Does Base64 encoding encrypt my data?

No. Base64 is an encoding scheme, not encryption. Anyone who receives a Base64 string can decode it instantly without a key. Do not use Base64 to hide sensitive data.

What is the difference between standard and URL-safe Base64?

Standard Base64 uses + and / as its 62nd and 63rd characters. These have special meaning in URLs, so URL-safe Base64 replaces them with - and _ respectively. The output is otherwise identical and interchangeable if you handle the substitution correctly.

What is the difference between HSL and HSV?

Both use hue and saturation, but the third channel differs. In HSL, lightness 0 is black and lightness 100 is white — fully saturated colours sit at lightness 50. In HSV, value 0 is black and value 100 is the full colour — to get white you reduce saturation, not value. Design software colour pickers typically use HSV; CSS uses HSL.

Does the tool support alpha / transparency?

Not currently. This converter handles opaque colours only. For RGBA or HSLA, append the alpha channel manually to the CSS output: rgb(255, 102, 0) → rgba(255, 102, 0, 0.5).

Tool comparison

Base64 Encoder / Decoder vs Color Converter

Base64 Encoder / Decoder (encoding) and Color Converter (conversion) come from different categories but appear together in developer workflows. This guide explains what each does and when to reach for one over the other.

Bottom line

Base64 is a binary encoding scheme for text-safe data transport; Color Converter translates between colour notations like HEX and RGB. They solve entirely different problems and are not substitutes.

What each tool does

Base64 Encoder / Decoder

Base64 is an encoding scheme that converts binary data — or any text — into a string of 64 ASCII characters (A–Z, a–z, 0–9, +, /). It is used wherever binary data must travel through a medium that only handles text: embedding images in HTML or CSS, encoding credentials in HTTP Authorization headers, storing binary payloads in JSON, and passing data through URLs. Base64 does not encrypt data; it only changes the representation. The URL-safe variant replaces + with - and / with _ so the result is safe to embed in URLs and filenames without percent-encoding.

Open Base64 Encoder / Decoder →

Color Converter

Colors in digital design and web development are represented in multiple formats, each suited to a different context. HEX (#ff6600) is the format used in CSS, HTML, and design tools like Figma and Photoshop. RGB (red, green, blue) is the native format of screens — each channel has a value from 0 to 255. HSL (hue, saturation, lightness) is the most human-readable format: you adjust hue to pick a colour family, saturation to move from grey to vivid, and lightness to go from black to white. HSV/HSB (hue, saturation, value/brightness) is used in colour pickers in design software and is similar to HSL but with different semantics for the third channel. Converting between formats is necessary when moving colours from a design tool (HEX or HSL) to CSS code (rgb()), from a colour picker (HSV) to a data attribute (HEX), or when programmatically generating palettes by rotating the hue in HSL.

Open Color Converter →

Side-by-side comparison

Feature	Base64 Encoder / Decoder	Color Converter
Category	encoding	conversion
Primary purpose	Encode text or data to Base64, or decode Base64 back to plain text.	Convert colors between HEX, RGB, HSL, and HSV — instantly and in any direction.
Inputs	input, mode, charset	color
Outputs	output, valid, encoding, byte_length, error	hex, rgb, hsl, hsv, valid, error

When to use each

Use Base64 Encoder / Decoder when…

How to encode a string to Base64

Convert plain text to a Base64 string for use in APIs, HTTP headers, or data URIs.

How to decode a Base64 string

Convert a Base64-encoded string back to its original plain text.

Use Color Converter when…

How to convert HEX to RGB for CSS

Convert a HEX colour code from a design file to an rgb() value for use in CSS.

How to convert RGB to HEX

Convert an RGB colour value to a HEX code for use in HTML, CSS, or a design tool.

Frequently asked questions

Does Base64 encoding encrypt my data?: No. Base64 is an encoding scheme, not encryption. Anyone who receives a Base64 string can decode it instantly without a key. Do not use Base64 to hide sensitive data.
What is the difference between standard and URL-safe Base64?: Standard Base64 uses + and / as its 62nd and 63rd characters. These have special meaning in URLs, so URL-safe Base64 replaces them with - and _ respectively. The output is otherwise identical and interchangeable if you handle the substitution correctly.
What is the difference between HSL and HSV?: Both use hue and saturation, but the third channel differs. In HSL, lightness 0 is black and lightness 100 is white — fully saturated colours sit at lightness 50. In HSV, value 0 is black and value 100 is the full colour — to get white you reduce saturation, not value. Design software colour pickers typically use HSV; CSS uses HSL.
Does the tool support alpha / transparency?: Not currently. This converter handles opaque colours only. For RGBA or HSLA, append the alpha channel manually to the CSS output: rgb(255, 102, 0) → rgba(255, 102, 0, 0.5).