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

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

1. Enter Phone Number: Add the full phone number with country code (no + symbol or dashes)
   • Example: 15551234567 for US number
2. Add Message (Optional): Type a pre-filled message
   • The tool automatically URL-encodes your message
3. Click "Generate Link": Creates your shareable WhatsApp link
4. 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

1. Pick a Color: Click anywhere on the color canvas or use the color input
2. 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
3. Check Contrast: See how your color looks on white and black backgrounds
4. Explore Harmonies: View related colors:
   • Complementary: Opposite on color wheel (+180°)
   • Analogous: Adjacent colors (+/- 30°)
   • Triadic: Three equally spaced colors (+120°, +240°)
5. 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_ID
• https://youtu.be/VIDEO_ID
• https://www.youtube.com/shorts/VIDEO_ID
• https://www.youtube.com/embed/VIDEO_ID

Available Sizes

How to Use

1. Paste YouTube URL: Copy a YouTube video URL into the input
2. Click "Get Thumbnails": Fetches all available thumbnails
3. Preview: Click thumbnails to preview at full size
4. Download: Click "Download" to save the thumbnail
5. 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

How to Use

1. Select Current Separator: How your input text is currently separated
2. Select Target Separator: What format you want to convert to
3. Paste Input Text: Your source text in the input area
4. View Result: Converted text appears in the output area
5. 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

How to Use

1. Paste Input Text: Your text with potential duplicates
2. Enable Options: Toggle case sensitivity and whitespace trimming as needed
3. View Results: Cleaned text appears in the output area
4. Check Stats: See how many duplicates were removed
5. 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

1. Paste YouTube URL: Copy any YouTube video URL
2. Select Start Time: Use the slider or enter seconds manually
3. Use Current Time: If the video is playing, click "Use current player time"
4. Copy Link: Click to copy the timestamp link
5. 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

1. Select Mode: Choose "Encode" or "Decode"
2. Paste Input: Your text or Base64 string
3. View Result: Converted output appears instantly
4. Copy: Click "Copy Result" to save
5. 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

1. Visit the Tools page
2. Browse by category (Social Media, Developer, Marketing)
3. Use the search bar to find a specific tool
4. Click on any tool to open it
5. 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.