Reference-aware bundles
Use deterministic $flexonFile markers, opt-in safe discovery, or explicit attachments. Binary content is stored natively rather than as JSON Base64.
JSONStructured document
+FilesImages, PDFs, models, logs
→.flexonOne verified envelope
→ExtractValidated JSON + files
What ships today
Designed for controlled packaging.
The current public implementation is a .NET 8 library and cross-platform command-line tool under the MIT licence.
Verified manifests
Each attachment records its relative path, byte length, media type and SHA-256. Extraction checks the manifest and destination before writing.
Security controls
Configurable bounds, corruption detection, Brotli/GZip/Deflate, AES-256-GCM or ChaCha20-Poly1305 encryption, and detached ECDSA P-256 signatures.
Example: package marked local references
dotnet tool install --global FlexonCLI --version 3.1.0
flexon-cli serialize -i project.json -o project.flexon --attachments marked
flexon-cli deserialize -i project.flexon -o restored-projectSuitable work
Portable records with related files.
Useful where structured data and supporting assets must travel, archive or deploy as one verifiable unit.
Web & CMS
Content exports, page records, product catalogues, offline content packs and verified website snapshots.
Business records
Matters, insurance claims, audit evidence, API jobs and configuration transfers with supporting documents.
Technical packages
Application backups, game saves, mod packs, IoT batches and deployment/configuration bundles.
Rich assets
3D scenes with textures and AI dataset manifests with blobs—storage and transport only, not AI processing.
Honest boundaries
What Flexon does not replace today.
Browsers cannot natively read or render .flexon. There is no official JavaScript/TypeScript, WebAssembly, npm, Vite/Webpack or service-worker integration yet. Current attachments are buffered within bounded memory; streaming, chunking and selective extraction are roadmap work. Flexon does not replace HTML, JSON APIs, JavaScript bundles, ZIP deployment packages or ordinary CDN assets, and it makes no universal faster-or-smaller claim.
Current formatFLEXON v2 · tool release v3.1.0Runtime.NET 8LicenceMITVerification45 project tests passed locally