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SPECIFICTION
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PNGTuber Plus

kaiakairos.itch.io

Free plan Open source WindowsmacOSLinux
Visit kaiakairos.itch.io
Spec score 8.5 #5 of 25 in VTuber Software

What it is

PNGTuber Plus is a free desktop app for customizing 2D PNG VTuber avatars, with tools aimed at remaining approachable for beginners. Users can add PNG images or sprite sheets for animated sprites. Sprites can move with sine waves, attach to other sprites, trail behind movement, or bounce and jiggle. Individual sprites can appear or disappear when speaking or blinking, and lip sync is supported. Users can change the background color for transparency or green-screen use in OBS, then save and share avatars. Builds are available for Windows, macOS, and Linux. The developer accepts optional support payments, but the software itself is free. The maker links to a public GitHub repository containing the source code and asks users to report bugs, issues, or suggestions through the itch.io community page. Steam lists Windows 10 minimum requirements of a 64-bit processor and operating system, 4 GB RAM, 2 GB graphics, and 100 MB storage.

Spec sheet

What it does
PNGTuber Plus is desktop software for making customizable 2D PNG avatars while keeping the workflow approachable for beginners.Read 15 Oct 2026 · kaiakairos.itch.io
Purpose
PNGTuber Plus adds customization to 2D PNG VTubers while aiming to stay simple and approachable for beginners.Read 7 Oct 2026 · kaiakairos.itch.io
Intended users
The maker describes the software as lightweight and easy to use, and says it is designed to remain approachable for beginners.Read 7 Oct 2026 · kaiakairos.itch.io
Support
The maker asks users to report bugs, issues, or suggestions in the itch.io community page.Read 7 Oct 2026 · kaiakairos.itch.io
API and SDK availability
The maker links source code and a tutorial, but the linked product page does not advertise a public API, SDK or hosted service.Read 15 Oct 2026 · kaiakairos.itch.io
Artwork replacement
A sprite's image can be replaced without rebuilding the rest of the avatar.Read 15 Oct 2026 · kaiakairos.itch.io
Avatar sharing
Avatar configurations can be saved and shared with other people.Read 15 Oct 2026 · kaiakairos.itch.io
Background
The background color can be changed for transparency or green-screen use in OBS.Read 7 Oct 2026 · kaiakairos.itch.io
Bounce and jiggle
Sprites can receive bounce and jiggle effects.Read 15 Oct 2026 · kaiakairos.itch.io
Developer technology
The repository README says the project is a Godot 4.1.2 stable project and warns that the code is a slop project that may not work in future Godot versions.Read 15 Oct 2026 · github.com
Download files
The itch.io download includes Windows, macOS and Linux ZIP archives plus a defaultAvatar.save file.Read 15 Oct 2026 · kaiakairos.itch.io
Drag physics
The software supports positional and rotational drag behind movement.Read 15 Oct 2026 · kaiakairos.itch.io
Images and animation
Users can add PNG images and use sprite sheets for animated sprites.Read 7 Oct 2026 · kaiakairos.itch.io
Independent feature summary
The independent pngtuber.cc guide describes microphone reactions, blinking, physics, costumes, hotkeys, sprite sheets and OBS workflows.Read 15 Oct 2026 · pngtuber.cc
Independent platform summary
The independent guide says Windows 10+, macOS and Linux are supported and estimates about 100 MB of storage.Read 15 Oct 2026 · pngtuber.cc
Independent rating
Steambase reports a Player Score of 83 out of 100 from 411 Steam reviews, classified as Very Positive, using data last updated 21 November 2025.Read 15 Oct 2026 · steambase.io
Itch rating
The itch.io listing is rated 4.7 out of 5 stars from 229 total ratings.Read 15 Oct 2026 · kaiakairos.itch.io
License terms
The repository license dedicates copyright to the public domain and permits copying, modification, compilation and commercial or non-commercial distribution without warranty.Read 15 Oct 2026 · github.com
Limit: abandonment concerns
Multiple Steam reviewers in 2025 described the software as abandoned or abandonware and recommended PNGTuber Remix instead.Read 15 Oct 2026 · steamcommunity.com
Limit: CPU and stability
Steam reviewers reported optimization problems, high CPU use, freezes, crashes with OBS and physics settings resetting between launches.Read 15 Oct 2026 · steamcommunity.com
Limit: microphone detection
Another reviewer said microphone detection could trigger on incidental noises, fail to react, or crash the computer when changing devices.Read 15 Oct 2026 · steamcommunity.com
Limit: microphone latency
One reviewer reported a one-to-two-second delay between speaking and the avatar beginning to talk.Read 15 Oct 2026 · steamcommunity.com
Limit: voice activity filtering
A Steam reviewer wanted voice-activity noise reduction such as Silero because non-voice sounds could activate the avatar.Read 15 Oct 2026 · steamcommunity.com
Maker identity
The maker presents as kaiakairos, an independent developer rather than a named software company.Read 15 Oct 2026 · kaiakairos.itch.io
Maker location
The developer's GitHub profile lists Omaha, Nebraska, United States.Read 15 Oct 2026 · github.com
Maker profile
The GitHub profile describes kaia as a game developer who mainly uses Godot and shows 14 repositories.Read 15 Oct 2026 · github.com
OBS integration
The app offers background-color options for transparent capture or green-screen use in OBS.Read 15 Oct 2026 · kaiakairos.itch.io
Open-source repository
The public GitHub repository identifies itself as PNGTuber Plus source code and is marked Unlicense.Read 15 Oct 2026 · github.com
Parent-child sprites
Sprites can be attached to other sprites so related parts move together.Read 15 Oct 2026 · kaiakairos.itch.io
PNG import
Users can import arbitrary PNG images as avatar artwork.Read 15 Oct 2026 · kaiakairos.itch.io
Praise: customization
A Steam reviewer said the program is easy to use and offers substantially deeper sprite customization than Veadotube Mini.Read 15 Oct 2026 · steamcommunity.com
Release update
The itch.io page reports an update on 16 September 2026, while its latest listed development release is version 1.4.5 from 26 March 2024.Read 15 Oct 2026 · kaiakairos.itch.io
Sine-wave motion
Sprites can be animated with sine-wave movement.Read 15 Oct 2026 · kaiakairos.itch.io
Source code
The maker links to a public GitHub repository containing the PNGTuber Plus source code.Read 7 Oct 2026 · github.com
Speaking and blinking
Individual sprites can appear or disappear based on speaking or blinking.Read 7 Oct 2026 · kaiakairos.itch.io
Speech and blink states
Individual sprites can appear or disappear according to speaking and blinking states.Read 15 Oct 2026 · kaiakairos.itch.io
Sprite motion
Sprites can move with sine waves, attach to other sprites, drag behind movement, and bounce or jiggle.Read 7 Oct 2026 · kaiakairos.itch.io
Sprite sheets
Sprite sheets can supply frame-based animated sprites.Read 15 Oct 2026 · kaiakairos.itch.io
Steam rating
Steam shows Very Positive feedback: 83% positive from 605 all-time reviews and 88% positive from 18 recent reviews.Read 15 Oct 2026 · store.steampowered.com
Steam release
Steam lists the software as released on 30 September 2023 by developer and publisher kaiakairos.Read 15 Oct 2026 · store.steampowered.com
Support channel
The maker directs bug reports, issues and suggestions to the itch.io community page.Read 15 Oct 2026 · kaiakairos.itch.io
System requirements
Steam specifies 64-bit Windows 10, 4 GB RAM, 2 GB graphics memory and 100 MB storage minimum; recommended memory and graphics are 8 GB and 4 GB.Read 15 Oct 2026 · store.steampowered.com
Tutorial status
The linked Google Docs tutorial is marked outdated but usable, with a Control+L step needed to save avatar image files.Read 15 Oct 2026 · kaiakairos.itch.io

