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.

✓ Free Forever · ✓ No Signup · ✓ No Upload · ✓ Works Offline

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

PDF Organize

📑Merge PDFMerge multiple PDF files into a single document — all in your browser✂️Split PDFSplit a PDF into separate files or extract specific pages🔄Rotate PDFFix sideways scans or flip specific pages — entirely in your browser📄Extract PDF PagesSave selected pages as a new PDF — free, in-browser, no upload🗑️Delete PDF PagesDelete any pages you don't need and save the result — browser-based🔀Reorder PDF PagesDrag pages into the order you want and save a new PDF — no upload🔁Reverse PDFFlip the page order — last page becomes first📋Duplicate PDF PagesDuplicate any pages and insert copies into the same document

PDF Convert

🖼️PDF to ImageExport PDF pages as high-quality PNG or JPG images📝PDF to WordTurn a PDF into a Word document — layout, fonts, and images preserved📊PDF to ExcelTurn PDF tables into editable Excel spreadsheets📽️PDF to PowerPointEach PDF page becomes a PowerPoint slide📃PDF to TextPull all text out of a PDF as a plain .txt file📝Word to PDFTurn Word documents into shareable PDFs📊Excel to PDFExport Excel spreadsheets as printable PDFs📽️PowerPoint to PDFExport slides as a shareable PDF🖼️PDF to PNGConvert PDF pages to PNG images — high quality, in-browser🖼️PDF to JPGConvert PDF pages to JPG/JPEG images — perfect for sharing🖼️PDF to WebPConvert PDF pages to WebP — smaller files, same quality📄PNG to PDFCombine PNG images into a single PDF — drag, reorder, save📄JPG to PDFCombine JPG images into a single PDF — drag, reorder, save📄WebP to PDFCombine WebP images into a single PDF — drag, reorder, save

PDF Edit

🗜️Compress PDFReduce PDF file size with adjustable quality levels💧Add WatermarkAdd a watermark to every PDF page — text or image🔢Add Page NumbersAdd page numbers to any PDF with custom style and position🏷️Edit PDF MetadataEdit PDF metadata — title, author, subject, keywords✂️Crop PDFRemove white space or crop pages to a specific region📐Flatten PDFMake filled-in PDF form data uneditable📏Add Header & FooterAdd custom headers and footers to every PDF page↔️Resize PDFChange PDF page size to A4, Letter, A3, or custom dimensions

PDF Security

🔓Unlock PDFStrip the password so you can open, print, or edit freely🔐Password Protect PDFEncrypt your PDF with AES — block opening, printing, or editing🔎PDF OCRExtract text from scanned PDFs — 100+ languages, runs in-browser✍️Sign PDFSign PDFs with a drawn, typed, or uploaded signature🔍Compare PDFsSpot differences between two PDF versions⬛Redact PDFPermanently remove sensitive text or regions🧹Sanitize PDFStrip metadata, hidden text, and embedded scripts before sharing✅Verify PDF SignatureVerify a PDF's digital signature and tamper status

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📊JSON to CSV / Excel ConverterPaste a JSON array of objects and download it as CSV or an Excel (.xlsx) file — handles nested keys, quoting and custom delimiters. 100% in your browser.⚙️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

🎬Video CompressorCompress MP4, WebM, MOV — no upload, no signup, no watermark🎵MP3 CompressorShrink audio files with adjustable bitrate — no upload, no signup, no watermark🎞️Video to GIFConvert video clips to high-quality animated GIFs — no upload, no watermark🎵Video to MP3 — Extract AudioPull the audio out of any video (MP4, MOV, WebM, MKV…) and save it as MP3, M4A or WAV. 100% in your browser — your video is never uploaded.📺M3U8 PlayerPaste an M3U8 URL to play HLS streams directly in your browser — no software needed

Developer Tools

{ }JSON Formatter & BeautifierJSON pretty-print, beautifier, minifier, and validator — all in your browserImage 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📍What's My IP & LocationSee exactly what your IP reveals to every website you visit — location, ISP, timezone. Read straight from Cloudflare's edge, no third-party.🛡️AdBlock TestCheck whether an ad blocker is active in your browser — and exactly what it's blocking. Runs entirely on your device.🎯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🔤Image to Text (OCR)OCR for photos, screenshots, scans, handwriting — no upload, no signup✍️Signature GeneratorDraw your signature with a mouse or finger, or type your name in a handwriting font — then download a transparent PNG. Nothing is ever uploaded.

Social Media

📐Social Media Image ResizerOne image → Instagram, Twitter, YouTube, TikTok and more — all at once📱Instagram Grid MakerPerfectly aligned Instagram profile grid — defaults to 4:5 (1080×1350), the current profile display ratio🎠Instagram Carousel MakerMake a single-post carousel from one wide image — users swipe through 2-10 slides👤Profile Picture CropperCrop a profile picture and preview how it'll look as a circle on every platform — drag focal point for perfect centering

Random & Decision

🤔Decision MakerCan't decide? Type your options and let the tool pick one for you — fair, random, and instant.🎡Spin the WheelAdd your options, spin the wheel, and let it land on one at random — wheel of names, prize picker, or just for fun.🎉Raffle / Random Name PickerPick winners fairly from a list of names — for giveaways, prize draws, or who's up next. Crypto-random, no sign-up.👥Random Group GeneratorSplit a list of names into fair, random groups — by number of groups or people per group. Great for events, classes, and teams.🪙Coin FlipFlip a virtual coin — heads or tails — with a fair 50/50 result and a running tally.🎲Dice RollerRoll virtual dice — pick how many and how many sides (d4 to d20) — with a fair result and total.🔢Random Number GeneratorGenerate random numbers in any range — one or many, with optional no-repeats. Crypto-fair, instant.

Puzzles & Games

🧩SudokuA clean Sudoku you can play here or print. Four difficulties, a new daily puzzle, pencil marks and hints — and a printable PDF (with the solution) for pen and paper.⤬Diagonal Sudoku (X-Sudoku)Sudoku with a twist: the two diagonals must also hold 1–9. Play free in your browser, or print it to PDF.🧒Sudoku for Kids (4×4 & 6×6)Smaller, friendlier Sudoku for children — 4×4 and 6×6 grids to play here or print as a worksheet.🔤Word SearchFind the hidden words by dragging across the grid — or print a worksheet to solve on paper. Pick a theme or type your own words.🧮2048Join the numbers to get to the 2048 tile. Arrow keys on desktop, swipe on mobile.

📝 From the blog

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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.