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, preview, and play 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 & Document Reader (PDF Reader)
Description: Open, view, and read PDF documents directly in your browser. Zoom, scroll, search pages with 100% privacy and zero file uploads.
Category: documents | Version: v2.4.0 | Developer: Official
Supported Formats: .pdf
Size: 1.8 MB | Security Tag: 100% Private
Open PDF Viewer & Document Reader Online ToolMarkdown Renderer Studio (Markdown Viewer)
Description: Render GitHub-flavored Markdown (.md) with live formatting, headings, checklists, code blocks, and formatted tables.
Category: documents | Version: v1.9.0 | Developer: Official
Supported Formats: .md, .markdown, .txt
Size: 690 KB | Security Tag: Live Render
Open Markdown Renderer Studio Online ToolCode Syntax Highlighter (Code Viewer)
Description: Inspect source code files with line numbers and syntax coloring for JS, TS, Python, HTML, CSS, JSON, YAML, and Shell scripts.
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 Inspector)
Description: Extract camera model, ISO, shutter speed, aperture, lens info, dimensions, and date taken from photo EXIF metadata.
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 ToolRAW Photo Ultra Decoder (RAW Decoder)
Description: High-resolution camera RAW image processor with RGB histogram, exposure adjustments, and lossless export for Canon, Nikon, Sony, and DNG files.
Category: images | Version: v2.1.0 | Developer: Official
Supported Formats: .raw, .cr2, .nef, .arw, .dng
Size: 1.4 MB | Security Tag: RAW Engine
Open RAW Photo Ultra Decoder Online ToolPhotoshop PSD & Layer Explorer (PSD Explorer)
Description: Inspect Adobe Photoshop layer stacks, toggle layer visibility, inspect blend modes, and export PNG slices without Adobe Photoshop.
Category: images | Version: v1.8.4 | Developer: Official
Supported Formats: .psd, .psb
Size: 920 KB | Security Tag: PSD Layer Parser
Open Photoshop PSD & Layer Explorer Online ToolSVG Vector Graphic Viewer & Inspector (SVG Viewer)
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 Viewer
Open SVG Vector Graphic Viewer & Inspector Online ToolUniversal Video Codec & Stream Engine (Universal Video)
Description: Hardware-accelerated MSE demuxing and WebAssembly decoding for MKV, AVI, TS, M2TS, FLV, WMV, VOB, MXF, 3GP, and 18+ video formats.
Category: videos | Version: v2.0.0 | Developer: Official
Supported Formats: .mp4, .mov, .mkv, .webm, .avi, .ts, .m2ts, .3gp, .flv, .ogv, .wmv, .asf, .vob, .mxf, .3g2, .f4v, .mpg, .mpeg
Size: On-Demand | Security Tag: Hardware MSE + WASM
Open Universal Video Codec & Stream Engine Online Tool4K HEVC & H.265 Hardware Codec (4K Player)
Description: GPU-accelerated smooth playback for 4K HDR and H.265/HEVC video files with 300% audio volume booster and frame-by-frame stepper.
Category: videos | Version: v3.0.1 | Developer: Official
Supported Formats: .mkv, .mp4, .hevc, .mov, .webm
Size: 2.1 MB | Security Tag: GPU Hardware Codec
Open 4K HEVC & H.265 Hardware Codec Online ToolSubtitle Track Viewer & Audio Sync (Subtitle Viewer)
Description: Auto-detect subtitles, sync timing offsets with millisecond precision, edit cue text, and export synced SRT/VTT files.
Category: videos | Version: v2.0.5 | Developer: Community
Supported Formats: .srt, .vtt, .ass, .mkv
Size: 710 KB | Security Tag: Subtitle Viewer
Open Subtitle Track Viewer & Audio Sync Online Tool10-Band EQ & Waveform Visualizer (Audio EQ)
Description: Real-time audio spectrum visualizer with 5-band / 10-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 ToolFLAC & Lossless Audio Inspector (FLAC Inspector)
Description: Inspect 24-bit studio audio parameters, extract embedded album artwork, read Vorbis tags, and view frequency spectrum.
