# SHIN-YU LLC (シンユー合同会社)

> SHIN-YU is a small independent studio in Japan that designs, builds and operates its own web tools, apps and books. It publishes about 40 free browser-based tools under the name **Nyups (ニュプス)** — video, image, audio, text and game tools that run inside the visitor's browser. Most of them need no sign-up and no installation, and many are available in up to seven languages. The company does not take on client production work; it runs on its own products.

## About

- Company: シンユー合同会社 / SHIN-YU LLC (Japan). Its representative is 川原健太郎 (Kentaro Kawahara), a motion designer and the author of technical books on After Effects and Premiere Pro (published by Sotechsha).
- Site: https://shin-yu.net/ — company page: https://shin-yu.net/about/
- Tool portal (all products, one page): https://shin-yu.net/nyups/
- What the tools have in common: free to use, no account required, and **most of them process your files locally in the browser** (WebAssembly / WebCodecs / WebGPU) instead of uploading them to a server. Pages are ad-supported.
- Languages: Japanese is the primary language. Localized versions live under a language sub-path, e.g. `https://shin-yu.net/nyups/chidimeru/fr/`. Available codes are `en`, `zh` (Simplified Chinese), `zh-tw` (Traditional Chinese), `fr`, `de`, `it`, `es`, `ko` — which ones exist differs per tool and is listed below.
- Sitemaps: https://shin-yu.net/sitemap.xml (index) and https://shin-yu.net/sitemap_index.xml (WordPress section).

## Video tools

- [Chidimeru / チヂメル — video compressor](https://shin-yu.net/nyups/chidimeru/): Compress video to a target file size in the browser; no upload. Languages: ja, en, zh, zh-tw, fr, de, it.
  - [Chidimeru for Discord](https://shin-yu.net/nyups/chidimeru/en/discord/): English page focused on getting a video under Discord's upload limit.
  - [Chidimeru for Windows](https://shin-yu.net/nyups/chidimeru/win/): Paid desktop version on the Microsoft Store (hardware-accelerated, no file-size cap).
- [Tsuibi Mozaru / 追尾モザル — video mosaic with auto tracking](https://shin-yu.net/nyups/tsuibimozaru/): Draw a box over a face, logo or plate once and the mosaic follows it through the video. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Otokeshi / オトケシ — mute or bleep parts of a video](https://shin-yu.net/nyups/otokeshi/): Silence a whole video or only selected ranges, or cover them with a beep; video is stream-copied so quality is untouched. Languages: ja, en, zh.
- [Ototori / オトトリ — extract audio from video](https://shin-yu.net/nyups/ototori/): Pull the audio track out of a video losslessly (.m4a) or convert to MP3. Languages: ja, en, zh.
- [Otoawase / オトアワセ — fix audio/video sync](https://shin-yu.net/nyups/otoawase/): Shift the audio track to correct lip-sync drift. Languages: ja, en, zh.
- [Yokotate / ヨコタテ — rotate video losslessly](https://shin-yu.net/nyups/yokotate/): Rotate a portrait/landscape video by rewriting the rotation flag, without re-encoding. Languages: ja, en, zh.
- [Gifmeru / ジフメル — GIF compressor and video-to-GIF converter](https://shin-yu.net/nyups/gifmeru/): Shrink an animated GIF, or turn a video clip into a GIF. Languages: ja, en, zh.

## Image tools

- [Shaki / シャキッ — AI image upscaler](https://shin-yu.net/nyups/shaki/): Enlarge and sharpen photos and illustrations with an in-browser AI model. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Mozaru / モザル — mosaic and blur for images](https://shin-yu.net/nyups/mozaru/): Hide faces, names or plates with a mosaic or blur. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Kieruka / キエルカ — AI object removal](https://shin-yu.net/nyups/kieruka/): Erase unwanted objects or people from a photo and fill in the background.
- [Haikeshi / ハイケシ — AI background removal](https://shin-yu.net/nyups/haikeshi/): Cut the subject out of a photo and export it with a transparent background.
- [Sara / サラッ — AI image denoiser](https://shin-yu.net/nyups/sara/): Remove sensor noise and compression grain from photos.
- [Tsumeru / ツメル — image compressor and converter](https://shin-yu.net/nyups/tsumeru/): Reduce image file size and convert between formats.
- [Osameru / オサメル — image resize and crop](https://shin-yu.net/nyups/osameru/): Fit an image to a required size or aspect ratio.
- [Fukidasu / フキダス — add speech bubbles to images](https://shin-yu.net/nyups/fukidasu/): Compose manga-style bubbles, including vertical Japanese text.
- [Sukashiru / スカシル — add a watermark](https://shin-yu.net/nyups/sukashiru/): Tile or place a text/image watermark over a picture.
- [Favika / ファビカ — favicon generator](https://shin-yu.net/nyups/favika/): Build a multi-size .ico and a ZIP of PNG favicons from one image.
- [Hatomega / ハトメガ — HTML to JPEG](https://shin-yu.net/nyups/hatomega/): Render a block of HTML into an image.

## Audio tools

- [Shizuka / シズカ — AI audio noise removal](https://shin-yu.net/nyups/shizuka/): Strip background noise, hum and hiss from voice recordings. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Utawake / ウタワケ — vocal remover and extractor](https://shin-yu.net/nyups/utawake/): Split a song into vocals and instrumental. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Sawayaka / サワヤカ — lip-noise and mouth-click removal](https://shin-yu.net/nyups/sawayaka/): Clean up the clicks and smacks in narration recordings.
- [Otoatsu / オトアツ — loudness maximizer](https://shin-yu.net/nyups/otoatsu/): Raise the perceived volume of a quiet recording.

