Free Image Tools That Never See Your Photos

60 tools powered by AI and WebGPU — all running 100% in your browser. Your files never leave your device.

AI-Powered

✂️Remove BackgroundAI-powered background removal — 100% in your browser🔍Blur BackgroundKeep subject sharp, blur everything else — 100% in your browser🎨Change BackgroundRemove background and replace with any solid color😶‍🌫️Blur FaceDetect and blur faces for privacy — 100% in your browser🔎Upscale ImageEnlarge images 2x–4x with smooth interpolation — no upload needed🎨Colorize ImageAdd warm tones, sepia, or custom color tint to your images

Edit & Transform

↔️Resize ImageChange image dimensions — instantly in your browser⬜Crop ImageSelect and crop any area — right in your browser🔄Rotate & FlipRotate or flip your image — instantly in your browser🎛️Adjust ImageFine-tune brightness, contrast, saturation and more🌈Image FiltersApply beautiful filters — instantly in your browser⭕Round CornersAdd rounded corners or circle crop to your image🖨️Change Image DPIChange image DPI/PPI resolution for printing — see physical print size🔲Image SplitterSplit images into grid pieces — perfect for Instagram carousels🔍Image CompareCompare two images side by side with an interactive before/after slider

Creative

💧Add WatermarkProtect your images with custom text watermarks😂Meme GeneratorCreate memes with classic Impact font — all in your browser🟩Pixelate / MosaicApply pixelation effect to your image🔣Image to ASCII ArtTransform any image into ASCII art — right in your browser🎞️GIF MakerCombine images into an animated GIF — all in your browser🎞️APNG / Spritesheet MakerCombine images into animated PNG spritesheets — better quality than GIF

Optimize & Convert

📦Compress ImageReduce file size without losing quality — all in your browser🔁Convert FormatConvert between PNG, JPG, WebP — instantly in your browser🔀SVG to PNGConvert SVG vector graphics to PNG at any resolution📄Image to PDFCombine images into a single PDF — all in your browser📱HEIC to JPGConvert HEIC/HEIF photos from iPhone to JPG or PNG — no upload needed🖼️AVIF ConverterConvert images to modern AVIF format or AVIF to PNG — in your browser📐PSD ViewerOpen and preview PSD files — see metadata and export as PNG

Batch Tools

📦Batch CompressCompress multiple images in bulk — all in your browser🔁Batch ConvertConvert multiple images between formats — all in your browser↔️Batch ResizeResize multiple images in bulk — all in your browser

PDF Tools

📑Merge PDFMerge multiple PDF files into a single document — all in your browser✂️Split PDFSplit a PDF into separate files or extract specific pages🗜️Compress PDFReduce PDF file size with adjustable quality levels🖼️PDF to ImageExport PDF pages as high-quality PNG or JPG images

Document Conversion

📝Markdown ↔ HTMLConvert Markdown to HTML or HTML to Markdown with live preview📊CSV ↔ JSONConvert CSV to JSON or JSON to CSV with custom delimiters⚙️YAML ↔ JSONConvert YAML to JSON or JSON to YAML with validation

Text Tools

🔢Word CounterAnalyze text — word count, characters, reading time, and top words🔤Case ConverterConvert text between uppercase, lowercase, camelCase, and more🧹Remove DuplicatesRemove duplicate lines from text with sorting and trimming options🔍Regex TesterTest and debug regular expressions with real-time matching📃Text DiffCompare text side by side — highlights every change📜Lorem Ipsum GeneratorClassic lorem ipsum placeholder text — paragraphs, sentences, or words🔊Text to SpeechListen to any text using built-in browser voices — free, offline, 50+ languages

Media Tools

📺M3U8 PlayerPaste an M3U8 URL to play HLS streams directly in your browser — no software needed

Developer Tools

{ }JSON FormatterPretty-print, minify, and validate JSON with statsImage to Base64Convert images to Base64 data URIs — perfect for embedding in code#️⃣Hash GeneratorGenerate cryptographic hashes from text or files🔗URL Encoder / DecoderEncode or decode URLs and query strings instantly🕐Timestamp ConverterConvert between Unix timestamps and human-readable dates📏Unit ConverterConvert between units for length, weight, temperature, data, and more🎨Color ConverterConvert colors between HEX, RGB, HSL, CMYK, and HSV formats🔑JWT DecoderDecode JSON Web Tokens — see header, payload, and expiration🆔UUID GeneratorGenerate universally unique identifiers — offline and secure

Utilities

🕵️EXIF RemoverEXIF / Metadata Remover🎯Color PickerPick any color from your image — click to save to palette📱QR GeneratorGenerate QR codes for URLs, text, or any data — offline▮▯▮Barcode GeneratorGenerate barcodes in Code128, EAN-13, UPC-A, and more formats⭐Favicon GeneratorGenerate ICO + PNG favicons in all sizes from a single image🔐Password GeneratorCryptographically secure passwords — generated locally in your browser

Why ToolKoala?

  • 100% Private — Images processed entirely in your browser. Nothing is ever uploaded.
  • Lightning Fast — WebGPU accelerates AI on your GPU. No waiting for servers.
  • Truly Free — No limits, no watermarks, no sign-up. Unlimited forever.
  • Works Everywhere — Desktop, tablet, phone. Chrome, Firefox, Safari, Edge.

How It Works

  1. Drop your image
  2. AI processes it locally
  3. Download the result

No servers involved. AI models run in your browser via WebGPU & WebAssembly.