RosetoneVersion 1.0

The image viewer and manga reader for macOS.

Built for macOS from the ground up, Rosetone prefetches and decodes ahead, so huge folders and packed archives stay smooth, even straight off your NAS. Spread view, vertical scroll, right-to-left. Whatever you read, it fits.

$7.99¥1,200

One-time purchase. No DRM.

Code-signed, notarized by Apple.

Requires macOS Sequoia 15 or later.

Rosetone showing a manga page on a MacBook Pro

Made for macOS

Native code, native speed.

Written entirely in AppKit, Rosetone opens giant folders and network files without breaking a sweat.

Prefetches and decodes ahead, so pages turn instantly, even with network files.

Written entirely in AppKit. No cross-platform frameworks.

Responsiveness first in every design decision, from the renderer to the scrollbar.

Immersive full screen

The whole display is the page.

Made for MacBook Air and MacBook Pro. Full-screen mode fills the entire display by default. The picture runs right up to the camera housing instead of wasting space around it.

Prefetching

Reads ahead, so you never wait.

Rosetone decodes upcoming pages before you reach them. Page turns land instantly, forward or backward, even with high-resolution scans and packed archives.

Vertical Scroll mode

Ten thousand pages, one smooth scroll.

Vertical Scroll view renders long strips with virtual scrolling, so only what is on screen costs memory. Scroll through 10,000 pages without a stutter.

AI metadata

The best viewer for ComfyUI output.

Rosetone reads the generation metadata embedded in your renders, right in the inspector: size, model, LoRAs, and prompt up front, with seed, CFG, steps, sampler, and scheduler alongside. ComfyUI and WebUI metadata are both supported.

Screenshots

Spec

Formats

Images
JPEG, PNG, WebP, AVIF, HEIC, JXL, PSD, TIFF, BMP, GIF*
Archives
ZIP / CBZ, RAR / CBR, 7z, LHA / LZH, TAR
Documents
PDF

* Animated GIF support coming soon.

Reading modes

  • Single-page mode
  • Adaptive two-page mode
  • Vertical Scroll mode

AI metadata

  • ComfyUI workflows
  • WebUI parameters
  • Prompt, seed, sampler, and model inspector

Start reading in seconds.

Thousands of chapters, carefully collected. Don't read them in something that stutters.

$7.99¥1,200

One-time purchase. No DRM.

Code-signed, notarized by Apple.

Requires macOS Sequoia 15 or later.