Changelog & Release Notes
Continuous upgrades to speed, memory efficiency, and browser-first tabular processing.
v2.4.0
Latest Release
January 2026
- Streaming Web Worker Architecture: Heavy CSV parsing is offloaded into multi-threaded Web Workers, preventing tab freezing on 500,000+ row datasets.
- Full Light/Dark Design System: Instant theme switching with zero layout flash, persisted locally via
localStorage. - Multi-Format Exporter: Cleaned datasets can now be downloaded in CSV, TSV, or JSON format, or copied directly to clipboard.
- In-Memory Undo: Added reversible history stacks for safe column transformations and deduplication passes.
v2.3.0
November 2025
- Schema Blueprint Inspector: Auto-detects data types (email, date, number, string) across every column with inline rename and casing controls.
- Find & Replace Modal: Added targeted single-column and whole-table string replacement with real-time preview updates.
v2.2.0
August 2025
- Encoding Fixer & UTF-8 BOM: Solved corrupted accented characters in Microsoft Excel with automatic BOM header injection.
- Delimiter Normalizer: Added instant conversion between comma, semicolon, tab, and pipe delimiters.
v2.1.0
May 2025
- Flagship Dashboard Builder: Generate self-contained, offline-ready HTML interactive dashboards from any spreadsheet file.
- Universal Spreadsheet Converter: Added client-side bidirectional conversion between CSV, TSV, JSON, and XLSX.
v2.0.0
January 2025
- Ecosystem Independence: Re-engineered as a dedicated standalone tool suite within the LMSTools.cloud privacy family.
- Zero Server Infrastructure: Eradicated all backend ingestion endpoints for complete client-side data isolation.