图像工具
17 tools- Image Resize
Image Resize — Resize any image to exact pixel dimensions — keep the aspect ratio or stretch. Output as PNG, JPEG, or WebP.
- Image Compressor
Image Compressor — Compress images to dramatically smaller files — adjust quality, cap maximum width, and see how much you saved.
- Image Crop
Image Crop — Crop any image by dragging a rectangle over the area you want to keep. Pixel-precise, downloadable as PNG, JPEG, or WebP.
- Image Format Converter
Image Format Converter — convert any image between PNG, JPEG, and WebP. Tune quality for JPEG/WebP output. Runs entirely in your browser.
- Image to Base64
Image to Base64 — Encode an image as a Base64 data URI — paste it into CSS, HTML, or JSON. Optional CSS
url(...)wrapper. - Image Rotate
Image Rotate — Rotate any image — 90°/180°/270° quick presets, or any arbitrary angle. Canvas is resized so nothing is clipped.
- Image Flip
Image Flip — Mirror any image horizontally, vertically, or both at once. Runs entirely client-side inside your browser.
- Image Filters
Image Filters — Apply CSS-grade filters to any image — grayscale, sepia, blur, brightness, contrast, saturation, hue-rotate, invert. Live preview as you...
- Image Watermark
Image Watermark — Stamp any image with a text watermark — your name, copyright, or any label. Tune font, color, opacity, rotation, and placement.
- Image to Grayscale
Image to Grayscale — Convert any image to grayscale — continuous shades, or quantized levels (4, 16, 64) for poster-style output.
- Image OCR (Text from Image)
Image OCR (Text from Image) — Drop a screenshot, scan, or photo and extract the text inside — entirely in your browser via Tesseract.js. 10 languages in...
- WebP / AVIF Batch Converter
WebP / AVIF Batch Converter — Bulk-convert images to WebP or AVIF in one click — 30–80% smaller than the original PNG/JPEG. Optional max-dimension resiz...
- Image Signer
Image Signer — Place a signature anywhere on an image — perfect for signing artwork, photos, screenshots, or scanned documents that aren't PDFs. Draw wi...
- Image Merger
Image Merger — Drop or paste multiple images, choose a layout (vertical, horizontal, or grid), and download a single merged image. All in your browser —...
- Image Optimizer
Free online image optimizer. Compress and optimize images with quality control, format conversion, and size comparison.
- Image Watermark Remover
Image Watermark Remover — Brush over watermarks, timestamps, or logos to erase them using client-side smart texture inpainting. Processed fully locally ...
- Pixel Art Generator
Pixel Art Generator — Convert your photos into beautiful retro pixel art. Customize the downscaling resolution, select classic retro console palettes, a...
PDF 工具
3 tools- Image to PDF
Image to PDF — Pack one or more images into a single PDF — each image becomes a page. A4, Letter, Legal, or fit-to-image page sizes.
- PDF Image Stamp
PDF Image Stamp — Drop a PDF and an image (PNG or JPEG) — the image is overlaid on each page at the position, size and opacity you choose. Great for add...
- PDF to Image
PDF to Image — Render each PDF page to PNG, JPEG or WebP at a scale you choose (1× = 72 DPI, 4× = 288 DPI). Powered by pdf.js running locally in your br...
移动应用资源
1 tool音频工具
9 tools- Audio Trim
Audio Trim — Trim audio to a specific start–end range with optional fade in/out. Decodes any browser-supported format (MP3, WAV, OGG, M4A, FLAC) and exp...
- Audio Normalize
Audio Normalize — Boost or attenuate audio to a target loudness — peak (max amplitude) or RMS (average energy). Exports a lossless WAV. Useful when mixi...
- 音频变调与变速器
免费的在线音频变调与变速工具。可按半音调整音频音高，或在本地改变播放速率。无需上传，安全且即时生效。
- 音频倒放工具
免费在线音频倒放工具。上传任何音频文件，在浏览器本地实现倒放，并下载无损倒放 WAV 格式音频。
- Audio BPM Detector
Audio BPM Detector — Calculate the Beats Per Minute (BPM) of any song or audio track instantly. Simple, fast, and runs entirely in your browser using We...
- Audio Fade In/Out
Audio Fade In/Out — Smooth out the beginning and end of your audio tracks with custom fade durations. Upload, preview, and download your faded audio in ...
- Audio Joiner
Audio Joiner — Join two or more audio tracks together seamlessly. Reorder your clips, preview the merged timeline, and export your combined file locally.
- Audio Speed Changer
Audio Speed Changer — Change the playback speed of any audio track instantly. Perfect for transcribing interviews, practicing music parts, or listening ...
- Audio Format Converter
Free online audio format converter. Convert between WAV, MP3, OGG, M4A, FLAC, and AAC directly in your browser. No upload — fully client-side with Web Audio API.
开发者工具
1 tool生成器
1 tool🎥 Video Tools
4 tools- Video Trimmer
Video Trimmer — Trim your video files quickly and securely. Adjust starting and ending markers, preview the selected timeline, and download your trimmed...
- Video Metadata Extractor
Video Metadata Extractor — Inspect the metadata of your video files. Get precise duration, frame dimensions, aspect ratio, file size, and basic codec in...
- Video Muter
Video Muter — Remove the sound or audio tracks from your video files. Process your files locally in your browser to download a completely silent version...
- Video to GIF Converter
Video to GIF Converter — Extract frames from your videos client-side. Select custom timeframes, adjust frames per second (FPS), export individual stills...