Plans and prices

Free / name your own price Free The software is free; the developer accepts optional support payments. PNG avatar customization · Sprite sheets · Speaking and blinking reactions · Windows, macOS, and Linux builds Read 20 Sep 2026 · kaiakairos.itch.io
Free Free Steam listing · Windows 10 system requirements Read 7 Oct 2026 · store.steampowered.com
Name your own price Free Windows · macOS · Linux Read 7 Oct 2026 · kaiakairos.itch.io
Name your own price Price not published Name your own price Windows, macOS and Linux downloads · PNGTuber Plus 1.4.5 builds Read 15 Oct 2026 · kaiakairos.itch.io

Every PNGTuber Plus plan and price →

Strong points and limits

Strong points

  • Adds animation using sprite sheets.
  • Sprites can react to speaking or blinking.
  • Avatars can be saved and shared.
  • Builds are available for Windows, macOS, and Linux.

Limits

  • The listed Windows minimum is Windows 10.
  • Windows requirements include 4 GB RAM and 2 GB graphics.

Who it suits

It suits beginners who want to customize and animate a 2D PNG VTuber avatar. It is available on Windows, macOS, and Linux, with minimum Windows requirements listed separately.

Verdict

PNGTuber Plus offers avatar customization, motion effects, and speaking or blinking reactions without a software charge. Windows users should check the listed minimum requirements before installing.

Where Specifiction places it

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