開啟任何檔案，
直接在本機處理。

Shrink JPEG, PNG, and WebP images in a batch while choosing the balance between file size and visible quality.

Compress a large selection or folder of images, review each result, and download the completed batch together.

Convert JPEG, PNG, WebP, and AVIF images in a batch with a clear output format and quality setting.

Turn JPEG, PNG, or WebP images into AVIF files for modern websites and storage-efficient delivery.

Open HEIC or HEIF photos and export lossless PNG copies for editing, design, or software compatibility.

Turn PNG images into widely supported JPG files and replace transparent areas with a clean white background.

Convert AVIF images into compatible JPG files for older editors, forms, messaging apps, and websites.

Decode AVIF images into PNG files when you need lossless pixels, transparency, or broader editing support.

Crop an image to 1:1, 4:3, or 16:9, adjust the crop position, and download the composition shown in the preview.

Rotate an image to any angle or use -90°, +90°, and 180° shortcuts, then optionally flip it horizontally or vertically.

Reduce the color palette across every GIF frame while preserving the animation and frame timing.

Render every GIF frame in playback order and download the complete sequence as PNG files in a ZIP.

Create a Base64 data URL with the correct image MIME type, then copy it or download it as text.

Convert PNG images to smaller WebP files in a batch while preserving transparent areas.

Convert one or many JPG photos to modern WebP files with an adjustable quality setting.

Set a target width or height for a batch of images and keep their original proportions automatically.

Re-encode JPEG, PNG, and WebP images to remove EXIF and other non-pixel metadata before sharing.

Remove GPS, EXIF, and other non-pixel metadata by rebuilding a clean copy of each photo.

Remove EXIF, GPS, and other hidden metadata from many images and download the cleaned batch together.

Recognize English or Simplified Chinese printed text in an image after installing the optional local OCR language data.

Remove backgrounds from people, products and pets on your device. Refine edges, replace the background and export at the original dimensions.

Turn HEIC or HEIF photos into widely supported JPG files for forms, editors, websites, and messaging apps.

Remove junk bytes, restore a missing end marker, and re-save any JPEG pixels the browser can still read.

Enlarge an image up to four times with high-quality interpolation without pretending to invent lost detail.

Compare candidate crops using edges and color saliency, then export a common ratio with more useful content in frame.

Suggest face regions and apply a strong blur, with a required visual check because automatic detection can miss people.

Arrange JPEG, PNG, or WebP images in order and create one PDF with A4 or original-size pages.

Take the main audio track from an MP4 or MOV and save it as M4A, copying compatible audio without re-encoding.

Remove audio tracks from an MP4 or MOV and keep compatible video data unchanged in a new MP4.

Decode the main audio track from an MP4 or MOV and encode a standard MP3 file for listening or sharing.

Choose a start and end time, preview the actual keyframe-safe interval, and save a trimmed MP4 without re-encoding compatible tracks.

Reduce MP4 or MOV size by lowering resolution or bitrate while preserving a compatible primary audio track.

Inspect a damaged recording, explain its recoverability, and rebuild only the strictly supported cases with verification.

Place compatible video clips in order and export one MP4 with a shared resolution and frame rate.

Choose a time range, width, and frame rate to create an animated GIF from an MP4, MOV, or WebM video.

Sample frames from a video at a chosen rate and download the resulting PNG sequence in a ZIP.

Rotate the visible video by 90°, 180°, or 270° and export a new MP4 with the orientation baked in.

Change an MP4 or MOV video's playback speed online and export a new MP4 with adjusted timing rather than relying on a player setting.

Set a smaller output width, preserve the aspect ratio, and export a resized MP4 without upscaling.

Convert supported video input into an MP4 with browser-available video and audio encoders.

Repackage compatible MOV tracks directly into MP4, or re-encode only when the target container requires it.

Take a screenshot from an MP4 or MOV video online: choose the exact time and export that frame as a PNG image.

Move MP4 initialization metadata to the front of the file for progressive web playback without changing media quality.

Rebuild an MP4 or MOV without titles, author fields, cover art, and other optional container metadata.

Convert WebM video into a broadly accepted MP4 using the encoders available in the current browser.

Choose a lower bitrate and export a smaller audio file for speech, music sharing, or limited upload sizes.

Set start and end times and export the selected portion as a new audio file.

Merge two or more audio files or recordings online in the order you choose and export one continuous M4A file.

Convert supported audio between MP3, WAV, and M4A with an explicit output format and bitrate.

Raise or lower audio gain, limit clipping, and export the adjusted recording as a new file.

Apply a smooth noise gate to reduce low-level room noise while preserving louder speech and sound.

Install the optional Whisper tiny model, recognize speech on this device, and download an editable transcript for review.

Open ZIP, 7-Zip, or TAR archives, search their contents, preview safe files, and extract only what you need.

Choose multiple files and place them into a standard ZIP archive for storage, transfer, or upload.

Extract a ZIP into a chosen folder when supported, or download the extracted contents as a compatibility ZIP.

Extract supported archives to a folder or repack their safe file contents into a standard ZIP download.

Remove the GZIP layer from a .gz file and download the decompressed bytes.

Decode a Zstandard .zst file and download its original uncompressed bytes.

Decompress GZIP, safely extract the TAR members, and download the compatible files together as ZIP.

Decompress Zstandard, safely extract the TAR members, and download the compatible files together as ZIP.

Scan local ZIP headers and recover complete file members when the central directory is missing or damaged.

Optimize a PDF without losing its text layer, or recompress scanned pages for a smaller file.

Turn every PDF page into a JPG or PNG and download them together.

Rotate all pages by 90°, 180°, or 270° and save the corrected document as a new PDF.

Reduce each page crop box by a chosen percentage without redrawing the underlying PDF content.

Place a visible semi-transparent text watermark in the center of every PDF page.

Start from any positive number and add consecutive page numbers at the bottom of a PDF.

Try to rebuild readable content from a PDF that no longer opens correctly.

Add an AES-256 opening password to a PDF before sending it.

Use a password you are authorized to use and export a decrypted PDF copy for easier access.

Extract pictures and image objects embedded in PDF pages online instead of taking full-page screenshots.

Rasterize each page and permanently cover a chosen area so the underlying text and vectors are not retained.

Put several PDFs into the exact order you need and download one combined document.

Save only the pages you need, or download every page as a separate PDF.

Preview PDF pages, move them into a new order, and download the rearranged document.

Clear document details and XMP metadata before you share a PDF.

Enter page numbers or ranges to delete and save the remaining pages as a new PDF.

Build a chunked record index and read only visible JSON Lines, CSV, TSV, log, or text content as you browse.