免费 AI 驱动的 图像工具

Image Converter

Convert between JPG, PNG, WebP, GIF, BMP, and TIFF formats instantly. Batch conversion supported.

HEIC Converter

Convert HEIC (iPhone photos) to JPG, PNG, or WebP. Free, browser-based, no uploads. Powered by heic2any.

SVG to PNG

Convert SVG vector files to PNG, JPG, or WebP. High-quality rasterization at 1x-4x scale. Upload files or paste SVG code directly.

🅰

AVIF Support

Check browser AVIF support, decode AVIF images, and convert to JPG/PNG/WebP. Test Chrome, Firefox, Safari.

Decode

✂️ 缩放与裁剪

缩放、裁剪、分割图片到任意尺寸。

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Image Resizer

Resize images by pixel dimensions or percentage. Maintain aspect ratio or crop freely. Batch resize multiple images at once.

Resize

Image Cropper

Free-form and preset aspect ratio cropping. Perfect for social media dimensions (Instagram, Facebook, Twitter, LinkedIn).

🖨️

Print-Ready Resizer

Resize images for printing with exact DPI and paper sizes. A4, Letter, A5, 4×6, business cards. 72-600 DPI quality control.

Resize

⭕

Circle Crop

Crop any image into a perfect circle with transparent background. Perfect for avatars, profile pictures, and social media.

Image Splitter

Split images into grid pieces for Instagram carousels and grid feeds. Supports 2×2, 3×3, and more.

Utility

🎨 编辑与特效

滤镜、调整、旋转和创意特效。

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Image Filters

Apply 15+ preset filters and fine-tune brightness, contrast, saturation, blur, and hue. Grayscale, sepia, vintage, vibrant and more. Instant preview.

Image Rotator & Flipper

Rotate images by any angle or flip them horizontally and vertically. Quick 90° rotations, custom angles, and mirror effects. Fix orientation in seconds.

🎚️

Image Adjustment

Adjust brightness, contrast, and saturation with live preview. Fix underexposed photos, boost colors, or create black-and-white effects in seconds.

Image Border & Corners

Add rounded corners and custom borders to images. Make perfect circle profile pictures, add frames to product photos, all in your browser.

Image Flip

Flip images horizontally or vertically with a mirror effect. Fix selfie orientation or create symmetric designs.

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Image Grayscale & Color

Convert images to grayscale, sepia, or invert colors. Multiple color effects for creative projects.

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Image Drop Shadow

Add realistic drop shadow to images. Customize offset, blur, and color for e-commerce and social media.

Image Merger & Collage

Combine multiple images into one. Create photo collages, merge horizontally or vertically. Adjust spacing, corners, and background color.

Merge

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Watermark Tool

Add text or image watermarks. Adjust opacity, position, size, and rotation to protect your images from unauthorized use.

Protect

✨ AI 增强

AI 驱动的抠图、放大、增强和修复。

Background Remover

AI-powered instant background removal. Upload an image and get a transparent PNG in seconds. Uses WebAssembly + ONNX for local processing.

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Image Upscaler

Enlarge images to 2x, 3x, or 4x with smart interpolation and sharpening. Perfect for printing, wallpapers, and high-resolution displays.

Enhance

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AI Image Enhancer

Enhance photos with AI filters. Adjust brightness, contrast, saturation, sharpen. Auto-enhance with one click. 100% browser-based.

😶

Face Blur

Automatically detect and blur faces in images. Protect privacy before sharing photos online. MediaPipe powered.

Privacy

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Old Photo Restoration

Restore old, scratched, and faded photos. Remove noise, fix scratches, enhance contrast, bring memories back.

🎯 创建与设计

添加文字、制作表情包、GIF、社交媒体帖子和商品图。

✏️

Text on Image

Add custom text to images with beautiful fonts, colors, shadows, and outlines. Drag to position, rotate, and style. Perfect for memes, quotes, and watermarks.

Create

😂

Meme Generator

Create viral memes with famous templates or your own image. Add custom top/bottom text with outline, font size, and case options.

