Changelog - Online Tool

2025-09-25

New tool: SVG to PNG converter with drag & drop upload, multi-size export, DPR scaling, and random file naming for downloads.
Improved multilingual support: All alerts, validation, and preview texts now use language packs.

New tool: Color Converter — supports conversion between Hex, RGB, and HSL formats.
Color preview supported, results can be copied with one click, compatible with both desktop and mobile pages.
Dark and light mode supported.

New tool: WebP Converter — convert WebP images to JPG or PNG.
Supports adjustable JPG output quality, with both desktop and mobile layouts, dark/light mode ready.
One-click download of converted files is available.

New tool added: Favicon Generator (to-favicon)
New tool added: Favicon Inspector (favicon-inspect)
New tool added: Video to MP4 (to-mp4) — supports WMV, AVI, MOV, MKV, FLV, WebM, 3GP and more

Added EXIF Auto-Orient tool: supports uploading images to automatically detect and correct EXIF Orientation tags, fix wrongly rotated photos, preview both original and corrected versions, and download the corrected image. Fully supports light/dark mode.
Added EXIF Viewer: supports uploading images to parse and display full EXIF metadata, including the Orientation tag with meaning descriptions, preview images in their original orientation, and view EXIF data in JSON format with highlighting. Fully supports light/dark mode.

Added UUID Generator: supports both v4 and v7 UUID generation, with one-click copy and dark/light theme compatibility.
Added Base Converter: supports conversion between HEX, DEC, and BIN. Handles 0x/0b prefixes and underscores, with options for uppercase HEX and grouped BIN display.
Added Regex Tester: allows input of regular expressions and test text, supports i/g/m flags, shows matching results in real time, includes copy feature, and works in dark/light mode.

Added Password Generator: Supports customizable password length and count, selectable character sets (numbers, uppercase, lowercase, symbols). Generated results can be copied individually or all at once. Fully responsive for desktop and mobile.
Added URL Decoder: Supports decoding of standard %xx sequences and plus (+) to space. Provides input area, decode button, output area, and copy functionality. Works with both light and dark themes.
Added URL Encoder: Safely encodes input text into URL-compatible strings. Includes input area, encode button, output area, and copy functionality. Supports light and dark themes.
Added Timestamp Converter: Converts between Unix timestamps and human-readable dates, with options for seconds (10 digits) and milliseconds (13 digits). Includes mode switching, sample fill, and copy functions. Optimized layouts for both desktop and mobile.

Added Base64 Text Decoder: decode Base64 strings into UTF-8 text, with sample input and error messages.
Added Base64 Text Encoder: encode text into Base64 strings, with one-click copy and sample input.
Added Base64 Image Decoder: paste or enter Base64 image strings, preview images in real time, and download.
Added Base64 Image Encoder: upload image files and convert them into Base64 strings, with copy support.
All four Base64 tools support both desktop and mobile, dark mode, and floating tooltips.

Added JPG to PDF tool: supports merging multiple JPG images into a single A4 PDF with auto-scaling.
Supports drag & drop upload and file selection, with consistent UI style and dark mode support.

Added PDF to JPG tool: supports single page, page range, and full document conversion to ZIP.
Frontend includes upload button + drag-and-drop zone, with improved status messages and dark mode support.

Added Compress PDF tool: supports Ghostscript compression with multiple levels (screen, ebook, printer, prepress).
Frontend includes upload button + drag-and-drop zone, compression level selector, and dark mode support.

Improved PDF to Word tool: added two conversion modes — Basic (pdf2docx) and Accurate (LibreOffice).
Frontend now supports both upload button and drag-and-drop area, with improved status messages and dark mode support.
Enhanced error handling: clearer error messages are shown when conversion fails, improving user experience.

Added Unicode button state control: buttons are disabled by default and only enabled when input contains Chinese, `\uXXXX`, `\"`, or `\\`.
Disabled state: white background, blue text, half opacity, not clickable; Active state: theme-colored background, white text, hover shadow; dark mode supported.
Improved escapeUnicode: added handling for quotes, backslashes, newline, carriage return, and tab. Non-ASCII characters still convert to `\\uXXXX`.
Improved unescapeUnicode: added decoding for escaped quotes (`\"`) and backslashes (`\\`), now fully symmetric with escapeUnicode.
Moved Unicode tools (Escape/Unescape) into the main JSON action buttons group instead of floating panel.

JSON Formatter Tool completed, supporting beautify, minify, validate, tree view, and Unicode conversion for JSON data.