Get Work Done in Your Browser — No Downloads, No Waiting
One free platform, completely local processing, protecting your privacy. No login needed, no files uploaded to servers.
Product Demo Video Dynamic Focus Editor
Free online video editor built for product demos and screen recordings — Dynamic Focus (Smooth Zoom) guides viewers' eyes to key actions, eliminating the 'tiny cursor on full screen' problem. CapCut-style timeline + speed ramp + volume control, macOS wallpaper backgrounds + rounded shadows + blur BG. Browser-based Screen Studio / OpenScreen / Cap alternative. WebCodecs GPU export, no install, 100% private.
AI Background Remover & Global ID Photo Maker
AI one-click background removal with 12-country ID photo presets: US passport/visa 2×2in, UK/EU/Schengen 35×45mm, Japan resume & driver's license, Korea ARC, Canada passport 50×70mm, India Aadhaar, China 1-inch/2-inch/ID card, and more. Swap blue/red/white backgrounds, drag to position, export print-ready photos. 100% local AI processing.
Free Online JSON Formatter & Beautifier
Free online JSON formatter and beautifier tool. One-click format messy JSON data with syntax highlighting, auto-indent, error detection, expand/collapse, copy to clipboard. Essential developer tool for API debugging and config file viewing.
Cross-Device File Transfer
Share files and text between phones, computers, tablets on the same WiFi instantly. P2P encrypted - no login, no server, zero intermediaries. Works on Android, Apple, and desktop.
All Tools
Free Image Editing Tools
Compress, convert, enhance — solve all your image editing needs in one place. Shrink 50MB images to 2MB, remove backgrounds in one click. All processing in your browser, zero data upload.
Online Image Compression
50MB image to 5MB in one click, quality unchanged. JPG, PNG, WebP - all formats supported. Batch processing, local compression, zero privacy concerns.
Online Image Format Converter
Support JPG, PNG, WebP, AVIF and other mainstream image format conversion. Batch processing, high quality output, completely free. Privacy protection with local processing without server upload.
Image Resize Tool
Professional image resizing tool supporting smart scaling, cropping, stretching and other modes. Lock aspect ratio, maintain image quality, suitable for avatar creation, website optimization and other scenarios.
AI Background Remover & Global ID Photo Maker
AI one-click background removal with 12-country ID photo presets: US passport/visa 2×2in, UK/EU/Schengen 35×45mm, Japan resume & driver's license, Korea ARC, Canada passport 50×70mm, India Aadhaar, China 1-inch/2-inch/ID card, and more. Swap blue/red/white backgrounds, drag to position, export print-ready photos. 100% local AI processing.
Online QR Code Generator
Turn links, WiFi, business cards into QR codes. Free color, style, and logo customization. Perfect for marketing, events, brand display - generate in seconds.
Fixed Height & Custom Split Lines
Long image splitter with fixed-height and custom split line modes. Click to add lines, drag to adjust — precisely separate QR codes and button areas. Perfect for WeChat article images, comic pagination, long screenshot segmentation.
iPhone Long Image Stitcher
Professional iPhone long image stitching tool that combines multiple screenshots into one complete long image in sequence. Uses first image width as baseline, automatically adjusts subsequent image sizes, perfectly solving iPhone's inability to scroll screenshot.
Movie Subtitle Image Stitcher
Crop subtitle bands from movie or TV screenshots and stack them into one vertical long image. Drag anchors on the first frame, align row order with per-segment previews, preview the full stitch, then download—all in your browser. Great for language study, dialogue archives, and meme frames.
Document Conversion Tools
Convert Word to PDF, Markdown to WeChat articles, document format conversion. One-click completion with perfect formatting. No file uploads, all processing locally in your browser.
Markdown to WeChat Article
Turn Markdown into publication-ready WeChat articles in seconds. Auto-formatting, code highlighting, table styling. Choose from multiple themes. Say goodbye to WeChat formatting headaches.
Markdown to Xiaohongshu Cards
Convert Markdown to beautiful Xiaohongshu knowledge cards. Auto-pagination, multiple themes, 3:5/1:1 ratios. Export HD images. Turn tech articles and book notes into viral Xiaohongshu posts.
Word to PDF
Convert Word to PDF instantly, preserving layouts, fonts, and images perfectly. No software needed, convert directly in your browser. Secure and reliable - your documents never touch our servers.
