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忆云竹

Image Studio

Start with your images. Choose what to do, then take the result to the next step.

Images stay on your device
  1. 1Add images
  2. 2Choose a task
  3. 3Preview, continue or download

Add your images to get started

Drop images, a folder or a ZIP here. You can also paste an image.

JPG · PNG · WebP · AVIF · HEIC · GIF

Choose what to do next

Add images first, or open any tool to get started.

Batch image processorBuild a workflow · Process images in batches Crop imageCrop ratios · Straighten · Compose each image Split imageGrid tiles · Long image slices · Custom guides Stitch imagesHorizontal strips · Vertical strips · Grids Resize imagePixels or percent · Fit options · Multiple sizes Extend image canvasAdd margins · Set canvas size · Choose a background Social media image resizerPlatform sizes · Composition guides · Batch export Compress imageSmart compression · Target file size · Compare originals Convert image formatConvert on import · Multiple formats · Batch download Image and Base64 converterImage ↔ Base64 · Instant preview · Copy with a click Edit imageRotate and flip · Adjust colors · Undo and redo Add an image watermarkText or image watermark · Drag to position · Tile Redact faces and private detailsFace detection · Draw masks · Batch processing Adjust image coloursExposure and color · Histogram · Live preview Image colour pickerClick to pick · HEX / RGB / HSL · Image palette Replace an image colourSample a color · Tolerance and feathering · Live preview Compare imagesSlider and side-by-side views · Pixel differences View and remove image metadataImage details · Privacy check · Remove metadata Find duplicate imagesImport a folder · Exact duplicates · Similar images Create GIF from imagesImages to animation · Frame duration · Reorder frames Extract GIF framesFrame range · Extraction interval · Batch download Edit animated GIFFrame order and timing · Reverse · Crop and resize Compress GIFReduce colors · Skip frames · Resize GIF to sprite sheetFrames to a grid · Sprite coordinates Images to PDFReorder images · Page settings · Combine into PDF Favicon and app icon generatorWeb and app icons · Safe padding · Multiple sizes Image placeholder generatorBlurHash · ThumbHash · Tiny image previews Sprite sheet makerArrange images · Set spacing · CSS and coordinates Remove image background locallyPortrait or general cutout · Refine edges · Replace background Image to text (OCR)Recognize text · Select a region · Export text Document photo scannerAdjust corners · Enhance documents · Multipage PDF Upscale imageLocal AI upscaling · 2× size · Enhance detail ID photo makerPhoto specifications · Composition · Background China passport photoPhoto specifications · Composition · Background China identity card photoPhoto specifications · Composition · Background China teacher qualification exam photoPhoto specifications · Composition · Background China civil service exam photoPhoto specifications · Composition · Background Hubei social security card photoPhoto specifications · Composition · Background U.S. visa photoPhoto specifications · Composition · Background Japan visa photoPhoto specifications · Composition · Background

About this tool

Start with your files when you are not sure which image tool to use first. Each task opens its own controls, and the selected result can move straight to another operation or be downloaded.

How to use

Start with your images

Add images, a folder or a ZIP archive. Review the thumbnails, select the images you want to work on and choose an operation. Its dedicated tool lets you adjust settings, preview and process. Download the results or use Continue processing to send selected outputs to another tool without downloading and importing them again.

Useful sequences

  • An oversized application photo: crop, resize, then compress to a target file size. Check faces and small details before submitting.
  • iPhone photos: convert HEIC to JPG before cropping, watermarking or compressing.
  • Screenshots for sharing: redact sensitive areas, check metadata, then inspect the final image. Face detection still needs a human review.
  • Photos of documents: correct perspective and improve readability, then assemble a multipage PDF.

Formats and limits

JPG, PNG, WebP, AVIF, HEIC and GIF are supported. Folder imports skip unrelated files; only separately imported ZIPs are unpacked. A session allows up to 500 images and 500 MiB in total, with 100 MiB per file, 80 megapixels per image and a maximum edge of 16,384 pixels. ZIPs also have expansion and compression-ratio limits. Use smaller batches on devices with less memory.

Operations must support every selected image format. If a mixed selection limits your options, convert it first or deselect some images. Use dedicated GIF tools to preserve animation; ordinary image conversion may produce a still frame.

Local processing and temporary storage

Images are not uploaded to this site's servers. Closing the page releases the current list. Transfers between tools use temporary browser storage: a record is deleted after one read, or expires after 15 minutes and is removed on a subsequent transfer. Original files are never overwritten. Save any results you need before clearing, refreshing or closing the page.

Common questions

Why do some operations disappear after I select images?

Only tools accepting every selected format are shown. Mixing GIF or HEIC with ordinary still images can reduce the choices; convert first or deselect some files. Use dedicated GIF tools when animation must be preserved.

Does continuing to another tool upload or permanently save my images?

No upload is involved. Transfers use temporary storage in this browser and are deleted after one read. Unread records expire after 15 minutes and are cleaned during later transfers. Download needed results before clearing, refreshing or closing.

What is a sensible starting workflow for a batch of photos?

Import and select the images, then choose by task: crop for framing, resize for consistent dimensions, or compress for an upload limit. Continue with processed results after each tool. Test the sequence on a few representative images first.

How do I recover if the next tool receives no images?

A transfer can be read once and may fail after refresh, expiry or browser-storage restrictions. Send it again from the page that still holds the results. If that page is gone, reselect originals or downloads. Transfer links are not permanent file URLs.

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