[?]I graduated / changed jobs and lost MATLAB. Is my thesis data gone?
No — v5 .mat files are an open layout this tool reads directly: every 2D numeric, text and logical variable becomes a CSV with correct row/column orientation (MATLAB's column-major order is transposed properly).
[?]What doesn't convert?
Sparse, complex, structs, cells, objects, N-D arrays and v7.3 (HDF5) files — each refused by name in a _README.txt packed alongside the CSVs, so you know exactly what's missing instead of guessing.
[?]Are int64 values exact?
Yes — 64-bit integers convert via BigInt strings, never float-rounded. Doubles transfer bit-exact through the CSV text.
[?]Is my research data uploaded anywhere?
No. Parsing and zipping run entirely inside your browser.
[?]Why convert from MAT to ZIP?
MAT Document (MAT) and ZIP Document (ZIP) serve distinct roles across the digital workflow. Converting to ZIP provides optimized compatibility, modern compression efficiency, or standardized playback across web browsers, operating systems, and media production environments.
[?]Is the MAT to ZIP conversion lossless or lossy?
The output format (ZIP) is inherently lossless or supports lossless operation. Your original visual or audio fidelity is mathematically preserved without quantization artifacts.
[?]Does convrtr upload my files to any cloud server?
Never. convrtr is architected with a strict zero-upload model. All processing, decoding, decompression, and encoding happen 100% locally on your machine using sandboxed WebAssembly and Web Workers. Your data never touches an external server, database, or analytics collector.
[?]How can I convert MAT to ZIP from the terminal / command line?
You can execute this conversion locally via command-line utilities such as ffmpeg, cwebp, or ImageMagick. For example: see the developer terminal recipe provided in the technical specifications dossier above. convrtr provides the identical local-first capability directly inside your browser without installing CLI packages.
[?]Can I batch convert multiple MAT files to ZIP simultaneously?
Yes. You can drop multiple .mat files into the instrument to process them concurrently in browser Web Workers, or click 'Open in Master Studio' to queue mixed formats, configure individual targets, and export as a single ZIP archive.