Free Online Markdown Converter
Free online Markdown converter tool. Transform Markdown files to HTML, PDF, PNG, JPG, WebP images in seconds. Multiple themes, code syntax highlighting, light/dark modes. Perfect for tech blogs, academic papers, product documentation.
PDF Compress/Merge/Split
Free online PDF compressor — especially effective for image-heavy and scanned PDFs, reducing multi-MB scanned documents to 10%-30% of original size. Also supports PDF merge and split. 100% browser processing, no upload, fully private.
Developer Tools
Professional developer tools collection providing essential utilities for programmers and developers in daily development. Including URL encoding/decoding, JSON formatting and other common functions to improve development efficiency.
Cross-Device File Transfer
Share files and text between phones, computers, tablets on the same WiFi instantly. P2P encrypted - no login, no server, zero intermediaries. Works on Android, Apple, and desktop.
URL Encoder Decoder Tool
Professional URL encoding and decoding tool supporting URL and URI component conversion. Handles special characters, Chinese characters and other URL parameters, ensuring correct URL format for web development and API debugging.
Free Online JSON Formatter & Beautifier
Free online JSON formatter and beautifier tool. One-click format messy JSON data with syntax highlighting, auto-indent, error detection, expand/collapse, copy to clipboard. Essential developer tool for API debugging and config file viewing.
JSON Validator
Professional JSON validation tool that pinpoints syntax errors by line and column number with intelligent fix suggestions. Supports auto-fix for common errors (trailing commas, single quotes, comments). Essential for debugging API responses and config files.
JSON YAML XML CSV Converter
Free online data format converter supporting bidirectional conversion between JSON, YAML, XML, and CSV in any combination. Smart format detection, one-click conversion for API development, config migration, and data import/export.
Base64 Encode Decode Tool
Professional Base64 encoding and decoding tool supporting UTF-8 text and Base64 string conversion. Ideal for data transmission, API development, image embedding and more.
Regex Tester
Professional online regex testing tool. Real-time match highlighting, g/i/m/s flags support, built-in common regex patterns. Essential debugging tool for frontend, backend, and data developers.
Text Diff
Free online text diff tool. Compare two texts line by line with highlighted additions, deletions, and changes. Great for code comparison.
Professional Video Processing
Free online video processing tools collection supporting video format conversion, editing, compression, merging functions. Supports MP4, AVI, MOV and other mainstream formats, no software download required, browser-based usage.
MP4/MOV Video Compressor
Compress MP4, MOV, M4V videos online with browser-native WebCodecs hardware acceleration. No software to install. Custom resolution and compression ratio, up to 80% smaller, visually lossless. Perfect for messaging, email, social media.
MOV to MP4 / M4V to MP4
Convert iPhone MOV to MP4, iTunes M4V to MP4, or MP4 to MOV — browser-native WebCodecs hardware acceleration, no software needed, instant local conversion.
Video to GIF Meme Maker
Convert MP4/MOV/WebM to GIF with precise clip selection, text overlay for memes, reverse/boomerang effects, and spatial cropping. Customize FPS, colors, size — pure browser processing.
Online Audio Editor
Free online audio editor. Visual waveform trimming, iMovie-style drag fade in/out, volume visualization, silence detection, MP3/WAV export. 100% browser processing, privacy safe.
Product Demo Video Dynamic Focus Editor
Free online video editor built for product demos and screen recordings — Dynamic Focus (Smooth Zoom) guides viewers' eyes to key actions, eliminating the 'tiny cursor on full screen' problem. CapCut-style timeline + speed ramp + volume control, macOS wallpaper backgrounds + rounded shadows + blur BG. Browser-based Screen Studio / OpenScreen / Cap alternative. WebCodecs GPU export, no install, 100% private.
Online 3D Tools
Preview, convert, and create 3D content in your browser. Support GLB, GLTF, STL, OBJ formats, 3D model conversion, 3D text generation. No software needed.
Free Online GLB/GLTF 3D Model Viewer
Free online 3D model viewer supporting GLB and GLTF formats. Upload and preview instantly with 360° rotation, zoom, and animation controls. No Blender, Maya, or any software needed. Built for designers, game developers, and 3D printing enthusiasts.
Free Online STL Viewer
Free online STL file viewer for 3D printing. Upload and preview STL models with rotation, zoom, and model statistics. Check your 3D print files before slicing — no software needed.
