Developer Tools

Format, encode, decode and generate — no data ever leaves your machine.

01

JSON Formatter

Format, validate, beautify and minify JSON instantly in your browser.

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02

Base64 Encode / Decode

Encode text to Base64 or decode Base64 back to text — instantly and privately.

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03

URL Encoder / Decoder

URL encode text or decode percent-encoded strings — instantly and privately.

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04

HTML Encoder / Decoder

Encode text to HTML entities or decode HTML entities back to plain text — instantly and privately.

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05

JSON to CSV

Convert a JSON array of objects to CSV instantly in your browser.

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06

UUID Generator

Generate random version 4 UUIDs in bulk — instantly and privately.

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07

Password Generator

Create strong, random passwords instantly — 100% in your browser.

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08

JWT Decoder

Decode a JWT to read its header and payload — instantly and privately.

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09

Hash Generator (SHA-256, SHA-1, SHA-512)

Generate a SHA-256, SHA-1, or SHA-512 hash of any text — instantly and privately.

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10

Unix Timestamp Converter

Convert Unix timestamps to dates and back, in seconds or milliseconds.

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11

Number Base Converter (Binary, Hex, Decimal)

Convert numbers between decimal, binary, octal and hexadecimal live.

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12

Text Diff Checker

Compare two blocks of text and see exactly what changed, line by line.

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13

AI Regex Generator

Describe what you want to match in plain English and get a working regex, instantly.

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14

AI Website Generator

Describe your business and get a complete, single-page website in seconds.

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15

Is Fable Back?

Claude Fable 5 is back and answering.

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