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Release History
Changelog & Updates
Track all recent updates, new tools, performance fixes, and engine improvements automatically generated from our tool registry.
v1.0.36
Math Question Paper & Quiz Generator
Feature July 2026
- Math Worksheet Generator: Generate customizable primary & secondary math question papers, quizzes, and assessment sheets 100% locally.
- Topic & Format Distribution: Supports addition, subtraction, multiplication, division, fractions, decimals, and algebra across fill-in-the-blanks, MCQs, vertical stacked equations, and word problems.
- WYSIWYG Live Preview & Vector PDF Export: Real-time multi-page layout preview with instant client-side PDF export for worksheets and answer keys.
v1.0.34
Release v1.0.34
Feature July 28, 2026
Tools Introduced (1)
v1.0.31
Offline Invoice & Receipt Generator Studio
Feature July 27, 2026
- Invoice Generator: Create, customize, and export professional invoices 100% locally with live side-by-side preview.
- Full customization with custom branding, logo uploads, tax rates, discount lines, and multi-currency support.
- Client-side vector PDF generation using pdf-lib with downloadable templates and draft saving.
Tools Introduced (1)
v1.0.30
PDF Engine & Converter Enhancements
Improvement July 26, 2026
- PDF Converter: Added standard page format selection (A4, US Letter, US Legal, A3, and Fit Image Size).
- PDF Converter: Images are now automatically centered both horizontally and vertically on pages by default.
- PDF Compressor: Fixed page aspect ratio and dimension warping bug by retaining exact original page point bounds.
- PDF Compressor: Boosted rendering resolution scale (DPR 1.5+) and text anti-aliasing for sharp, high-clarity compressed documents.
v1.0.25
Streaming ZIP & Archive Tooling
Feature July 26, 2026
- ZIP Archiver: Built 100% client-side streaming ZIP unpacker and packer.
- Instant central directory inspection without loading multi-gigabyte payloads into browser RAM.
- Single-file extraction on demand directly from large ZIP archives.
Tools Introduced (1)
v1.0.20
Audio Noise Cleaner & Image Editing Suite
Feature July 25, 2026
- Added Audio Noise Cleaner & Suppressor for browser-level audio filtering.
- Added Digital Signature Creator & Image Cropper studio.
v1.0.15
Watermark & SVG Optimization Studio
Feature July 24, 2026
- Batch photo watermarking with customizable text & image stamp overlays.
- Vector SVG cleaner, sanitizer, and high-DPI PNG rasterizer.
v1.0.12
Developer & Security Toolkit
Feature July 23, 2026
- Favicon & Web App Manifest generator.
- JWT Decoder & Inspector, SSL X.509 Certificate Parser, and Unix Epoch Studio.
v1.0.10
OPFS Media Processing Engine
Feature July 22, 2026
- Origin Private File System (OPFS) integration for zero-copy streaming of huge files.
- Hardware-accelerated Video Compressor, Audio Trimmer, and Batch Image Transcoder.
v1.0.5
Geospatial & Web Unit Converters
Feature July 21, 2026
- GPS & Coordinates Converter, Subnet & CIDR Calculator, Universal Unit Converter.
- CSS Unit Converter and World Time Zone Planner.
Tools Introduced (5)
v1.0.0
Initial Launch of Offline99
Feature July 20, 2026
- Launched 100% private, client-side utility suite with zero server uploads.
- Security & Privacy suite: AES-256 File Encryptor, CSPRNG Password Generator, EXIF Stripper, QR Code Studio, and Color Tools.
Tools Introduced (12)
Free PDF Merger & Splitter
Document & PDF
Free EXIF Photo Metadata Stripper
Security & Privacy
Free File Encryptor & Decryptor
Security & Privacy
Free Password & Passphrase Generator
Security & Privacy
Free QR Code Generator & Studio
Security & Privacy
Free Base64 / Hash / Encoder Studio
Security & Privacy
Free JSON Formatter, Validator & Prettifier
Developer Tools
Free Universal Color Converter & Studio
Color & Palette Tools
Free Image Color Palette Extractor
Color & Palette Tools
Free WCAG Color Contrast Inspector
Color & Palette Tools
Free Color Harmony Palette Generator
Color & Palette Tools
Free Shades & Tints Generator
Color & Palette Tools