multiple SVG icons into a single, high-performance SVG sprite sheet using <symbol> definitions and <use> tags.
Gamepad Tester & Controller Diagnostic Lab
Test Xbox, PlayStation, Nintendo Switch, and PC controllers in real time. Diagnose stick drift, circularity, polling rate, dual rumble motors, and button latency.
Sketch Canvas Online
Free online floating whiteboard and sketch canvas. Draw with velocity-sensitive fountain pens, vector shapes, pastel sticky notes, and annotate media with always-on-top Picture-in-Picture.
Sample File Generator Online
Generate custom sample and dummy files across 45+ formats (PDF, DOCX, XLSX, Images, Audio, Video, Archives, Code) with exact target byte sizing and customizable content density for QA testing.
Engineered for Privacy & Raw Speed
Everything runs directly on your hardware with modern WebAssembly and Canvas pipelines.
100% Client-Side Execution
Zero network upload delays. Sensitive images, API keys, JSON payloads, and text snippets never leave your browser's sandboxed environment.
DEFLATE & Perceptual Filtering
Advanced scanline heuristics and continuous perceptual smoothing eliminate color banding and dithering noise, delivering smooth compression curves.
Instant Bookmark Workflow
Press CTRL+D anytime to keep your favorite utilities one keystroke away.
Frequently Asked Questions
Everything you need to know about privacy and performance on BookmarkedTools.
Are my files, images, or data uploaded to an external server?
How does the lossless PNG and image compression engine work?
Can I use BookmarkedTools offline without an internet connection?
Is there any usage limit, paywall, or required subscription?
How do I sample colors on touchscreens and mobile devices?
Bookmark your favorite tools now.
Add BookmarkedTools to your browser bookmarks bar with CTRL+D for instant access anytime.