Free Image Tools That Never See Your Photos

100+ free tools for images, PDFs, video and more — all running 100% in your browser. Your files never leave your device.

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

NEW 📡 Share Files Between Devices Files go straight from your device to theirs — no server in the middle, and no me either. Just a 6-digit code, and your files never touch my machine. Try Share Files →

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✨AI Image UpscalerUpscale images 2x or 4x with a real AI super-resolution model — runs 100% in your browser, no upload🎨Colorize ImageAdd warm tones, sepia, or custom color tint to your images

Edit & Transform

🖌️Online Photo Editor (with Layers & PSD)A free, Photoshop-style photo editor with layers, masks, selections, adjustment layers, AI background removal and real .psd support. Your photos are never uploaded — it all runs on your device.↔️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 an editable Word document — headings, paragraphs and images carried over📊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 — 12 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📡Share Files Between DevicesSend files phone-to-PC — or anywhere — straight between two browsers. No upload, no account, no email. One device makes a code, the other joins, and the files fly device-to-device.📍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.🔍Odd One Out — Emoji QuizEvery tile is the same emoji — but one is drawn by a different design set. Can you find it?🚩Guess the Flag — Emoji QuizOne flag, four answers, and a clock. The wrong answers are picked to look like the right one.🐾Guess the Animal — Emoji Silhouette QuizColour is gone. Only the shape is left. Can you still tell a goat from a llama?⏳Older or Newer — Emoji Timeline QuizEmoji arrived in waves. Can you tell a 2010 original from a 2021 newcomer?🖼️NonogramThe numbers tell you the runs of filled squares. Work them out and a picture appears.

📝 From the blog

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Why ToolKoala?

  • 100% Private — Images processed entirely in your browser. Nothing is ever uploaded.
  • Lightning Fast — No upload, no queue — your own device does the work, so results start the moment you drop a file.
  • 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. Everything runs in your browser, mostly WebAssembly on your CPU (the AI upscaler also uses WebGPU when available).