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Omni Viewer

A powerful IntelliJ plugin for viewing and editing various file formats including audio, video, parquet, JSON, JSONL, TOML, YAML, PlantUML, Mermaid and CSV files.

Free Features:

• Jupyter Notebook Viewer: View .ipynb Markdown, code and raw cells, saved tables, images, streams and errors, with cell search and collapsible code/output sections. No kernel is required. • Audio Viewer: Play, pause, and control audio files (MP3, WAV, OGG, FLAC, M4A, AAC, WMA) • Parquet Viewer: View and explore Parquet files with schema, data table, search, and JSON export • JSON Viewer: Open JSON files from the context menu with syntax highlighting, tree view, validation, key sorting, minify, and conversion tools • TOML Viewer: Open TOML files from the context menu with tree view, breadcrumbs, source sync, structural search, JSON/flatten previews, domain hints, warnings, stats, and dependency sections • YAML Viewer: Open YAML files from the context menu with tree navigation, source sync, path copying, anchor/alias tracing, merge-key hints, JSON/flatten previews, multi-document selection, and domain-aware summaries • Diagram Viewer: Preview PlantUML and Mermaid diagrams with source editing, render refresh, and SVG/HTML copy tools • DBC Viewer: Explore CAN DBC files with message and signal tables • ASC Viewer: Explore CAN ASC log files with frame tables and event filtering • A2L Viewer: Explore ASAP2/A2L measurement and calibration descriptions • PCAP Viewer: Inspect classic packet capture files with packet summaries and hex preview • HDF5 Viewer: Browse HDF5 files with group/dataset trees, attributes, metadata, and first-page dataset previews • MAT Viewer: Browse MATLAB .mat files with variable trees, metadata, previews, and struct/cell exploration • Safetensors Viewer: Inspect tensor names, data types, shapes, sizes, and model metadata without loading tensor payloads • ExecuTorch Viewer: Inspect ExecuTorch .pte programs as an interactive dataflow graph, with methods, instructions, values, delegates, memory plans, and data segments read without loading tensor payloads • HAR Viewer: Diagnose web and API failures from an HTTP archive (.har) — a filterable request list with a per-request waterfall, status, type, domain and body search, plus headers, query/form payload, request and response bodies with JSON pretty-printing, cookies, and per-phase timings • Shapefile Viewer: Inspect Esri .shp maps with .dbf attributes, .prj projection info, pan/zoom, filtering, and measurement tools • JSONL Viewer: View and edit JSON Lines files with formatted preview • HWP Viewer: View HWP and HWPX (한글) documents as text • Proto Viewer: Explore Protocol Buffers (.proto) files with a message tree, type navigation, reverse references, relationship graph, JSON example generator, gRPC service explorer, import graph, documentation renderer, global search, and breaking-change detection

Premium Features:

• Media Player: Play video files (MP4, MOV, WebM) with full playback controls. AVI, MKV, WMV, FLV are not supported (JavaFX Media). • CSV Viewer: View CSV files in table format with search, column sorting, and file info (right-click → Open with OmniViewer) • Excel Viewer: View XLS/XLSX files in table format with sheet selection, search, and sorting (right-click → Open with OmniViewer) • Image Editor: Edit images with drawing tools, color picker, and brush size control (right-click → Open with OmniViewer) • Word Document Viewer: View DOC/DOCX files with text extraction, text search (highlight, Find next/previous), and .doc/.docx support. Text only – tables, images, and formatting (colors, links) are not displayed. • PDF Viewer: View PDF files with rendered pages, thumbnail navigation, and password prompt support. • PPT Viewer: View PPT/PPTX files with rendered slide layout, thumbnails, and text search. • ARXML Viewer: Explore AUTOSAR XML packages, components, interfaces, data types and communication objects. • ReqIF Viewer: Explore requirements, specifications, relations, types, and attributes from ReqIF XML files. • BLF Viewer: Inspect Vector BLF binary log structure and common CAN-related objects. • MF4/MDF Viewer: Inspect ASAM MDF4/MF4 metadata blocks, channel names and text references. • GGUF Viewer: Inspect model metadata, quantization, tensor shapes, parameter counts, sizes, and offsets without loading model weights. • TFLite Viewer: Inspect LiteRT model graphs, operators, tensors, quantization, signatures, buffers, and metadata without loading model weights. • ONNX Viewer: Inspect ONNX model graphs, nodes, initializers, attributes, control-flow subgraphs, local functions, and metadata without loading tensor payloads. • Keras Viewer: Inspect Keras 3 .keras archives and Keras HDF5 models — layers, weights, shapes, parameter counts, training configuration, and archive members — without loading model weights. • Core ML Viewer: Inspect Core ML .mlmodel specifications and .mlpackage bundles — ML Program operations, neural-network layers, pipelines, feature types, weights, weight blobs, class labels, and manifest contents — without loading model weights. • Binary Format Viewer: Inspect Avro, ROS bag, STEP/STP, and DB3 files directly when opened. • PCAPNG Viewer: Inspect next-generation packet capture blocks, interfaces, and packet records.

Simply open any supported file type in IntelliJ and start viewing or editing!