Online Gallery Plugin Store — Free Format Decoders, Media Players & Web Extensions
Welcome to the Online Gallery Plugin Store — an open directory of modular, 100% free, and client-side web tools designed to expand your browser media viewing capabilities. Decode, render, analyze, and convert over 50+ file formats with zero cloud uploads and full privacy.
About Online Gallery Plugins
The Online Gallery Plugin Store allows you to customize your file management experience with specialized decoders and interactive media utilities. Each plugin executes locally in your browser sandbox using modern web standards including WebAssembly, Web Audio API, HTML5 Canvas, and WebCrypto.
Available Plugins & Format Decoders
PDF Viewer & Reader (PDF Viewer)
Description: Open and view PDF documents directly in your browser. Zoom, scroll, and navigate pages — 100% local, no upload.
Category: documents | Version: v2.4.0 | Developer: Official
Supported Formats: .pdf
Size: 1.8 MB | Security Tag: 100% Private
Open PDF Viewer & Reader Online ToolMarkdown Renderer (Markdown)
Description: Render Markdown files (.md) with headings, lists, code blocks, bold, italic, and links in a beautiful formatted view.
Category: documents | Version: v1.9.0 | Developer: Official
Supported Formats: .md, .markdown, .txt
Size: 690 KB | Security Tag: Live Render
Open Markdown Renderer Online ToolCode Syntax Highlighter (Code Viewer)
Description: View source code files with line numbers and syntax coloring. Supports JS, TS, Python, HTML, CSS, JSON, and more.
Category: documents | Version: v1.5.0 | Developer: Official
Supported Formats: .js, .ts, .jsx, .tsx, .py, .html, .css, .json, .xml, .yaml, .sh
Size: 520 KB | Security Tag: Syntax Engine
Open Code Syntax Highlighter Online ToolImage EXIF & Metadata Inspector (EXIF Data)
Description: Extract camera model, ISO, shutter speed, aperture, lens info, dimensions, and file size from photo EXIF data.
Category: images | Version: v1.4.0 | Developer: Official
Supported Formats: .jpg, .jpeg, .png, .tiff, .webp
Size: 480 KB | Security Tag: EXIF Parser
Open Image EXIF & Metadata Inspector Online Tool10-Band EQ & Waveform Visualizer (Audio EQ)
Description: Real-time audio spectrum visualizer with 5-band equalizer, bass boost, vocal presets, and playback speed.
Category: audio | Version: v1.6.0 | Developer: Official
Supported Formats: .mp3, .wav, .flac, .ogg, .m4a, .aac
Size: 820 KB | Security Tag: WebAudio DSP
Open 10-Band EQ & Waveform Visualizer Online ToolExcel & CSV Data Grid Analyzer (Data Grid)
Description: Interactive data grid for CSV and spreadsheet tables. Column sorting, multi-column search filters, and clean CSV export.
Category: documents | Version: v1.5.0 | Developer: Community
Supported Formats: .csv, .tsv, .txt
Size: 950 KB | Security Tag: Local Data Grid
Open Excel & CSV Data Grid Analyzer Online ToolSVG Vector Studio & Code Optimizer (SVG Studio)
Description: Zoomable vector SVG canvas, live XML source code editor with real-time updates, and high-res PNG export.
Category: images | Version: v1.2.0 | Developer: Community
Supported Formats: .svg
Size: 650 KB | Security Tag: Vector Studio
Open SVG Vector Studio & Code Optimizer Online ToolChecksum & Hash Inspector (Checksum)
Description: Hardware-accelerated WebCrypto checksum generator for SHA-256, SHA-1, SHA-384, SHA-512 with instant match verification.
Category: system | Version: v1.0.4 | Developer: Community
Supported Formats: All files
Size: 310 KB | Security Tag: WebCrypto SHA
Open Checksum & Hash Inspector Online ToolVideo Snapshot & Frame Exporter (Video Snapshot)
Description: Step frame-by-frame through any video file (0.05s precision) and capture high-resolution lossless PNG snapshots.
Category: videos | Version: v1.1.2 | Developer: Community
Supported Formats: .mp4, .webm, .mkv, .mov
Size: 1.1 MB | Security Tag: Frame Capture
Open Video Snapshot & Frame Exporter Online ToolColor Palette & Gradient Extractor (Palette Extractor)
Description: Extract dominant color palettes (HEX, RGB, HSL) from any image and generate ready-to-use CSS linear gradients.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .jpg, .jpeg, .png, .webp, .svg
Size: 420 KB | Security Tag: Palette Engine
Open Color Palette & Gradient Extractor Online Tool
Tools by Category
Document & Code Viewers
Open and interact with text, document, and source code files directly in your web browser:
- PDF Viewer & Document Reader — View, zoom, and navigate multi-page PDF documents locally.
- Markdown Renderer Studio — Format and view GitHub-flavored Markdown files (.md) with tables, code blocks, and headings.
- Code Syntax Highlighter — Syntax coloring for JavaScript, TypeScript, Python, HTML, CSS, JSON, and shell scripts.
- Excel & CSV Data Grid Analyzer — Sort, filter, and inspect structured CSV spreadsheet data.
Image & Design Utilities
Inspect metadata, extract color palettes, and optimize vector graphics without software installation:
- Image EXIF & Metadata Inspector — Extract camera settings, ISO, shutter speed, aperture, and dimensions.
- SVG Vector Studio & Code Optimizer — Live vector preview and XML SVG editing.
- Color Palette & Gradient Extractor — Extract dominant HEX/RGB colors and CSS gradients from images.
Audio & Video DSP Tools
Enhance sound playback and capture video snapshots in real-time:
- 10-Band EQ & Waveform Visualizer — Real-time WebAudio equalizer with bass boost, vocal presets, and spectrum analysis.
- Video Frame Snapshot & Exporter — High-precision frame capture for MP4, WebM, and MKV video files.
System & Security Tools
Verify file integrity with cryptographic precision:
- Checksum & Hash Inspector — Compute SHA-256, SHA-1, SHA-384, and SHA-512 hashes using hardware-accelerated WebCrypto.
Key Benefits & Privacy Guarantees
- 100% Client-Side Processing: Your files never touch remote servers. Everything runs strictly in your browser session.
- Zero Cost & No Registration: Every plugin is completely free to install and use without any subscriptions or accounts.
- Instant Installation: Single-click install saves tools into your local browser storage for persistent access across visits.
- Offline Capable: Built with local browser caching so tools remain fully operational without internet connectivity.
- Seamless Online Gallery Integration: Installed plugins appear automatically in your Online Gallery sidebar and toolbar.
How to Install and Use Plugins
- Visit the Plugin Store at gallary.site/store.
- Browse the catalog or filter plugins by category (Documents, Images, Audio, Videos, Design, System).
- Click "Install" on any plugin to add it to your browser workspace.
- Open your files directly through the tool or launch the standalone viewer from the plugins menu.
Frequently Asked Questions (FAQ)
What is the Online Gallery Plugin Store?
The Plugin Store is a central repository of free browser utilities and file format decoders created to extend Online Gallery.
Are plugins free to install?
Yes, all plugins in the store are 100% free with no hidden charges or subscriptions.
Are my files private?
Yes. All file processing happens locally on your computer inside your web browser. No data or files are ever sent across the network.
Can I use these tools standalone?
Yes! Each plugin has its own dedicated URL (such as /plugins/pdf-viewer, /plugins/audio-eq, etc.) where you can use it independently.