AI Services in Idea Support / Creative Tools

Tools that help expand thinking and spark new ideasFeaturing 8 AI services in total.

ユーディオ

Udio

A music generation AI that creates full songs—complete with vocals—from text prompts. Lets you specify lyrics, genre, and mood, and supports inpainting (swapping out sections), extending tracks, and generating from uploaded audio. Can sing in Japanese, making it useful for creating BGM for videos and streams, or for rapid ideation. Available on a free plan; commercial use enabled on higher tiers.

# 音楽生成# アイデア支援／創造ツール# エンタメ／ゲーム・遊び

スードウライト

Sudowrite

An AI writing tool built specifically for fiction and creative storytelling. Features include Story Bible for developing ideas into chapter outlines, Write for suggesting continuations, Describe for vivid scene-setting, Brainstorm for idea expansion, and Expand for fleshing out prose. Designed as a creative co-author for writers. Interface and optimization are primarily English-focused; Japanese creative writing is not practically supported.

# テキスト生成# コピーライティング# アイデア支援／創造ツール# 品質向上・クリエイティブ支援

ビジュアルエレクトリック

Visual Electric

An AI image generation tool designed for designers. It produces high-quality photorealistic images from prompts to support professional creative visual work.

# 画像生成# アイデア支援／創造ツール

プレイグラウンドエーアイ

Playground AI

A free image generation AI that creates high-quality artwork from text prompts. Suitable for personal and commercial use, with extensive customization options.

# 画像生成# アイデア支援／創造ツール

ステーブルディフュージョン

Stable Diffusion

An open-source AI image generation model that produces high-quality images from text prompts. Developed by Stability AI, it can be run locally and supports advanced customization through tools like ComfyUI and Automatic1111. Model weights are publicly available, enabling free fine-tuning and custom model creation.

# 画像生成# 生成AI（LLM）# アイデア支援／創造ツール# 日本語対応

ナイトカフェ

NightCafe

An AI art creator platform that lets you switch between multiple image generation models including Stable Diffusion, DALL-E, Flux, and SDXL. Features community artwork sharing, likes, and contests — an AI image generation experience with a social media feel. Beginner-friendly credit-based pricing makes it easy to try.

# 画像生成# アイデア支援／創造ツール

ロバート

Lovart

An AI design agent for creators that generates illustrations, manga, concept art, and stickers from text or reference images while maintaining consistent character design and visual style. Goes beyond simple image generation with 'character consistency' across a series and a wide selection of art styles.

# デザイン生成# 画像生成# 動画生成# 音声生成# 音楽生成# アイデア支援／創造ツール# 品質向上・クリエイティブ支援# AIエージェント

アニロール

Anirole

An entertainment app for role-playing and chatting with AI characters. Features emotionally rich conversations with anime, game, and original characters, plus the ability for users to create and publish their own characters. Offers voice actor audio and multilingual support for immersive AI companion and world-building experiences.

# AIチャットボット# ボイスボット# 品質向上・クリエイティブ支援# アイデア支援／創造ツール# エンタメ／ゲーム・遊び# 日本語対応