Developer ToolsEncoding & Decoding

URL Encoder & Decoder

Encode text for URI components or decode percent-encoded URLs instantly.

Overview

Convert special characters into valid RFC 3986 percent-encoded strings or decode query parameters back into human-readable text.

100% Private: All operations run locally on your device. Files never touch our servers.

URL Encoder & Decoder: Percent-Encoding for URIs

The URL Encoder transforms unsafe URI query characters and spaces into percent-encoded equivalents (%20, %26) compliant with RFC 3986.

How to Percent-Encode URIs

Fast & Intuitive
1

Input URI String

Paste your address or query argument.

2

Select Encode or Decode

Toggle the conversion direction.

3

Copy Safe URL

Use the safe, sanitized URL in web requests.

Key Highlights & Advantages

100% Client-Side Privacy

Zero server uploads. Everything processes securely within your local browser memory.

Instant Zero-Latency Execution

Immediate results with no file upload or download queues.

Unlimited & Completely Free

No registration, no paywalls, and no hidden quotas.

Cross-Device Responsive Experience

Seamlessly optimized for mobile smartphones, tablets, and desktop workstations.

Modern In-Browser Execution Architecture

All data processing runs natively via W3C compliant browser hardware acceleration.

Expert Tips & Best Practices
  • Always encode dynamic query parameters before passing them through redirection endpoints.

Frequently Asked Questions

1 Q&As

Why are spaces percent-encoded as %20?

RFC 3986 forbids literal whitespace characters within standard URL paths.

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