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Changelog

Release history for kaimdt Converter. All updates are delivered automatically via the service worker.

v3.6.0

Latest

Visual HTML→PDF, smart encoding modes, format info cards

  • NewHTML/Markdown → PDF now renders pages visually with text-based fallback
  • NewFast mode for video → audio: extract audio near-instantly via stream copy or re-encode with full quality control
  • NewFormat info cards below the converter showing descriptions, best-for tags, pros & cons
  • NewLow-power device hints: suggests lighter alternatives before starting heavy conversions
  • FixFixed cover art embedding for MP3, M4A, FLAC, AAC — now uses correct codec per format

v3.5.0

Video → Audio presets, advanced encoding panel

  • NewContext-aware audio presets for video → audio conversions (quality, bitrate, sample rate, channels)
  • NewOptional video thumbnail embedding as album cover art
  • NewAdvanced encoding settings for video → video conversions (CRF, resolution, FPS, audio bitrate)
  • FixFixed "Custom…" max resolution option not being clickable

v3.4.0

Next-gen image codecs, new archive & audio formats

  • NewAdded APNG, JPEG 2000, JPEG XL, JPEG XR, and QOI image format support
  • NewArchive formats: 7Z, RAR, BZ2, XZ, ZSTD, LZ4, LZMA, CAB, and ISO
  • NewNew audio formats: MP2 and DTS encoding/decoding
  • New1000+ conversion paths now available across all categories
  • ImprovedAutomatic format detection from file contents on drop

v3.3.0

Font & ebook converters, expanded office support

  • NewFont converter: TTF, OTF, WOFF, WOFF2 inter-conversion
  • NewEbook format support: EPUB, MOBI, AZW3, FB2
  • NewOffice: PPT to PPTX, ODP ↔ PPTX conversion routes added
  • ImprovedConversion queue now shows estimated time remaining

v3.2.0

RAW image & Adobe format support

  • NewRAW image support: CR2, NEF, ARW, DNG, RAF and more
  • NewAdobe PSD, AI, and EPS file conversion to PNG/JPG/PDF
  • NewMulti-step chain conversions — automatically finds intermediate paths
  • FixFixed drag-and-drop not detecting format for some HEIC files

v3.0.0

Archive support, compression engine, 500+ routes

  • NewArchive converter: ZIP, TAR, GZ, TAR.GZ creation and extraction
  • NewCompress mode for video and audio with customizable CRF, resolution, FPS, and bitrate
  • New500+ conversion routes across image, video, audio, document, text, and archive formats
  • ImprovedParallel encoding for large video files (2-4× speedup)
  • ImprovedBetter memory handling on mobile devices

v2.5.0

Office document converters, batch processing

  • NewDOCX → PDF, HTML, Markdown, and ODT conversion
  • NewXLSX → CSV/ODS and CSV → XLSX bidirectional conversion
  • NewPPTX → PDF presentation export
  • NewBatch conversion: convert multiple files at once
  • FixFixed crash when converting very large DOCX files

v2.4.0

Image tools: crop, rotate, watermark, color adjust

  • NewImage crop tool with aspect ratio presets and freeform selection
  • NewRotate and flip images (90°, 180°, 270°, horizontal/vertical flip)
  • NewWatermark overlay with text or image, adjustable opacity and position
  • NewColor adjustment: brightness, contrast, saturation, hue, grayscale

v2.3.0

SVG toolkit, keyboard shortcuts

  • NewSVG optimizer with configurable precision and cleanup options
  • NewSVG color editor: find-and-replace fill/stroke colors
  • NewKeyboard shortcuts for navigation and quick actions

v2.2.0

OCR text extraction, HEIC/AVIF, image resize

  • NewOCR text extraction from images (100+ languages)
  • NewHEIC and AVIF image format support
  • NewImage resize tool with aspect ratio lock and preset dimensions
  • FixFixed WebP transparency being lost during PNG → WebP conversion

v2.1.0

Video & audio conversion via FFmpeg

  • NewVideo conversion: MP4, WebM, AVI, MOV, MKV, FLV, WMV
  • NewAudio conversion: MP3, WAV, OGG, FLAC, AAC, M4A
  • NewVideo → GIF with configurable FPS and resolution
  • NewConversion queue with background processing and progress tracking

v2.0.0

Developer tools, data converters, offline support

  • NewJSON formatter and validator with syntax highlighting
  • NewCSV ↔ JSON, XML ↔ JSON, YAML ↔ JSON bidirectional converters
  • NewBase64 encoder/decoder, URL encoder/decoder, HTML entity encoder
  • NewMarkdown → HTML renderer with live preview
  • NewOffline support — works without internet as a PWA
  • NewDark/light theme with system preference detection

v1.1.0

ICO export, BMP/TIFF support

  • NewPNG → ICO multi-size favicon generator (16×16, 32×32, 48×48)
  • NewBMP and TIFF image format support
  • NewSVG → PNG rasterization at custom resolutions
  • FixFixed transparent PNG backgrounds rendering as black in JPG export

v1.0.0

Initial release — browser-based image converter

  • NewConvert between PNG, JPG, WebP, and GIF
  • NewQuality slider for lossy format output (JPG, WebP)
  • NewInstant preview with before/after comparison
  • New100% client-side — no files uploaded to any server