Web Developer

The classic dev-tools stack — JSON formatter, regex tester, base/binary, hash generators, JWT decoder, minifiers — alongside AI helpers for code, copy, and explanations.

19 tools · 4 sections

Data formats

5 tools

Parse, format, convert.

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JSON Formatter

Format and validate JSON data.

JSON to CSV

Convert between JSON and CSV formats.

Base64 Encoder / Decoder

UTF-8-safe Base64 encode and decode. Handles emoji and non-Latin properly (older online tools using naked btoa break on these). URL-safe variant supported.

URL Encoder

Encode and decode URLs and special characters.

HTML to Text

Strip tags from HTML, decode entities, keep the words.

Code helpers

5 tools

Regex Tester

Test regular expressions with live highlighting and match details.

Diff Checker

Compare two texts and highlight differences.

JWT Decoder

Decode and inspect JSON Web Tokens.

Hash Generator

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes.

UUID Generator

Generate cryptographically-strong UUIDs (v4 random or NIL). Bulk-generate up to 100, choose format (lowercase / UPPERCASE / no dashes / braces), copy individual or all.

Build assets

5 tools

HTML Minifier

Minify HTML code to reduce file size.

CSS Minifier

Minify CSS to reduce file size.

Emoji Favicon

Turn any emoji into a complete favicon set + ready-to-paste HTML.

Meta Tag Generator

Generate SEO meta tags with a live Google preview.

Slug Generator

Convert any title or phrase into a URL-friendly slug. Strips accents (café → cafe), removes punctuation, choose separator (- / _ / .), enforce max length.

AI for the slow parts

4 tools

Boilerplate, naming, explanations.

AI Code Explainer

Understand any code with AI-powered explanations.

AI Grammar Checker

Fix grammar, spelling, and punctuation with AI.

Explain Like I'm 5

Simplify complex text to any reading level using AI.

AI Summarizer

Summarize any text into key points using AI.

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