Free Tools for Creators
linked.is provides a collection of free, powerful tools to help creators, developers, and marketers with their daily tasks. This guide covers each tool in detail.
Available Tools
| Tool | Category | Description |
|---|---|---|
| WhatsApp Link Generator | Social Media | Create direct WhatsApp links with pre-filled messages |
| Color Picker | Developer | Advanced color picker with HEX, RGB, HSL values and color harmonies |
| YouTube Thumbnail Downloader | Social Media | Download YouTube video thumbnails in all available sizes |
| Text Separator | Developer | Convert text between different delimiters and separators |
| Duplicate Lines Remover | Developer | Remove duplicate lines from text instantly |
| YouTube Timestamp Link Generator | Social Media | Create YouTube links that start at specific timestamps |
| Base64 Encoder/Decoder | Developer | Encode and decode Base64 strings |
WhatsApp Link Generator
Create direct links to WhatsApp with pre-filled messages for easy customer communication.
What It Does
Generates a https://wa.me/PHONE_NUMBER?text=MESSAGE link that:
- Opens WhatsApp directly on mobile devices
- Pre-fills a message so customers don't have to type
- Works on desktop WhatsApp Web as well
How to Use
- Enter Phone Number: Add the full phone number with country code (no + symbol or dashes)
- Example:
15551234567for US number
- Example:
- Add Message (Optional): Type a pre-filled message
- The tool automatically URL-encodes your message
- Click "Generate Link": Creates your shareable WhatsApp link
- Share: Click "Open in WhatsApp" to test or copy the link to share
Use Cases
- Customer Support: Pre-fill common questions
- Product Inquiries: Add product details in the message
- Appointment Booking: Pre-fill appointment requests
- Event RSVPs: Collect responses with pre-filled event details
Example
Phone: 15551234567
Message: Hi, I'm interested in your services!
Result: https://wa.me/15551234567?text=Hi%2C%20I'm%20interested%20in%20your%20services!
Color Picker
A powerful color picker with multiple formats, accessibility checking, and color harmony tools.
What It Does
Pick any color and get:
- HEX, RGB, HSL, and HSB/HSV values
- Color harmony suggestions (complementary, analogous, triadic)
- Accessibility contrast ratios
- Shades and tints of any color
How to Use
- Pick a Color: Click anywhere on the color canvas or use the color input
- Copy Any Format: Click on any color value to copy it to clipboard:
- HEX:
#3B82F6- Web standard - RGB:
rgb(59, 130, 246)- CSS use - HSL:
hsl(217, 91%, 60%)- Human-readable - HSB:
hsb(217, 76%, 96%)- Design software
- HEX:
- Check Contrast: See how your color looks on white and black backgrounds
- Explore Harmonies: View related colors:
- Complementary: Opposite on color wheel (+180°)
- Analogous: Adjacent colors (+/- 30°)
- Triadic: Three equally spaced colors (+120°, +240°)
- Save Colors: Click "Save" to store colors for later use
Accessibility
The tool shows contrast ratios for your selected color against:
- White background (
#FFFFFF) - Black background (
#000000)
This helps ensure your color choices meet WCAG accessibility guidelines.
YouTube Thumbnail Downloader
Download thumbnails from any YouTube video in all available resolutions.
What It Does
Extracts and provides download links for all thumbnail sizes available for a YouTube video.
Supported URL Formats
https://www.youtube.com/watch?v=VIDEO_IDhttps://youtu.be/VIDEO_IDhttps://www.youtube.com/shorts/VIDEO_IDhttps://www.youtube.com/embed/VIDEO_ID
Available Sizes
| Size | Dimensions | Best For |
|---|---|---|
| Max Resolution | 1280×720 | HD quality, featured images |
| Standard (SD) | 640×480 | Standard definition |
| High Quality (HQ) | 480×360 | YouTube default |
| Medium (MQ) | 320×180 | Medium thumbnails |
| Default | 120×90 | Small previews |
How to Use
- Paste YouTube URL: Copy a YouTube video URL into the input
- Click "Get Thumbnails": Fetches all available thumbnails
- Preview: Click thumbnails to preview at full size
- Download: Click "Download" to save the thumbnail
- Copy URL: Click the copy icon to get the thumbnail URL
Use Cases
- Blog Posts: Get thumbnails for video embeds
- Social Media: Share video thumbnails
- Presentations: Use thumbnails in slides
- Thumbnails Archive: Save video thumbnails for research
Text Separator
Convert text between different delimiters - perfect for data transformation.
