“Gemini”

Send a system prompt plus content to a chosen Gemini model and read the response, with your own API key.

Bare-bones chat page that talks to a selectable Gemini model using your own Google API key.

Simple single- or multi-speaker speech generator for the Gemini Flash TTS model with directorial tags.

Talk to a Gemini Live model by voice in the browser, with transcripts and optional pasted document context.

Drawing canvas where Gemini adds to or refines your sketch from a text prompt; needs a Gemini API key.

Reads text aloud with Google Gemini speech voices, with a voice picker and audio download.

Asks Gemini to locate objects in an image and draws the returned bounding boxes on top.

Requests segmentation masks from Gemini for objects in an image and overlays them for inspection.

Compose single-voice or conversation scripts, set delivery style and voices, and render speech with Gemini TTS.

Looks up US places and their American Community Survey statistics via the Census Reporter API.

Open prompt library for ChatGPT, Claude and Gemini that you can browse, copy and share.

Pass-the-phone social deduction game where one player does not know the secret word; made with Gemini Canvas.

Click to launch fireworks, with an AI director that designs themed shows; made with Gemini Canvas.

Multilingual lucky draw page with adjustable draw speed, a winner list and draw statistics; built with Gemini Canvas.

Five-letter word guessing game modeled on Wordle, produced from two prompts in Gemini Canvas.

Counts tokens for GPT, Claude, Gemini and Grok text and shows the token split and costly words.

Try one JavaScript library against OpenAI, Anthropic or Gemini models by picking a provider and pasting a key.

Helps you build an Agent Skill (SKILL.md) by choosing a job, rules and a personality.

Converts new-format .xmind mind maps into clean Markdown that you can copy or download.

Classic snake game on a grid with a game-over state.

Creates a conversational podcast from text, URLs or PDFs; a Gemini key is required.

Estimates per-call and monthly API cost for OpenAI, Anthropic, Gemini, xAI, DeepSeek and others from token counts.

Token counter and API price calculator that compares costs for GPT, Claude, Gemini, Llama and DeepSeek.

Playable Tetris with a game-over screen, built as a single React artifact.