Category: audio | Version: v1.3.0 | Developer: Official
Supported Formats: .flac, .alac, .wav, .m4a
Size: 540 KB | Security Tag: Hi-Res Audio (24-bit)
Open FLAC & Lossless Audio Inspector Online ToolExcel & CSV Data Grid Analyzer (Data Grid)
Description: Interactive data grid for CSV, TSV, 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 Tool3D CAD & Mesh Viewer (STL/OBJ) (3D CAD Viewer)
Description: Interactive 3D WebGL mesh renderer with orbital 360° rotation, wireframe mode, bounding dimensions, and snapshot export for 3D printing.
Category: design | Version: v1.7.0 | Developer: Official
Supported Formats: .stl, .obj, .gltf
Size: 2.4 MB | Security Tag: 3D Canvas Mesh
Open 3D CAD & Mesh Viewer (STL/OBJ) Online ToolFigma & Sketch Asset Extractor (Design Extractor)
Description: Inspect UI design kits, extract color HEX tokens, font hierarchies, and export SVG/PNG component assets without design software.
Category: design | Version: v1.1.0 | Developer: Community
Supported Formats: .fig, .sketch, .xd, .svg
Size: 1.0 MB | Security Tag: Design Tokens
Open Figma & Sketch Asset Extractor Online ToolZip & Archive Unpacker Engine (Zip Unpacker)
Description: Client-side archive decompressor to inspect folder trees, preview text/code/images in-browser, and extract files without WinRAR or 7-Zip.
Category: system | Version: v2.2.0 | Developer: Official
Supported Formats: .zip, .rar, .7z, .tar
Size: 880 KB | Security Tag: Local Unpacker
Open Zip & Archive Unpacker Engine Online ToolMicrosoft Word Viewer (.docx) (Word Viewer)
Description: Open and read Microsoft Word documents (.docx, .docm, .dotx) in your browser with zero file uploads and full privacy.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .docx, .docm, .dotx
Size: 1.2 MB | Security Tag: 100% Private
Open Microsoft Word Viewer (.docx) Online ToolOpenDocument Text Viewer (.odt) (ODT Viewer)
Description: Read LibreOffice and OpenOffice OpenDocument text (.odt) files client-side without software installation.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .odt, .ott, .fodt
Size: 1.1 MB | Security Tag: Open Source ODF
Open OpenDocument Text Viewer (.odt) Online ToolPowerPoint Presentation Viewer (.pptx) (PowerPoint Viewer)
Description: View and flip through Microsoft PowerPoint presentation decks (.pptx, .pptm, .ppsx) in browser.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .pptx, .pptm, .ppsx
Size: 1.3 MB | Security Tag: 16:9 Canvas
Open PowerPoint Presentation Viewer (.pptx) Online ToolEPUB eBook Reader Studio (EPUB Reader)
Description: Read electronic books and publications (.epub) with custom chapter navigation and typography sizing.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .epub
Size: 1.4 MB | Security Tag: eBook Engine
Open EPUB eBook Reader Studio Online ToolJSON & Data Tree Explorer (JSON Viewer)
Description: Inspect, validate, and navigate complex JSON, JSONL, and structured data payloads with syntax coloring.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .json, .jsonl, .geojson
Size: 650 KB | Security Tag: Syntax Tree
Open JSON & Data Tree Explorer Online ToolXML Document Viewer & Inspector (XML Viewer)
Description: Validate XML schema hierarchies, count DOM nodes, and view beautified XML/XSD markup in browser.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .xml, .xsd, .xsl, .xslt
Size: 680 KB | Security Tag: DOM Validator
Open XML Document Viewer & Inspector Online ToolHTML Document & Webpage Sandbox (HTML Viewer)
Description: Safely preview offline HTML webpages, email newsletters, and templates in an isolated browser sandbox.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .html, .htm, .xhtml
Size: 720 KB | Security Tag: Isolated Sandbox
Open HTML Document & Webpage Sandbox Online ToolLog File & Console Viewer (.log) (Log Viewer)
Description: Analyze system logs, server debug outputs, and crash reports with real-time severity highlighting.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .log, .out, .err
Size: 800 KB | Security Tag: Severity Engine
Open Log File & Console Viewer (.log) Online ToolRich Text Format Viewer (.rtf) (RTF Viewer)
Description: Open legacy Rich Text Format (.rtf) and WordPad files with automatic control word stripping.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .rtf, .rtfd
