UD5 Toolkit
Color by Number Generator - Online from Photo to Paint-by-Numbers
Upload an image and convert it into a paint-by-numbers outline with numbered palette. Adjust complexity. Print and paint. Local processing.
Photo to Pencil Sketch - Online Realistic Effect
Photo to Pencil Sketch
Transform your photo into realistic pencil sketch — 100% private, processed in your browser.
No upload to server Free & UnlimitedDrop your photo here or click to browse
Supports JPG, PNG, WebP — Max 10MB
Original
Pencil Sketch
How to turn a photo into a pencil sketch online?
Our free tool applies a realistic pencil drawing effect using advanced digital image processing — directly in your browser. It uses a multi‑step algorithm: grayscale conversion, inversion, blur, and color dodge blending, which reproduces the look of a hand‑drawn pencil sketch. You can adjust the level of detail, contrast, and brightness to get the perfect artistic result. No data is ever sent to a server, ensuring complete privacy.
Frequently Asked Questions
The effect replicates the classic pencil sketch algorithm: first the image is converted to grayscale, then inverted, blurred, and blended with the original grayscale using Color Dodge. This combination highlights edges and creates the appearance of graphite strokes. Adjusting the sliders lets you control blur radius (detail), overall contrast, and brightness.
No. This tool runs entirely inside your browser using HTML5 Canvas and JavaScript. Your photo never leaves your device, ensuring complete privacy and security.
You can use JPEG, PNG, WebP, and most common image formats. The maximum file size is 10 MB.
Yes! Once you're happy with the preview, click the Download Sketch button and you'll get a high‑resolution PNG file of your pencil sketch artwork.
It adjusts the amount of fine lines and texture. Lower values produce a softer, more blurred sketch (fewer fine details), while higher values keep more intricate details and hatching, giving a crisp pencil look.
Use the Contrast slider to increase or reduce tonal range, and the Brightness slider to lighten or darken the overall drawing. Small adjustments can dramatically improve the result.
Camera Selfie Tool - Online Take Pictures & Add Frame
Use your webcam to take selfies. Add a simple frame or filter, then download the picture. No upload, just fun.
Sine Wave Art Generator - Online Parametric Curves
Generate flowing geometric art by layering sine waves with different frequencies, amplitudes, and colors. Download SVG.
Historical Cameras Timeline - Online Photography Evolution
Scroll through an interactive timeline of cameras from camera obscura to modern DSLR. Photos and facts.
Open Graph Image Generator - Online Social Card from Photo
Upload a photo and turn it into an optimized Open Graph image with title overlay. Perfect for blog social shares. Canvas.
SVG Line Drawing Animation Generator - Online stroke‑dasharray
Create a 'drawing' effect for any SVG path. Adjust speed and delay. Copy the CSS and SVG code. No JS needed.
SVG Editor - Online Vector Drawing & Code Tool
Draw and edit SVG vector graphics in the browser. Basic shapes, text, and freehand. Export raw SVG code or as a file. No server, fully local.
Noir Plot Generator - Online Hardboiled Story
Generate a hardboiled film noir plot with a detective, a dame, and a McGuffin. Great for creative writing prompts.
Webcam Recorder - Online Capture Video & Save
Use your webcam to record a video clip and download it as WebM. Adjust resolution and see a preview. Works offline.
Webcam Recorder - Online Capture Video & Save
Use your webcam to record a video clip and download it as WebM. Adjust resolution. Works offline. Privacy‑friendly.
Calligraphy Practice Paper Generator - Online Slant Guide Sheet
Generate and print custom calligraphy practice sheets with adjustable x-height, slant angle, and base line. Perfect for copperplate or Spencerian.
CSS sin(), cos(), tan() Demo - Online Animated Trig
Use trigonometric functions in CSS to create circular animations and layouts without JavaScript. See the code.
Cash Stack Visualizer – Online See How Much $1 Billion Looks Like
Enter an amount and see a virtual stack of $100 bills with height comparison to everyday objects.
Online Blackout Poetry Creator – Paste Text & Redact Words
Paste an article and click to black out words, leaving a poem. Print your final creation.
ASCII Art Text Border - Online Decorate Your Message
Wrap your text inside an ASCII art frame or bubble. Multiple designs (speech bubble, box). Copy to clipboard.
CSS Wave Generator - Online Animated SVG & Keyframes
Create smooth, animated CSS waves (like water or sound) by adjusting amplitude, colors, and speed. Copy the ready‑to‑use SVG/CSS code.
Fake Chat Generator - Online Prank Messenger Conversation
Create a fake WhatsApp/iMessage chat screenshot. Customize names, messages, and timestamps. Just for fun.
Analytics Joke Generator - Online Fake Dashboard
Generate a random, completely fake analytics dashboard snippet. 'Bounce rate: 98% from Mars.' Geeky humor.
Open Graph Debugger - Online Fetch & Preview Social Card
Enter a URL to see exactly what Open Graph and Twitter card tags will be shown when shared on social media. Fetch from browser.
Open Graph Generator - Online OG Meta Tags Builder
Build perfect Open Graph meta tags for rich social media previews. Preview how your link will look on Facebook and LinkedIn. Structured data tools for better CTR.
@font‑face Generator - Online Custom Web Font Snippet
Upload a font file or specify a URL and generate the complete @font‑face rule with modern formats and font‑display. Copy instantly.
Digital Time Capsule – Online Write & Unlock on Future Date
Write a message and set a future date. It will be hidden until that day. All stored locally with countdown.
Digital Signature Sign & Verify - Online Web Crypto
Sign a message with a private key and verify the signature with the public key. Learn digital signature flow.
HTML to Text with Line Breaks - Online Just the Words
Convert HTML to plain text while preserving paragraph breaks. Remove images, links, and scripts. Quick data extraction.
CSS pow(), sqrt(), hypot() Demo - Online Trigonometric Functions
Experiment with exponential, square root, and hypotenuse functions in CSS. See live computed values. Modern CSS math.
Capacitor Code Calculator - Online 3-Digit to Picofarad & Nanofarad
Convert 3-digit capacitor codes (like 104, 222) to capacitance value in pF, nF, µF. Also converts back. Useful for reading tiny ceramic capacitors.
Fake Text Message Generator - Online iMessage/Android Prank
Create a realistic fake text message conversation. Choose iOS or Android style, set contact name, messages, and times. For laughs.
Text to Emoji Cipher - Online Encode Secret Messages
Convert your text into a string of emojis using a simple substitution cipher. Share secret messages that look fun. Decode them with the same tool. All local.
Markdown to Slack mrkdwn Converter - Online
Convert standard Markdown into Slack’s mrkdwn format. Fixes bold, italic, and lists for perfect Slack message formatting.
Emoji to CSS Class Generator - Online Icon Font Style
Assign a CSS class to any emoji and generate a snippet that displays the emoji as a background image or pseudo element. Useful for icon systems.