Images & Digital Art
Quick Image Fixes
Quickly finish common image fixes and touch-ups
This hub collects one family of image tasks in one place. Start with the quickest fix or asset-prep step, then branch into the neighboring tools as needed.
Task Path
Use this hub for lightweight pre-publish image fixes such as background work, orientation, watermarking, GIF handling, stitching, and simple exports. Finish the visible fix first, then move to sizing or asset-prep steps when needed.
Good For
- Remove or replace backgrounds, or add a lightweight watermark.
- Rotate, flip, round corners, grayscale, or stitch images.
- Prepare small assets such as favicons, GIFs, grid cuts, or text images.
Next Step After the visual fix, use the resize/compress/convert hub for size and format work, or creator asset prep for color, ratio, and export decisions.
Watch For Background and edge edits depend on source image quality, so inspect detail areas before final use.
Top Tools
Start with the most common entry points.
🖼️🏷️🎨🌐
Background Remover
Remove simple backgrounds from one image and export a transparent PNG for clean product shots and illustrations.
Batch Watermark
Add a visible text watermark to JPG, PNG, and WebP images in bulk locally, then export new JPG or PNG copies.
Change Background of Photo
Extract the subject from one photo locally, place it on a simple solid or gradient background, and export a new PNG or JPG copy.
Favicon Maker
Generate a full favicon bundle from image, text, or emoji: multi-resolution .ico, Apple touch icon, Android Chrome icons, maskable icon, dark-mode SVG, PWA webmanifest, and HTML snippet. Source assets and generated bundles are processed in the current browser and are not uploaded to LittleOne Tools servers.
Common Tasks
Decide which tool to open first.
All Tools
All tools in this hub.
🖼️🏷️🎨🌐🎞️🖨️🖤🔲🔄🔘🧵💧🖼️
Background Remover
Remove simple backgrounds from one image and export a transparent PNG for clean product shots and illustrations.
Batch Watermark
Add a visible text watermark to JPG, PNG, and WebP images in bulk locally, then export new JPG or PNG copies.
Change Background of Photo
Extract the subject from one photo locally, place it on a simple solid or gradient background, and export a new PNG or JPG copy.
Favicon Maker
Generate a full favicon bundle from image, text, or emoji: multi-resolution .ico, Apple touch icon, Android Chrome icons, maskable icon, dark-mode SVG, PWA webmanifest, and HTML snippet. Source assets and generated bundles are processed in the current browser and are not uploaded to LittleOne Tools servers.
GIF Splitter & Maker
Split animated GIFs into individual PNG frames in your browser (ZIP batch download, frame-range syntax 1,2,5-9,*, native-speed playback preview), or merge multiple images into a new GIF (per-frame delay 10-20000ms, loop count, palette 2-256 colors, 3 quality tiers). One-click WeChat sticker preset 240×240 ≤100KB, doutu meme preset 300×300. Source GIFs, image frames, and exports are processed in the current browser and are not uploaded to LittleOne Tools servers; no watermark and no login required. Lazy-loads gifuct-js + gifenc codec cores (~19KB gzip) on first interaction. Triple input (drag-drop / file picker / Ctrl+V paste), bilingual, mobile 44px touch + horizontal-scroll frame strip, 4 error categories (invalid-GIF / oversized / OOM / timeout) with aria-live progress. Covers all 4 GIF disposal methods, sub-rect frame offset, transparency, NETSCAPE2.0 loop, interlaced.
Image DPI Modifier
Losslessly change DPI metadata for JPG and PNG in your browser: simultaneously writes PNG pHYs, JPEG JFIF, and Exif IFD0 while preserving ICC / EXIF / XMP. Includes 72 / 96 / 150 / 300 / 600 presets plus scenario presets for ID photos, print shops, Taobao main images, and thesis submissions. Input files are not uploaded by the tool.
Image Grayscale
Convert images to black & white, grayscale, sepia, or threshold in your browser with 11 algorithms, drag before/after slider, and scene presets
Image Grid Cutter
One-click split any image into an N×M grid entirely in your browser: built-in presets for Instagram, Xiaohongshu, WeChat Moments, Weibo, Douyin; custom rows/cols from 2×2 to 10×10; long-image strips 1×N / N×1 for triptychs; full control over inner gap, outer padding, background color, corner radius. Output JPEG / PNG / WebP with quality slider, reverse-order naming (for Instagram 9→1 posting workflow) and custom prefix. Download single tiles, multi-selected tiles, or the whole batch as ZIP. Input files are not uploaded, no login, zero watermark; EXIF orientation auto-corrected; first-class 44px touch experience on mobile.
Image Rotate & Flip
Rotate or flip images in your browser with arbitrary-angle slider, EXIF auto-correct, transparent or custom fill color, undo/redo, batch ZIP download, plus first-class desktop & mobile experience
Image Round Corners
Round the corners of any image in one click. 4 independent corners with lock-sync toggle, PX / percent units, one-click circle, fully transparent PNG or custom background color, native EXIF auto-correct, checkerboard transparency preview, HDPI super-sampling, drag / paste / click upload, PNG or WebP download, copy-to-clipboard, Web Share save-to-Photos, undo/redo, keyboard shortcuts. In-browser — nothing leaves your device. Bilingual zh/en UI with mobile-first 375px 44px touch
Image Stitcher
Stitch multiple images into one right in your browser: horizontal join, vertical long-image, and grid presets from 1×2 to 6×6. Supports 4 alignment modes (same-side / cover / contain / stretch), independent outer padding and inner gap, solid or transparent background, global corner radius, optional border, per-cell rotate / flip, HTML5 drag-to-reorder with up/down arrow fallback, 15 social-size presets (RedNote / WeChat / Douyin / Instagram / Twitter / Bilibili / A4 300dpi), PNG / JPEG / WebP export with EXIF auto-strip, Web Share API for direct save-to-album. Local in-browser, bilingual zh/en UI, mobile-first 44px touch.
Image Watermark
Add text or graphic watermarks to images with controls for position and opacity.
Text to Image
Turn any text into social posters, quote cards, Xiaohongshu covers, OG share images, Instagram posts / stories, or Pinterest pins. 11 canvas-size presets, 10 font stacks (System / CJK Hei-Song-Kai-Xingkai-Fangsong / Handwriting / Display), size 12–200 with 5 weights + italic, letter-spacing, line-height, L/C/R alignment, horizontal and vertical 竖排 writing, stackable stroke + shadow, solid / 8 gradient palettes / transparent backgrounds, rounded corners + optional border, 8 ready-to-use Looks, PNG / JPG / WebP export with true 2× retina re-render, copy-to-clipboard, download, Web Share save-to-Photos, In-browser — no upload, no login, no watermark, bilingual zh/en UI with 44px mobile touch
Related Hubs
Nearby task clusters.