Size: 620 KB | Security Tag: RTF Decoder
Open Rich Text Format Viewer (.rtf) Online ToolTIFF & Multipage Image Viewer (TIFF Viewer)
Description: Decode high-resolution TIFF and multipage .tif images client-side using hardware-accelerated Canvas.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .tif, .tiff
Size: 1.5 MB | Security Tag: UTIF Decoder
Open TIFF & Multipage Image Viewer Online ToolComic Book & Manga Archive Viewer (.cbz, .cbr) (CBZ Comic Reader)
Description: Read digital comic books, graphic novels, and manga (.cbz, .cbr, .zip) with smooth page flipping, thumbnails, and zoom.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .cbz, .cbr, .zip
Size: 1.4 MB | Security Tag: Comic Engine
Open Comic Book & Manga Archive Viewer (.cbz, .cbr) Online ToolFictionBook eBook Viewer (.fb2) (FB2 Reader)
Description: Read FictionBook 2.0 XML eBooks with custom typography, cover art, chapter navigation, and dark/sepia reading themes.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .fb2, .xml
Size: 620 KB | Security Tag: eBook Reader
Open FictionBook eBook Viewer (.fb2) Online ToolLaTeX Source & Formula Previewer (.tex) (LaTeX Previewer)
Description: Inspect LaTeX scientific documents, extracted equations, math environments, and document section outlines offline.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .tex, .ltx, .sty, .cls, .bib
Size: 780 KB | Security Tag: TeX Parser
Open LaTeX Source & Formula Previewer (.tex) Online ToolTOML Configuration Inspector (.toml) (TOML Inspector)
Description: Parse and inspect TOML configuration files (Cargo.toml, pyproject.toml) with interactive section tables and search.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .toml, .lock
Size: 540 KB | Security Tag: Config Parser
Open TOML Configuration Inspector (.toml) Online ToolINI & Configuration File Viewer (.ini, .cfg, .conf) (INI Config Viewer)
Description: Parse INI, CFG, CONF, and ENV configuration files with section grouping, key search, and sensitive secret masking.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .ini, .cfg, .conf, .config, .env, .properties
Size: 510 KB | Security Tag: Config Studio
Open INI & Configuration File Viewer (.ini, .cfg, .conf) Online ToolBMP & ICO Multi-Resolution Icon Viewer (.ico, .bmp) (ICO Icon Viewer)
Description: Unpack Windows icon packages (.ico) into all embedded sub-resolutions (16x16 to 256x256), view transparency, and export PNGs.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .ico, .cur, .bmp
Size: 680 KB | Security Tag: Icon Engine
Open BMP & ICO Multi-Resolution Icon Viewer (.ico, .bmp) Online ToolTGA Texture & Game Asset Viewer (.tga) (TGA Texture Viewer)
Description: Decode 24-bit and 32-bit Truevision TGA gaming textures and decals with individual RGBA channel inspection and PNG saving.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .tga, .icb, .vda, .vst
Size: 720 KB | Security Tag: Texture Engine
Open TGA Texture & Game Asset Viewer (.tga) Online ToolNetpbm PPM / PGM / PBM Pixmap Viewer (Netpbm Viewer)
Description: Decode P1-P6 Netpbm graphics (PBM monochrome, PGM grayscale, PPM color) from ASCII and binary formats with instant PNG export.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .ppm, .pgm, .pbm, .pnm
Size: 610 KB | Security Tag: Netpbm Decoder
Open Netpbm PPM / PGM / PBM Pixmap Viewer Online ToolQOI Quite OK Image Viewer (.qoi) (QOI Viewer)
Description: Decode and inspect Quite OK Image (.qoi) files at lightning speed with lossless quality, color space info, and PNG conversion.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .qoi
Size: 480 KB | Security Tag: Fast QOI
Open QOI Quite OK Image Viewer (.qoi) Online ToolWAV Hi-Res Audio & Waveform Viewer (.wav) (WAV Waveform Player)
Description: Inspect uncompressed PCM WAV audio waveforms, sample rate, channels, and listen with interactive scrubbable playback.
Category: audio | Version: v1.0.0 | Developer: Official
Supported Formats: .wav, .wave
Size: 820 KB | Security Tag: Waveform Engine
Open WAV Hi-Res Audio & Waveform Viewer (.wav) Online ToolMIDI Music & Piano Roll Event Viewer (.mid) (MIDI Event Viewer)
Description: Parse SMF Standard MIDI files into an interactive piano roll visualizer with tempo BPM, track events, and built-in synthesizer.