Create

🎬

GIF Editor

Create animated GIFs from multiple images. Adjust frame delay, resize, and optimize. gif.js powered.

Create

🎞️

QR Code Generator

Create custom QR codes for URLs, text, WiFi, email, and SMS. Adjustable size, colors, and transparent background.

✍️

Signature Maker

Draw or type your digital signature. Multiple handwriting fonts, colors, and sizes. Download as transparent PNG, JPG, or SVG.

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Favicon Generator

Generate all favicon sizes (16-512px) plus ICO file and PWA manifest from a single image. Download as ZIP.

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Screenshot to Image

Wrap screenshots in beautiful frames with gradient backgrounds, rounded corners, shadows, and browser or device mockups. Perfect for social media and presentations.

Present

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Social Media Post Maker

Design Instagram, Facebook, Twitter, TikTok, and LinkedIn posts with text overlays. Free templates.

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ID Photo Maker

Create passport, visa, and ID photos for 30+ countries. Auto-crop, background removal, proper sizing.

🛍️

Product White Background

Create clean white-background product photos for e-commerce. Batch backgrounds for Amazon, Mercado Libre.

🔧 实用与分析

OCR、批量处理、颜色提取、对比和元数据工具。

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OCR Image to Text

Extract text from any image using AI-powered OCR. Supports 100+ languages, output as editable text or TXT file.

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Bulk Image Processor

Batch resize, convert format, and add watermark to dozens of images at once. Download all as ZIP.

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Color Palette

Extract dominant colors from any image. Generate CSS color palettes and export as HEX, RGB, or HSL values automatically.

Analyze

Image Compare

Compare two images with interactive slider, side-by-side, or overlay mode. Perfect for before/after and compression quality checks.

Analyze

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Base64 Encoder

Convert images to Base64 data URLs and vice versa. Useful for embedding images directly in HTML, CSS, or JSON files.

Utility

📋

Metadata Viewer

View hidden EXIF, IPTC, XMP, and GPS metadata in images. See camera settings and location data.

Analyze

🗑️

EXIF Remover

Strip hidden metadata from images to protect your privacy. Remove GPS location, camera info, and more.

Privacy

📝 文本与开发者工具

文本处理、代码格式化和开发者工具。

📝

Word Counter

Count words, characters, sentences, paragraphs, and reading time in real time. Paste any text and see statistics instantly.

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JSON Formatter

Format, validate, minify, and beautify JSON with syntax highlighting. Detect errors and clean up messy JSON data.

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Regex Tester

Test JavaScript regular expressions with real-time matching, highlight, and detailed match info including capture groups.

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URL Encoder

Percent-encode and decode URL strings, query parameters, and form data according to RFC 3986 standard.

🆔

UUID Generator

Generate UUID v4 (random), v7 (time-ordered), and v1 (timestamp) in bulk. Up to 10,000 per generation.

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Password Generator

Create secure, cryptographically random passwords. Customize length, character types, exclude ambiguous characters.

Security

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Case Converter

Convert text to UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, and kebab-case.

↕️

Text Sorter

Sort lines alphabetically, numerically, by length, reverse order, random shuffle, and remove duplicate lines.

↔️

Text Diff Checker

Compare two text inputs and see differences highlighted line by line. LCS-based diff algorithm, same as Git.

Find & Replace

Search and replace text with optional regex, case sensitivity, and replace-all modes. Backreference support in regex mode.

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HTML Entity Encoder

Encode special characters to HTML entities (&, <, >, ", ') and decode entities back to text.

📄 PDF 工具

在浏览器中合并、拆分、压缩、旋转和编辑 PDF 文件。

🗂️ Organize & Pages

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PDF Merge

Combine multiple PDF files into a single PDF. Files are merged in the order you select them. All in your browser.

PDF Splitter

Split PDF into multiple files. Choose every N pages, specific page ranges, or extract every page as a separate file.

