PRODUCTION CHANGELOG & VERSION HISTORY
Super ToolKit Release Notes
Explore our continuous journey of building the world’s most comprehensive, 100% private, client-side utility suite.
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v2.5.0
Studio Master & Dolby Spatial Audio Enhancer
Latest ReleaseOctober 2026
Introducing our flagship acoustic mastering engine: Dolby Atmos-inspired 3D spatial field expansion, sub-bass punch tuning, top-end air excitation, and real-time A/B bypass comparison.
Key Enhancements & Features:
- Studio Master & Dolby Spatial Audio Enhancer with M/S spatial soundstage expansion up to 220% width
- Multiband harmonic exciter delivering crystal-clear vocal air sparkle (12 kHz) and presence projection (3.6 kHz)
- Sub-Bass Depth filter (55 Hz) and mud cut resonance filter (350 Hz) for distortion-free acoustic foundation
- Analog-modeled studio glue dynamics compressor for transparent commercial loudness without clipping
- Real-time A/B bypass switch to audition the stark difference between Original Sound and Dolby Master without audio interruption
- Studio acoustic presets: Dolby Signature Master, Spatial 3D Immersion, Vocal Clarity, Club Bass Punch, and Audiophile Warmth
- Live stereo soundstage visualizer with neon frequency energy analyzer and volume headroom booster
- Offline 320 kbps Master MP3 and 16-bit Lossless Studio WAV rendering directly in device RAM
Shipped Tools & Workbenches:
v2.4.0
The Pro Audio & 3D Spatial Sound Studio Suite
Major Audio UpdateOctober 2026
A massive expansion introducing 8 professional audio engineering tools powered by Web Audio API DSP synthesis, 360-degree binaural spatial panning, and offline master encoding.
Key Enhancements & Features:
- 8D Audio & 3D Spatial Panner with 360° circular rotation, interactive radar visualizer, and headphone-optimized binaural DSP
- Audio Reverb & Acoustic Room Studio simulating concert halls, cathedrals, and tight vocal booths
- Audio Spectrogram & Waveform Artwork Generator exporting 1080p cover art in Cyberpunk, Sunset, and Emerald themes
- Bass Booster & 10-Band Graphic Equalizer with sub-bass frequency amplification and genre presets
- BPM & Tap Tempo Detector with automatic transient peak autocorrelation and synchronized metronome
- Pitch Shifter & Tempo Changer with independent semitone key transposition (-12 to +12) and speed control
- Vocal Remover & Karaoke Instrumental Studio featuring center-channel phase inversion and low-end bass retention
- Volume Booster & Loudness Normalizer with +24dB headroom gain and 0dB peak normalization against clipping
- Bulletproof mobile audio decoder (safeDecodeAudioData) resolving iOS Safari ArrayBuffer detaching
Shipped Tools & Workbenches:
v2.3.0
Sound Editing, Reversal & Format Transcoding
September 2026
Dedicated waveform editing and reverse sound engineering tools for musicians, podcasters, and video editors.
Key Enhancements & Features:
- Audio Reverser with ping-pong looping, variable playback speeds, reverse reverb swells, and FLAC/WAV/MP3 export
- Audio Trimmer with interactive zoomable canvas waveform, millisecond playhead cutter, and multi-format download
- Audio to Audio Transcoder supporting bidirectional conversions between MP3, WAV, AAC, M4A, FLAC, and OGG
- Video to Audio Extractor separating soundtrack audio from MP4, WebM, MKV, and MOV recordings in studio quality
Shipped Tools & Workbenches:
v2.2.0
Data Tables, Spreadsheets & Invoicing Engine
August 2026
Business accounting utilities, developer data converters, and dataset profiling tools running 100% in-browser.
Key Enhancements & Features:
- Private Invoice & Receipt Generator with printable styling, customizable tax/discount lines, and zero watermarks
- CSV & Data Table Profiler & Analyzer calculating column statistics, missing values, and TSV/Markdown exports
- CSV to JSON & JSON to CSV bidirectional converter with delimiter auto-detection and syntax formatting
- JSON to Excel / CSV converter with multi-level nested object flattening and instant .xlsx export
- Base64 File & Image Studio supporting binary files, SVGs, audio data URIs, and raw base64 decoding
- Interactive Regex Studio with live regex flags, visual capture group breakdowns, and cheat-sheet library
Shipped Tools & Workbenches:
v2.1.0
Designer Palette, Diff Check & Text Intelligence
July 2026
Developer utilities for color palette extraction, text diff comparison, cryptographic hashing, and markdown documentation.
Key Enhancements & Features:
- Color Palette & Contrast Studio with image color extraction, WCAG 2.1 AAA accessibility contrast grading, and palette generator
- Text & Document Diff Checker with unified and split side-by-side diff views, line highlights, and character level diffs
- Hash & Checksum Verifier computing SHA-256, SHA-512, SHA-1, and MD5 file integrity signatures
- Markdown Live Editor & Exporter with split-screen live preview, syntax highlighting, and HTML/MD export
- Instant QR Code Studio generating custom QR codes with logo overlays, color themes, and high-res vector SVG download
Shipped Tools & Workbenches:
v2.0.0
Document Processing & Media Conversion Engine
June 2026
Full PDF document workspace and high-fidelity image processing tools built completely on WebAssembly and Canvas pipelines.
Key Enhancements & Features:
- PDF Merger & Combiner with visual drag-to-reorder thumbnails, multi-file combining, and rapid PDF assembly
- PDF Page Splitter & Organizer with individual page extraction, custom page ranges, and page rotation
- PDF Password & Security Studio with 128-bit/256-bit AES encryption protection and password removal
- PDF to Word (DOCX) Converter with OCR text flow preservation and document formatting reproduction
- Images to PDF Converter compiling JPEG, PNG, and WebP photos into clean multi-page PDF documents
- Smart Image Compressor with target file size slider, resolution downscaling, and lossless compression
- Universal Image Converter & Resizer supporting JPEG, PNG, WebP, GIF, and BMP cross-conversion
- SVG to Image Converter rendering vector SVGs into high-resolution PNG and JPEG bitmaps
Shipped Tools & Workbenches:
v1.0.0
The Foundation & Core Architecture
May 2026
Launch of Super ToolKit: Progressive Web App architecture, dark/light theme engine, and precision calculation utilities.
Key Enhancements & Features:
- Age Calculator calculating exact chronological lifespan down to seconds with Western and Chinese zodiac signs
- Birthday Calculator calculating upcoming milestones, days until celebration, and day-of-week analytics
- Universal Unit Converter with live conversions across length, weight, temperature, volume, data, and area
- Word Counter & Case Converter with Title Case, UPPERCASE, lowercase, camelCase, and reading time analytics
- JSON Cleaner & Formatter with syntax tree linting, indentation repair, and minify tools
- Progressive Web App (PWA) with service worker offline caching and standalone home-screen installation
- Zero Server Processing Architecture guaranteeing 100% data privacy within device RAM
Shipped Tools & Workbenches:
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