What It Does
Transforms text between different separator formats:
- Newlines to commas
- Spaces to tabs
- Any custom separator
Supported Separators
| Separator | Value | Example Output |
|---|---|---|
| New Line | \n | item1\nitem2\nitem3 |
| Comma | , | item1,item2,item3 |
| Semicolon | ; | item1;item2;item3 |
| Space | | item1 item2 item3 |
| Tab | \t | item1 item2 item3 |
| Pipe | | | item1|item2|item3 |
| Dash | - | item1-item2-item3 |
| Colon | : | item1:item2:item3 |
| Custom | Any | Your custom delimiter |
How to Use
- Select Current Separator: How your input text is currently separated
- Select Target Separator: What format you want to convert to
- Paste Input Text: Your source text in the input area
- View Result: Converted text appears in the output area
- Quick Examples: Click example buttons for common conversions
Use Cases
- CSV Processing: Convert between comma and tab-delimited
- Data Migration: Transform data between systems
- List Formatting: Reformat text lists
- Code Development: Convert data for code arrays
Example
Input (comma-separated):
apple, banana, cherry, date
Settings: Comma → New Line
Output:
apple
banana
cherry
date
Duplicate Lines Remover
Quickly remove duplicate lines from text with customizable options.
What It Does
Scans text for duplicate lines and removes them while preserving order.
Options
| Option | Description |
|---|---|
| Case Sensitive | "Apple" and "apple" are treated as different |
| Trim Whitespace | Removes leading/trailing spaces before comparing |
How to Use
- Paste Input Text: Your text with potential duplicates
- Enable Options: Toggle case sensitivity and whitespace trimming as needed
- View Results: Cleaned text appears in the output area
- Check Stats: See how many duplicates were removed
- Copy Result: Click "Copy Result" to save the cleaned text
Use Cases
- Data Cleaning: Remove duplicate entries from lists
- Log Analysis: Clean up repeated log entries
- CSV Deduplication: Remove duplicate CSV rows
- Content Processing: Clean scraped content
Example
Input:
apple
banana
apple
cherry
banana
date
Output (case-insensitive):
apple
banana
cherry
date
YouTube Timestamp Link Generator
Create YouTube links that start at a specific second - perfect for sharing highlights.
What It Does
Generates links that automatically start a YouTube video at a specific timestamp.
How to Use
- Paste YouTube URL: Copy any YouTube video URL
- Select Start Time: Use the slider or enter seconds manually
- Use Current Time: If the video is playing, click "Use current player time"
- Copy Link: Click to copy the timestamp link
- Test: Click "Open in YouTube" to verify
Use Cases
- Share Highlights: Send friends to the best part of a video
- Tutorial Links: Link directly to specific instructions
- Podcast Timestamps: Reference specific segments
- Music Videos: Start at the chorus or favorite part
Example
URL: https://www.youtube.com/watch?v=dQw4w9WgXcQ
Start Time: 2 minutes 30 seconds (150 seconds)
Result: https://www.youtube.com/watch?v=dQw4w9WgXcQ&t=150s
Base64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings to plain text.
What It Does
- Encode: Converts readable text to Base64 format
- Decode: Converts Base64 back to readable text
How to Use
- Select Mode: Choose "Encode" or "Decode"
- Paste Input: Your text or Base64 string
- View Result: Converted output appears instantly
- Copy: Click "Copy Result" to save
- Swap: Use "Swap Input/Output" to quickly switch direction
Common Use Cases
Encoding (for developers):
Input: Hello World
Output: SGVsbG8gV29ybGQ=
Decoding (for developers):
Input: SGVsbG8gV29ybGQ=
Output: Hello World
Technical Use Cases
- API Authentication: Base64 encode credentials
- Data URLs: Create data URLs for images/embedded content
- URL Parameters: Safe text encoding for URLs
- Configuration: Store binary data in JSON/text formats
Quick Start
- Visit the Tools page
- Browse by category (Social Media, Developer, Marketing)
- Use the search bar to find a specific tool
- Click on any tool to open it
- All tools work entirely in your browser - no registration required!
Tips
- Keyboard Shortcuts: Use Ctrl/Cmd + C to copy results
- Auto-Process: Most tools update results instantly
- Privacy: All processing happens locally in your browser
- No Limits: Use tools as much as you need, completely free
Need Help?
If you have questions about any tool, visit our contact page.