Category: audio | Version: v1.0.0 | Developer: Official
Supported Formats: .mid, .midi, .smf
Size: 920 KB | Security Tag: Piano Roll
Open MIDI Music & Piano Roll Event Viewer (.mid) Online ToolWebM Modern Media & Video Stream Viewer (.webm) (WebM Inspector)
Description: Inspect WebM VP8/VP9/AV1 video streams with frame-stepping (+/- 1 frame), playback speed controls, and high-res frame capture.
Category: videos | Version: v1.0.0 | Developer: Official
Supported Formats: .webm
Size: 860 KB | Security Tag: VP9 Engine
Open WebM Modern Media & Video Stream Viewer (.webm) Online ToolVideo Storyboard & Frame Strip Viewer (Video Filmstrip)
Description: Generate video storyboards, thumbnail contact sheets, and filmstrips across customizable time intervals with single-click export.
Category: videos | Version: v1.0.0 | Developer: Official
Supported Formats: .mp4, .webm, .mov, .m4v
Size: 950 KB | Security Tag: Storyboard
Open Video Storyboard & Frame Strip Viewer Online ToolPLY 3D Model & Point Cloud Viewer (.ply) (PLY 3D Viewer)
Description: Interactive 3D viewer for Polygon File Format (.ply) meshes and lidar point clouds with orbit rotation, wireframe, and solid shading.
Category: design | Version: v1.0.0 | Developer: Official
Supported Formats: .ply
Size: 1.1 MB | Security Tag: 3D Mesh Engine
Open PLY 3D Model & Point Cloud Viewer (.ply) Online ToolAutoCAD DXF Vector Drawing Viewer (.dxf) (DXF CAD Viewer)
Description: Open AutoCAD Drawing Exchange Format (.dxf) blueprints and schematics with interactive zoom, pan, layer toggling, and PNG export.
Category: design | Version: v1.0.0 | Developer: Official
Supported Formats: .dxf
Size: 1.2 MB | Security Tag: CAD Engine
Open AutoCAD DXF Vector Drawing Viewer (.dxf) Online ToolTAR & TAR.GZ Archive Inspector (.tar, .tgz) (TAR Archive Viewer)
Description: Inspect POSIX ustar TAR archives and compressed .tar.gz / .tgz packages with file preview, search, and individual file extraction.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .tar, .gz, .tgz, .tar.gz
Size: 890 KB | Security Tag: TAR Unpacker
Open TAR & TAR.GZ Archive Inspector (.tar, .tgz) Online ToolSQL Schema & Query Studio (.sql) (SQL Schema Studio)
Description: Analyze PostgreSQL, MySQL, and SQLite dump files, extract table schemas and primary keys, and format SQL syntax cleanly.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .sql, .ddl, .dump
Size: 940 KB | Security Tag: DDL Studio
Open SQL Schema & Query Studio (.sql) Online ToolGit Diff & Patch Viewer (.diff, .patch) (Git Diff Viewer)
Description: View unified Git diffs and patch files with additions (+), deletions (-), changed files list, and line numbering.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .diff, .patch
Size: 620 KB | Security Tag: Diff Engine
Open Git Diff & Patch Viewer (.diff, .patch) Online ToolJupyter Notebook Viewer (.ipynb) (Jupyter Notebook Viewer)
Description: Render Jupyter Notebook (.ipynb) files with markdown descriptions, code cells, execution counts, outputs, and embedded plots.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .ipynb
Size: 980 KB | Security Tag: Notebook Reader
Open Jupyter Notebook Viewer (.ipynb) Online ToolHAR Network Capture & Waterfall Viewer (.har) (HAR Waterfall Viewer)
Description: Analyze HTTP Archive (.har) web network traces with interactive waterfall timeline, response codes, headers, and payload previews.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .har
Size: 1.1 MB | Security Tag: HAR Waterfall
Open HAR Network Capture & Waterfall Viewer (.har) Online ToolAPNG Animated PNG Viewer (.apng) (APNG Viewer)
Description: Play and inspect Animated PNG (.apng) files frame-by-frame with play/pause, frame speed control, and loop toggle.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .apng, .png