Free Online FBX 3D Model Viewer
Free online FBX viewer. Upload or load from URL to preview Autodesk FBX models with skeletal and camera animation playback, multiple animation clips, six standard views, and model stats export. Rendered locally in your browser.
Free Online USDZ/USD 3D Model Viewer
Free online viewer for USDZ, USDA, USDC, and USD. Upload or load from URL, with orthographic-style view presets and model stats export. 100% local processing — ideal for AR pipelines and quick USD asset checks.
Free Online 3D Model Format Converter
Free online 3D model format converter supporting STL, OBJ, GLB, GLTF, PLY, FBX, DAE input. Export to GLB, USDZ, STL, OBJ, PLY instantly in your browser. No upload to servers, 100% privacy protected.
Free Online 3D Model Optimizer
Optimize GLB, GLTF, STL, OBJ, FBX in the browser: merge vertices, ratio-based triangle reduction, max texture size, preview, and download GLB. 100% local processing.
Free Online 3D Text Generator
Free online 3D text generator. Type text and instantly create 3D typography with customizable fonts, depth, bevel, materials, and colors. Export as GLB, STL, OBJ for 3D printing, web, and game development.
Practical Magic
Creative and practical magic tools collection providing various interesting and useful functions to help improve work efficiency and life convenience. Explore more possibilities and discover the magic power of tools.
Online Lottery Tool
Company party, event, classroom - launch lottery instantly. Batch import names, repeat drawing, save results. Completely fair, impossible to cheat. Everyone trusts the outcome.
Heartbeat Effect
Add warmth to special moments. Valentine's Day, birthday, anniversary - beating hearts, colorful fireworks, warm words. Confess, celebrate, thank, wish - all on one page.
Qingming Memorial Page
Solemn memorial space recording thoughts of the departed. Simple, respectful design, warm words, eternal remembrance for family and friends.
Online Mini Games
Casual games, brain teasers, immersive experiences. Anytime, anywhere, no download needed, play in your browser.
Online Maze Game
Carefully designed maze games with multiple difficulty levels to exercise spatial thinking and logical abilities. Auto-generated mazes with unlimited challenges for puzzle entertainment.
Classic Snake Game
Classic nostalgic Snake game to relive childhood memories. Easy to learn, supports keyboard and touch controls, challenge high scores suitable for all ages.
Solar System in Hand
Innovative gesture-controlled solar system 3D visualization tool. Use camera to recognize gestures: fist to rotate universe, pinch to zoom view. Immersively explore the solar system's eight planets with unprecedented cosmic interaction.
Free Online Go Game
Free online Go (Weiqi/Baduk) game with intelligent AI opponent. Play on 9x9, 13x13, or 19x19 boards with multiple difficulty levels. No download needed - play Go directly in your browser on desktop or mobile. Exercise strategic thinking and experience the ancient art of Go.
Free Online Gomoku Game
Free online Gomoku (Five in a Row) game with powerful AI opponent. Three difficulty levels from beginner to expert. No download needed - play directly in your browser on desktop or mobile. Challenge the AI anytime, anywhere.
Classic Tetris Game
Classic Tetris game, relive childhood memories. Supports keyboard and touch controls, scoring system, level progression, challenge high scores.
Go Tsumego Puzzles
Practice Go (Weiqi/Baduk) life and death problems online for free. 20 carefully crafted tsumego puzzles from beginner to intermediate. Interactive board, instant feedback, hints and answers. Improve your Go reading skills in your browser.
AI Skills
The webmaster's open-source AI Agent Skills collection. Install new capabilities into Cursor, Claude Code, Windsurf and other AI coding assistants with a single command. No complex configuration needed.
whoami - Cross-AI Identity Sync
Cross-AI user identity profile sync service. Create one profile and every AI agent — Cursor, Claude, Codex, Windsurf — instantly knows your name, skills, preferences, and work style.
Idea → MVP
A complete product development skill that guides you from inspiration discovery to idea validation and MVP implementation. Search trending products, validate feasibility, and build with your preferred tech stack.
Zhongjie
Turn your AI assistant into an experienced house-buying advisor. Understand your needs through natural conversation, research properties from multiple sources, and display recommendations on an interactive browser dashboard.
GA & Search Improve
Analyze website data via Google Search Console and Google Analytics 4 APIs, automate site audits, and generate data-driven improvement reports with prioritized action items.
Local Processing
Your data stays on your device
Lightning Fast
No waiting, no uploads
Completely Free
No login, no limits