encoding_rs

Business Profile

Core Value Proposition

encoding_rs provides a high-decode-performance, low-legacy-encode-footprint and high-correctness implementation of the WHATWG Encoding Standard in Rust.

Target Customer

Web developers and browser engineers; developers implementing encoding standards; Mozilla Firefox developers.

Key Differentiator

Rust-based library focused on fast decoding, correctness per WHATWG standards, and a small footprint for legacy encodings; explicitly described as a Web-Compatible Character Encoding Library.

Implementation Timeline

Not specified in content

Pain Points

1Need for high-performance decoding of web-encoded data
2Desire to minimize footprint from legacy encoding handling
3Need for high correctness when implementing encoding standards

Key Features

1High decode performance
2Low legacy-encode-footprint
3High correctness aligned with WHATWG Encoding Standard
4Rust-based implementation

Target Customer Industries

Client Results

1Used in Mozilla Firefox as part of encoding handling
2Related work: Validator.nu HTML Parser used in Firefox via translation to C++

Competitive Advantages

1Performance-focused Rust library
2Standards-compliant implementation (WHATWG)
3Small footprint for legacy encoding scenarios
4Proven usage in Firefox

Key Benefits

1High decode performance

2Low legacy-encode-footprint

3High correctness per WHATWG Encoding Standard

4Rust safety and ecosystem benefits

Case Studies & Success Stories

encoding_rs powers Firefox encoding handling

Case #1

A high-performance, correct Rust library implementing the WHATWG Encoding Standard, used by Firefox.

Validator.nu HTML Parser in Firefox

Case #2

Validator.nu HTML Parser (Java) used in Firefox via automated translation to C++, enabling HTML5 parsing.

Additional Product Information

Product Description

A Web-Compatible Character Encoding Library in Rust.

Target Market

Web browser developers, web standards implementers, and web developers requiring robust encoding/decoding functionality.

Unique Value Proposition

Rust-based, high-performance, standards-compliant encoding library with proven Firefox usage and a small footprint for encoding workloads.

Technical Requirements

Rust tooling; integration into browser/engine build process (e.g., Firefox).

Pricing Model

Not disclosed

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