Size: 640 KB | Security Tag: APNG Player
Open APNG Animated PNG Viewer (.apng) Online ToolDjVu Document Viewer (.djvu, .djv) (DjVu Viewer)
Description: Open DjVu scanned documents and eBooks with page navigation, zoom, and document metadata display.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .djvu, .djv
Size: 980 KB | Security Tag: DjVu Reader
Open DjVu Document Viewer (.djvu, .djv) Online ToolEML Email Message Viewer (.eml, .emlx) (EML Email Viewer)
Description: Parse and display .eml and .emlx email files with full headers, HTML/text body, and attachment list.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .eml, .emlx
Size: 720 KB | Security Tag: MIME Parser
Open EML Email Message Viewer (.eml, .emlx) Online ToolGeoJSON Map Viewer (.geojson) (GeoJSON Map Viewer)
Description: Render GeoJSON files as interactive 2D maps with feature inspection, zoom, pan, and property sidebar.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .geojson, .json
Size: 820 KB | Security Tag: GeoJSON Engine
Open GeoJSON Map Viewer (.geojson) Online ToolGPX GPS Track Viewer (.gpx) (GPX Track Viewer)
Description: Parse GPX GPS tracks and display route maps, elevation profiles, distance, speed, and waypoints.
Category: system | Version: v1.0.0 | Developer: Official
Supported Formats: .gpx
Size: 750 KB | Security Tag: GPS Analyzer
Open GPX GPS Track Viewer (.gpx) Online ToolICS Calendar Event Viewer (.ics) (ICS Calendar Viewer)
Description: Parse iCalendar .ics files and display events in a clean month-grid calendar with event details sidebar.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .ics, .ical
Size: 580 KB | Security Tag: iCal Parser
Open ICS Calendar Event Viewer (.ics) Online Tool360° Panorama Image Viewer (.jpg, .png) (Panorama Viewer)
Description: View equirectangular 360-degree panoramic photos with mouse drag to look around in an immersive viewport.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .jpg, .jpeg, .png, .webp
Size: 690 KB | Security Tag: 360° Viewer
Open 360° Panorama Image Viewer (.jpg, .png) Online ToolPCX Bitmap Image Viewer (.pcx) (PCX Viewer)
Description: Decode legacy ZSoft PC Paintbrush PCX bitmap images with run-length encoding, color palettes, and PNG export.
Category: images | Version: v1.0.0 | Developer: Official
Supported Formats: .pcx
Size: 610 KB | Security Tag: PCX Decoder
Open PCX Bitmap Image Viewer (.pcx) Online ToolVCF Contact Card Viewer (.vcf) (VCF Contact Viewer)
Description: Parse vCard 3.0/4.0 .vcf contact files and display all contacts with name, phone, email, photo, and address fields.
Category: documents | Version: v1.0.0 | Developer: Official
Supported Formats: .vcf, .vcard
Size: 540 KB | Security Tag: vCard Parser
Open VCF Contact Card Viewer (.vcf) Online ToolColor Palette & Swatch Extractor (Color Palette)
Description: Extract dominant color swatches, color gradients, and HEX/RGB/HSL values from any image with instant CSS code generation.
Category: design | Version: v1.2.0 | Developer: Official
Supported Formats: .png, .jpg, .jpeg, .webp, .svg, .bmp
Size: 420 KB | Security Tag: Quantization Engine
Open Color Palette & Swatch Extractor Online ToolHash & Checksum Verifier (Checksum Verifier)
Description: Compute SHA-256, SHA-512, SHA-384, and SHA-1 cryptographic file hashes locally to verify file integrity and detect tampering.
Category: system | Version: v1.3.0 | Developer: Official
Supported Formats: All files, .iso, .zip, .exe, .tar, .bin
Size: 380 KB | Security Tag: WebCrypto API
Open Hash & Checksum Verifier Online ToolVideo Frame Snapshot Studio (Video Snapshot)
Description: Scrub video files frame-by-frame and capture high-resolution lossless PNG snapshots and thumbnails with millisecond precision.
