ToolBunny
188+ free tools for developers, designers & creators.
Format, beautify, and standardize your SQL queries. Instantly turn unreadable, minified, or messy SQL statements into beautifully indented and color-coded code.
Quickly generate boilerplate code for various project setups, such as Dockerfiles, GitHub Actions, and more. Save time on initial configuration.
Visualize sorting algorithms like Bubble Sort and Merge Sort to understand how they work step-by-step. An educational tool for developers and students.
Create custom QR codes for URLs, text, Wi-Fi access, and more. Our generator allows you to customize the size and color of your QR code. Once generated, you can download the high-resolution QR code as a PNG file, ready for print or web use.
Generate universally unique identifiers (UUIDs) with a single click. This tool creates Version 4 (random) UUIDs, which are essential for databases, software development, and any system requiring unique IDs. Instantly get a new UUID whenever you need one.
A developer-focused tool to encode plain text into a Base64 string or decode a Base64 string back to its original text form. Essential for handling data in various web applications, APIs, and data transmission protocols where binary data needs to be safely transmitted as text.
Optimize your web code by minifying HTML, CSS, and JavaScript files to reduce their size and improve load times. Alternatively, use the beautifier to format and indent your code, making it more readable and easier to debug. An essential tool for any web developer.
Decode and inspect JSON Web Tokens (JWTs) with ease. Paste a JWT into the tool to see its header and payload in a readable JSON format. This is extremely useful for developers when debugging authentication and authorization issues in applications using JWTs.
Encode strings into a URL-safe format or decode URL-encoded strings back to their original form. This tool handles special characters to ensure your URLs are valid and work correctly. Essential for web developers and anyone working with query strings or dynamic URLs.
Convert special characters (like <, >, &) into their corresponding HTML entities to prevent them from being interpreted as HTML code. You can also decode HTML entities back into their original characters. A crucial tool for displaying code snippets or special characters on web pages safely.
Transform any AI prompt into multiple targeted variations across tone, length, format, persona, specificity, and speed. Perfect for prompt engineers, AI writers, and power users who want to explore the best framing for any instruction.
Compare generational variance between multiple AI response runs side-by-side. Spot differences, measure similarity scores, and analyse statistical variance across ChatGPT, Claude, Gemini and any LLM output.
Automatically split large documents and prompts into clean chunks that fit inside strict LLM context windows. Supports GPT-4o, Claude, Gemini and more with token estimation, overlap, prefix/suffix injection, and JSON export.
Convert standard conversational text files and chat transcripts instantly into structural API JSON code arrays for OpenAI, Anthropic, Gemini, Ollama, and JSONL fine-tuning.
Scale, down-sample, compress, and adjust dimensions for visual parsing engine inputs (GPT-4o, Claude 3.5 Sonnet, Gemini 1.5). Estimate vision tokens and generate Base64 API payloads.
Map context weights, learning rates, LoRA rank & alpha, batch size, and temperature interactively to conceptualize fine-tuning parameter scales and VRAM footprints.
Run 100% client-side cosine similarity comparisons over text arrays and raw high-dimensional vector embeddings safely in your browser.
Verify complex programmatic structural configurations instantly against JSON Schema parameters, infer schemas from data, and generate TypeScript types.
Format explicit user and system message pairs smoothly from CSV files into OpenAI JSONL, HuggingFace, Alpaca, and few-shot prompt datasets.
Quick-reference directory mapping system constraints, context limits, max tokens, pricing, and API parameter keys across global AI providers.