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3566 apps · Showing 97–192
Files & Documents
114 appsFiles & Documents: Files & Documents
Files & Documents: Focused File Checks
Archive File Type Checker
Read the bytes to identify supported archives and package containers without unpacking them here.
Audio File Type Checker
Look inside a file for a supported audio signature such as WAV, MP3, FLAC, AAC, or OGG.
Document File Type Checker
Inspect supported document signatures, including PDF, DOCX, XLSX, PPTX, EPUB, and OpenDocument files.
Executable File Type Checker
Check for supported executable signatures such as EXE, ELF, WebAssembly, class, and DEX files.
Image File Type Checker
Read the bytes to spot PNG, JPEG, GIF, WebP, camera raw, and other supported image types.
Video File Type Checker
Inspect the file signature for supported video containers such as MP4, WebM, MOV, AVI, and MKV.
Files & Documents: Print & Cards
Files & Documents: Scan & Read
Files & Documents: Writing & Editing
Document Revision Timeline
Replay saved changes to a Quill document. Move between versions and download a copy of the draft at any step.
Documentation Lint Preview
Check how Markdown looks under different rules. Compare previews and find lines that may display differently in another editor.
Markdown Document Printer
Print Markdown or save it as a PDF. Choose the paper size, margins and text style, then preview your document.
Markdown Extension Playground
Try Markdown tables, links and other options. Switch each rule on or off and compare the preview with the HTML.
Newsletter Draft Composer
Write a newsletter with a subject and preview text. Check its phone layout, save a draft and export HTML for your email service.
Rich Text Change Viewer
Compare two Quill Delta documents. Find changed words and formatting, then download the steps that turn one draft into the other.
Rich Text Writing Pad
Write and format notes online. Add headings, lists and links, save drafts in this browser and download a copy.
Web Clipping Formatter
Turn pasted article HTML into a clean Markdown note. Keep the title, author, source link and your own comments together.
Images & Design
312 appsImages & Design: Optimize
Compress Image
Compress one image or a batch to a quality goal or exact size, optionally resize and choose a modern format, then verify every result before download.
Remove Image Metadata
Inspect hidden location, device, time, author, and workflow data before removing it without losing image quality when the image container allows.
Images & Design: Resize & crop
Crop Image
Frame up to 100 images with exact pixels, local composition guidance, shapes, orientation controls, delivery resizing, and verified reports.
Resize Image
Resize up to 100 images by width, height, exact box, percentage, longest edge, megapixels, or print size, then verify every result.
Social Media Resizer
Build up to 120 current, channel-ready assets from one image or a batch with safe-area guides, focal control, custom sizes, and verified campaign reports.
Images & Design: Convert
Convert to AVIF
Turn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified lossy, pixel-exact lossless, or size-capped AVIF with explicit chroma, color, alpha, frame, and page handling.
Convert to JPG
Turn up to 100 PNG, WebP, AVIF, HEIC, TIFF, GIF, SVG, or JPG sources into precisely controlled, verified JPGs without dropping frames or pages.
Convert to PNG
Turn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified full-color, palette, high-precision, or animated PNGs without dropping frames or pages.
Convert to WebP
Turn up to 100 raster, HEIC, TIFF, GIF, APNG, or SVG sources into verified lossy, near-lossless, exact, size-capped, or animated WebP without dropping alpha, frames, or pages.
HEIC to JPG
Turn up to 100 HEIC or HEIF sources into share-safe, size-controlled, color-managed JPGs without losing collection images, orientation, alpha intent, or accountability.
SVG to PNG
Inspect and rasterize self-contained SVG artwork into exact, print, Retina, Apple, or Android PNG assets.
Images & Design: Edit
Blur or Redact Image
Redact one image or a batch with movable rectangle or ellipse masks, reusable templates, irreversible cover, adjustable blur or pixelation, and verified privacy receipts.
Flip Image
Mirror, transpose, or compose static and animated images with verified pixel geometry and batch reports.
Rotate Image
Auto-orient, straighten, mirror, and batch-rotate static or animated images to any exact angle.
Watermark Image
Add verified text, logo, or mosaic watermarks to static and animated images with adaptive contrast and batch reports.
Images & Design: Create
Images & Design: Patterns & Doodles
Dot Art Generator
Fill a square with big and small dots to make a fresh piece of computer art.
Pattern Doodle Maker
Mix a grid, shapes, and colors to make playful art from a tiny bit of code.
Shape Pattern Maker
Arrange circles, diamonds, and triangles into a colorful pattern in one click.
Wallpaper Pattern Generator for Kids
Build a repeating wallpaper pattern with bright shapes and your favorite color pair.
Images & Design: 3D Art
3D Bug Maker
Build a bright little bug with six legs and turn it around on the screen.
3D Planet Maker for Kids
Make a tiny ringed planet, spin it around, and save a picture of your world.
Cute 3D Character Maker
Create a simple round character, pick its colors, and turn it to every side.
Spinning 3D Shape Maker
Make a round, friendly 3D shape that spins and moves when you drag it.
Images & Design: Isometric Art
Isometric Block Builder
Stack a field of blocks that looks 3D, even though it is drawn on a flat page.
Isometric House Maker
Draw a tiny house with a roof and door, then save it as a picture.
Isometric Staircase Maker
Choose the size and draw a clean staircase from bright isometric blocks.
