Ganbaro
A collection of open-source AI & utility tools.
Simple, fast, and free. No sign-up, no ads.
Tools (21 shown)
Repo Explainer
Explain any public GitHub repo: architecture, tech stack, and key insights.
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Doc Q&A
Upload a PDF and ask anything about its content. Powered by AI.
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PDF Reader
Listen to any text-based PDF read aloud. Adjust speed and voice.
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PDF Splitter
Split large PDFs into smaller chunks. Great before running OCR.
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PDF OCR
Extract text from scanned PDFs. Output as a text-based PDF. Max 50 pages.
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PDF to Image
Convert PDF pages to PNG or JPEG images. Choose page range and quality.
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ASCII Art
Convert any image into ASCII art. Download as PNG or JPG.
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File Compressor
Compress images, PDFs, and DOCX files locally. Nothing is uploaded to a server.
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Image to PDF
Combine multiple images into a single PDF. Reorder, choose page size, and download.
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PDF Merger
Combine multiple PDF files into one. Reorder pages before merging.
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Watermark PDF
Add a text watermark to every page of a PDF. Choose opacity, angle, and layout.
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Invoice Generator
Create and download professional PDF invoices. Add items, tax, and notes.
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Letterhead Generator
Design a company letterhead with your logo and brand color. Download as PDF.
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Paper Finder
Search 200M+ academic papers via OpenAlex. Get AI explanations of any paper.
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QR Code Generator
Generate QR codes from any URL or text. Customize colors and size. Download as PNG.
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Video Clipper
Upload a video and let AI find the best moments. Preview and download each clip.
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Video Splitter
Split long videos into smaller chunks by duration. 5, 10, 15, or 30-minute parts.
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Remove Background
Remove the background from any image using AI. Download as PNG. Runs in your browser.
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Change Background
Replace any image background with a clean solid color. Great for ID photos.
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Image Upscaler
Upscale images 2× or 4× with high-quality Lanczos resampling. Enlarge photos without blur. Runs in your browser.
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Paper Generator
Generate a full academic paper from a title. Set page count, references, and language. Real refs from OpenAlex.
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