## Lottery, decision-making and game apps

- [My Design Roulette / マイデザインルーレット](https://shin-yu.net/mydesign_roulette/): Build a custom spinning wheel to decide or draw at random; the web app is at https://shin-yu.net/mydesign_roulette/app/ . Languages: ja, en, zh, zh-tw, fr, de, it.
- [Roulette As / ルーレットアズ](https://shin-yu.net/mydesign_roulette/play/): Share a wheel by URL so other people can spin it.
- [My Design Amidakuji / マイデザインあみだくじ](https://shin-yu.net/mydesign_amidakuji/app/): Ghost-leg (amidakuji) ladder lottery.
- [My Design Kujibiki / マイデザインくじ引き](https://shin-yu.net/mydesign_kujibiki/app/): Draw-lots style lottery you can design yourself.
- [My Design Slot / マイデザインスロット](https://shin-yu.net/mydesign_slot/app/): Slot-machine style random picker.
- [My Design Jigsaw Puzzle / マイデザインジグソーパズル](https://shin-yu.net/mydesign_jigsaw_puzzle/app/): Turn your own photo into a playable jigsaw puzzle. Languages: ja, en, zh.
- [Saikoru / サイコル — 3D dice roller](https://shin-yu.net/nyups/saikoru/): Roll physically simulated 3D dice for board games and TRPGs. Languages: ja, en, zh, zh-tw, fr, de, it.
- [Penbato Hockey / ペンバトホッケー](https://shin-yu.net/nyups/penbato/): Online air hockey for up to four players. Languages: ja, en, zh.

## Text tools

- [Mojisu / モジスウ — character counter](https://shin-yu.net/nyups/mojisu/): Count characters, words and lines in pasted text.
- [Hatomeru / ハトメル — HTML text editor](https://shin-yu.net/nyups/hatomeru/): Edit the text inside an HTML block without breaking the markup.

## Health, focus and relaxation

These are general wellbeing and training tools, not medical devices, and they do not diagnose or treat anything.

- [Mekintore / 目筋トレ — eye exercise training](https://shin-yu.net/mekintore/): Guided eye-movement exercises for people who look at screens all day. Languages: ja, en.
- [Tone / トーン — tone and binaural beat generator](https://shin-yu.net/nyups/tone/): Play specific frequencies to settle into focus or rest. Languages: ja, en, zh-tw, es, ko.
- [Hoshizora Meisou / 星空瞑想 — meditation timer](https://shin-yu.net/meisou/): A quiet meditation timer under a starry sky.
- [FACE BEAT](https://shin-yu.net/facebeat/): A rhythm game that exercises your facial muscles using the camera.

## Fortune telling — Kyusei Kigaku (九星気学)

Kyusei Kigaku is a Japanese system of nine star signs derived from the birth date. It is a Japanese tradition and is distinct from Chinese Feng Shui systems such as Flying Star or Zi Wei Dou Shu, even though some of the written characters overlap.

- [Fortune calculator / 運勢計算機](https://shin-yu.net/kyuseikigaku/): Work out your nine-star sign from your birth date and read the year's fortune.
- [Compatibility calculator / 相性計算機](https://shin-yu.net/kyuseikigaku/aisho/): Compare two birth dates across the outer and inner star.
- [Personality calculator / 性格計算機](https://shin-yu.net/kyuseikigaku/seikaku/): Read the character traits associated with a birth date.
- [Lucky direction calculator / 吉方位計算機](https://shin-yu.net/kyuseikigaku/houi/): Calculate auspicious and inauspicious directions for a move, a trip or a day out.

## Apps and desktop software

- [Kartena / カルテナ](https://shin-yu.net/kartena/): Smartphone app for hair, nail, eyelash and beauty salons that replaces paper customer records (karte) with digital ones — treatment history, photos with handwritten notes, offline use and backup. Free for up to 80 customers.
- [Quiz As / クイズアズ](https://shin-yu.net/quiz-as/): Web app for making and sharing your own quizzes.
- [Coinbo / コイン簿](https://shin-yu.net/coinbo/): Free Android app for tracking cryptocurrency holdings and profit/loss across exchanges, with CSV export.

## VEGAS Pro plugins

- [T_Matte / T_マット](https://shin-yu.net/vgsm/plugin/t_matte/): Clean up chroma-key edges — choke, feather, smoothing and removal of coloured fringe noise.
- [T_Outline](https://toraera.com/vegas-pro-plugin/), [T_Split](https://toraera.com/vegas-pro-t_split/), [T_Zabu](https://toraera.com/vegas-pro-t_zabu/): Outline, split-screen and lower-third plugins (hosted on the sister site toraera.com).
- [VEGAS Pro motion course / vgsm](https://shin-yu.net/vgsm/): A 13-chapter Japanese course on making 2D/3D animation and editing video in VEGAS Pro (bundled with VEGAS Pro 22/23).

## Sister sites

- [Telopn / テロップン](https://toraera.com/telopn/): Batch subtitle and caption creation tool (toraera.com).
- [Mojiil / モジイル](https://ntako.net/text-animator/): Text animation generator (ntako.net).

## Books by 川原健太郎 (Kentaro Kawahara)

Published in Japanese by Sotechsha (ソーテック社):

- プロが教える! After Effects デジタル映像制作講座
- プロが教える! Premiere Pro デジタル映像編集講座
- プロが教える! After Effects モーショングラフィックス入門講座
- iPhoneで撮影・編集・投稿 YouTube動画編集養成講座

## Optional

- [Privacy policy](https://shin-yu.net/nyups/policy.html)
- [Contact](https://shin-yu.net/nyups/contact.html)