Pixel City Generator for Kids
Grow a tiny city of tall and short buildings from a simple block grid.
Images & Design: Nature & Fractals
Fractal Plant Maker
Grow a leafy plant shape by repeating a few turns and branches.
Fractal Tree Generator for Kids
Grow a branching tree by repeating one tiny drawing rule again and again.
Koch Snowflake Maker
Turn one triangle rule into a detailed snowflake made with math.
L-System Rule Explorer
Change one short rule and watch straight lines turn into surprising art.
Images & Design: Avatars & Badges
Classroom Badge Maker
Create simple name badges for reading groups, tables, helpers, and classroom teams.
Name Avatar Maker
Turn any name into a bright avatar without using a photo or making an account.
Pixel Avatar Maker
Make a tiny pixel-style avatar from your name and favorite colors.
Team Avatar Maker
Make a matching avatar set for a class team, club, family, or game group.
Images & Design: Ambient & Nature
Bokeh Particle Background Maker
Create large, slow circles that feel like out-of-focus lights behind your page content.
Firefly Night Background Maker
Scatter warm fireflies across a dark scene with slow wandering motion and soft size changes.
Floating Bubble Background Maker
Make airy bubbles rise through a clean background for playful pages and underwater themes.
Particle Background Designer
Build a calm animated particle background, try pointer effects, and export code-ready settings.
Rain Particle Animation Maker
Make quick falling rain lines for weather cards, dark pages, and moody scene backgrounds.
Snowfall Animation Maker
Set the amount, size, and speed of a clean snowfall animation for winter pages and cards.
Soft Dust Mote Background Maker
Make slow dust motes for gentle landing pages, stories, and quiet presentation backgrounds.
Underwater Bubble Animation Maker
Create many small bubbles that drift upward through ocean colours with gentle collisions.
Images & Design: Stars & Space
Aurora Particle Background Maker
Make soft teal and violet particles sweep sideways through a dark northern-sky scene.
Cosmic Link Background Maker
Join drifting star points with faint lines to make an interactive cosmic map.
Galaxy Dust Background Maker
Blend many tiny drifting particles into a rich galaxy-like field for science and story pages.
Meteor Shower Background Maker
Create angled meteor lines that move across a dark sky with an adjustable amount and speed.
Starfield Background Maker
Build a layered starfield with tiny bright points and calm motion for space-themed pages.
Images & Design: Networks & Tech
Circuit Pulse Background Maker
Make crisp square particles and short links for a circuit-board or digital-system look.
Connected Dots Background Maker
Make a clean field of linked dots with colours and motion that fit almost any modern page.
Constellation Network Maker
Build a clean constellation-style network with linked stars and a pointer grab effect.
Molecule Particle Animation Maker
Create round particles with short bonds for chemistry lessons, lab pages, and science graphics.
Neural Network Background Maker
Create a busy linked-node animation for AI, data, research, and technology pages.
Images & Design: Celebrations & Symbols
Birthday Sprinkle Background Maker
Scatter tiny lines and shapes for a bright birthday or celebration background.
Confetti Background Maker
Mix bright shapes into a cheerful falling confetti background for wins, launches, and parties.
Emoji Particle Background Maker
Create a moving field of friendly emoji for classroom, community, and social pages.
Floating Hearts Background Maker
Make heart emoji float gently upward for thank-you pages, weddings, and kind messages.
Holiday Sparkle Background Maker
Make small stars twinkle through a rich holiday scene without covering the page content.
Images & Design: Interactive Effects
Bubble Hover Effect Maker
Make particles grow and brighten as the pointer moves over them for a gentle hover response.
Click-to-Add Particles Maker
Create a background that lets visitors add a small group of particles by clicking or tapping.
Cursor Grab Network Maker
Make a linked network that draws extra lines from nearby dots to the pointer.
Cursor Repulse Background Maker
Build an interactive background where nearby dots move away from the mouse or finger.
Images & Design: Shapes & Brand
Brand Particle Background Maker
Choose two brand colours and a background, then export a polished animated backdrop for the web.
Geometric Particle Pattern Maker
Build a lively moving pattern from several simple shapes with optional links and pointer effects.
Monochrome Particle Background Maker
Make a restrained one-colour particle field for professional pages and readable content areas.
Images & Design: Convert & Pick
Color Converter
Turn a color into HEX, RGB, HSL, OKLCH, Lab, and Display P3 values you can copy.
Color Name Finder
Enter any color code and find the closest everyday, design, and paint-style color names.
HEX, RGB & HSL Converter
Convert common HEX, RGB, and HSL colors with a simple preview and clean copy buttons.
OKLCH Color Picker
Choose lightness, color strength, and hue with simple sliders, then copy a browser-ready OKLCH color.
Images & Design: Palettes & Scales
Color Palette Generator
Start with one color and make a clear set of matching shades, soft tints, or balanced colors.
Color Scale Generator
Blend two colors into even steps for charts, maps, heatmaps, and design tokens.
Distinct Color Generator
Create up to twenty colors that stay as different from each other as possible for charts and labels.
Images & Design: Compare & Check
APCA Contrast Checker
Check modern perceptual contrast for text and background colors, with a real text preview and plain guidance.
Color Blindness Simulator
See how one color may look with three common kinds of color-vision difference.
Color Difference Checker
Compare two colors with a perceptual score and learn if most people can see the change.