Encoders & decoders

Move data between encodings — Base64, URL, percent — without leaving the browser.

2 tools

Base64 Encoder & Decoder

Encode and decode Base64 strings with UTF-8 safety, URL-safe mode, and MIME/PEM line formatting. 100% client-side.

URL Percent-Encoder & Parameter Inspector

Percent-encode and decode URLs adhering to RFC 3986. Switch between encodeURI and encodeURIComponent, inspect query parameters, and handle UTF-8 characters.

Open tool

Lossless Conversion

Precision Encoders and Decoders Without Network Latency

Transform text and binary structures across Base64, URL percent-encoding, and character matrices natively inside your browser engine.

RFC 4648 Base64 Compliance

Standard, URL-safe Base64, and padding variations handled with exact byte-level parity.

Lossless UTF-8 Encoding

Comprehensive multi-byte Unicode preservation without mangling international character sets.

Immediate In-Memory Output

Instant bidirectional conversion without waiting for server round-trips.

Private Binary & String Manipulation

Encoding binary payloads and authorization tokens locally ensures that raw credentials never touch network proxy logs or intermediary gateways.

Other categories

Developer tools

Format, encode, and inspect data the way developers actually do.

6 tools

Generators

Spin up passwords, UUIDs, and other identifiers with cryptographic randomness.

2 tools

Image tools

Create and tweak images for web, print, and mobile.

4 tools

Text tools

Manipulate text — case, count, placeholder, transform.

4 tools

Converters

Convert between units, formats, and markup — length, mass, temperature, Markdown, and more.

3 tools

Looking for something else?

Browse every free X114 tool, or wire the same logic into your code via the API.

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