🗑️

PDF Delete Pages

Remove specific pages or page ranges from a PDF. Enter page numbers like '2, 5-7, 10' to delete them.

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PDF Extract Pages

Extract specific pages or ranges from a PDF into a new PDF file. Keep only the pages you need. Privacy first.

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PDF Organize

Reorder, delete, and duplicate PDF pages via drag-and-drop thumbnails. Visual page management. 100% browser-based.

PDF Rotator

Rotate PDF pages 90°, 180°, or 270°. Apply to all pages or specific page ranges. Browser-based, nothing uploaded.

PDF Crop

Crop PDF page regions visually. Drag to select the crop area and apply to the current page or all pages. Privacy first.

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PDF Number Pages

Add page numbers to PDF. Choose position (top/bottom, left/center/right), format, and starting number. Browser-based.

✏️ Edit & Annotate

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PDF Editor

Add text, images, and shapes to PDF pages. Click to place elements, adjust font, size, and color. 100% in your browser.

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PDF Annotate

Add highlights, underlines, and text notes to PDF. Highlight passages, underline key points, and leave comments. No uploads.

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Redact PDF

Black out sensitive information in PDFs. Drag rectangles to permanently cover private data. Local processing — perfect for privacy.

🗜️ Compress & Compare

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PDF Compressor

Reduce PDF file size by optimizing content, flattening annotations, and removing unnecessary metadata. Browser-based.

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PDF Compare

Compare two PDFs side by side. Renders each page and highlights identical vs. different pages. No uploads.

📥 Convert TO PDF

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Image to PDF

Convert multiple images into a single PDF file. Choose page size, margins, and orientation. 100% in browser.

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Word to PDF

Convert Word (.docx) to PDF. Extracts text and paragraphs, renders a clean PDF. 100% in your browser.

Excel to PDF

Convert Excel (.xlsx) to PDF. Each sheet becomes a page with an auto-fitted table. Browser-based, no uploads.

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HTML to PDF

Convert HTML files or pasted code to a searchable, text-based PDF. Preserves headings, paragraphs, and lists. No uploads.

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TXT to PDF

Convert plain text files (.txt, .md, .log) to a clean, searchable PDF. Choose font size, page size, and font family.

CSV to PDF

Convert CSV files to formatted PDF tables. Handles quoted fields, embedded commas, and large datasets with auto-pagination.

📚

EPUB to PDF

Convert EPUB ebooks to a searchable PDF. Extracts chapters in reading order with headings and paragraphs. 100% local.

📤 Convert FROM PDF

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PDF to Image

Convert PDF pages to PNG, JPG, or WebP images. Render each page at 1x-3x scale. pdf.js powered.

📝

PDF to Word

Convert PDF to editable Word (.docx). Extracts text from each page into a clean Word document. 100% browser-based.

PDF to Excel

Convert PDF to Excel (.xlsx). Detects tabular structures and extracts text into spreadsheet rows. No uploads.

📑

PDF to PowerPoint

Convert PDF to PowerPoint (.pptx). Each page rendered as a high-res image slide. Perfect for presentations.

🎬 视频工具

使用 ffmpeg.wasm 在浏览器中压缩、转换、剪辑和编辑视频。

🗜️

Video Compressor

Reduce video file size by adjusting quality (CRF) and resolution. No upload, everything processed in your browser with ffmpeg.wasm.

🎞️

Video to GIF

Convert MP4, WebM, and other videos to animated GIF. Customize start time, duration, width, and FPS for perfect output.

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Video to MP3

Extract high-quality MP3 audio from video files. Choose bitrate from 64 to 320 kbps. All processing happens locally.

Video Cropper

Trim and cut video to remove unwanted parts. Set precise start and end times. Lossless cut when no re-encoding needed.

Video to Frames

Extract high-quality frames (JPG or PNG) from any video. Choose FPS interval or total frame count. Download as ZIP.

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Video Speed Changer

Speed up or slow down video playback from 0.25x to 4x. Both video and audio adjusted correctly. Browser-based.