Category: videos | Version: v1.5.0 | Developer: Official
Supported Formats: .mp4, .webm, .ogv, .mov, .m4v
Size: 640 KB | Security Tag: HTML5 Canvas Capture
Open Video Frame Snapshot Studio Online ToolMermaid Diagram Live Viewer (Mermaid Viewer)
Description: Render, edit, and export Mermaid.js flowcharts, sequence diagrams, and architecture blueprints directly to SVG in your browser.
Category: design | Version: v1.1.0 | Developer: Official
Supported Formats: .mmd, .mermaid, .flowchart
Size: 520 KB | Security Tag: SVG Vector Engine
Open Mermaid Diagram Live Viewer Online ToolG-Code 3D Toolpath Visualizer (G-Code Visualizer)
Description: Simulate 3D printer and CNC toolpaths layer-by-layer with filament calculation, print time estimation, and extrusion inspection.
Category: design | Version: v1.4.0 | Developer: Official
Supported Formats: .gcode, .gc, .nc, .gco
Size: 680 KB | Security Tag: 2D/3D Path Simulator
Open G-Code 3D Toolpath Visualizer Online ToolYAML & Frontmatter Studio (YAML Viewer)
Description: Browse complex YAML documents with an expandable interactive tree view, syntax validator, and bidirectional YAML ⇄ JSON converter.
Category: documents | Version: v2.0.0 | Developer: Official
Supported Formats: .yaml, .yml
Size: 590 KB | Security Tag: Interactive Tree View
Open YAML & Frontmatter Studio Online ToolRSS & Atom Newsfeed Reader (RSS Reader)
Description: Parse, browse, and search RSS 2.0 and Atom feeds directly in browser memory without proxy servers or account registrations.
Category: documents | Version: v1.2.0 | Developer: Official
Supported Formats: .xml, .rss, .atom, .feed
Size: 460 KB | Security Tag: DOMParser Engine
Open RSS & Atom Newsfeed Reader Online ToolCSV Data Grid & Statistics Explorer (CSV Analyzer)
Description: Fast in-browser CSV and TSV spreadsheet grid with column sorting, live search filter, and automated statistical analysis.
Category: documents | Version: v1.6.0 | Developer: Official
Supported Formats: .csv, .tsv, .tab
Size: 620 KB | Security Tag: Data Science Grid
Open CSV Data Grid & Statistics Explorer Online ToolM3U & IPTV Playlist Inspector (M3U Player)
Description: Parse .m3u and .m3u8 playlists, organize channels by category, inspect stream URLs, and test playback with an embedded player.
Category: audio | Version: v1.3.0 | Developer: Official
Supported Formats: .m3u, .m3u8, .pls
Size: 580 KB | Security Tag: Stream Engine
Open M3U & IPTV Playlist Inspector Online ToolExcalidraw & Sketch Diagram Viewer (Excalidraw Viewer)
Description: View, pan, and zoom hand-drawn Excalidraw vector whiteboards and system architecture sketches with instant PNG export.
Category: design | Version: v1.2.0 | Developer: Official
Supported Formats: .excalidraw, .json
Size: 540 KB | Security Tag: Vector Whiteboard
Open Excalidraw & Sketch Diagram Viewer Online Tool
File Viewers & Players 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.
- Digital Camera RAW Decoder — Open and inspect Canon, Nikon, Sony, and DNG RAW camera files.
- Photoshop PSD Multi-Layer Explorer — Preview PSD and PSB design files in browser.
- 3D Mesh & CAD Model Viewer — Inspect STL, OBJ, GLTF, and 3D assets in interactive WebGL.
- UI Design Inspector (Figma & Sketch) — View vector mockups and UI templates.
Audio & Video Decoders
Hardware-accelerated playback and audio mastering utilities:
- 10-Band EQ & Waveform Visualizer — Real-time WebAudio equalizer with bass boost, vocal presets, and spectrum analysis.
- Universal Video Engine — High-performance MSE & WebCodecs video player for MP4, WebM, and MKV.
- HEVC / H.265 Ultra HD Decoder — Hardware-accelerated 4K and 8K video playback.
- Subtitle & Transcript Studio — Sync and inspect SRT, VTT, and ASS subtitles.
- Lossless Audio & FLAC Player — Studio master Hi-Res audio decoding in browser.
System & Archive Viewers
Inspect archives and verify packages locally:
- ZIP & Archive Unpacker — Inspect and extract ZIP, TAR, and GZ archives client-side.
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.