20 tools · 6 categories

$ ls tools/

Every tool you need, nothing you don’t. All run in your browser. No data leaves your machine. No signup, no tracking, no ads-in-your-face.

encoding
01 / encoding

UUID Generator

Generate UUIDs in v1, v4, v5 and v7 versions. Bulk mode, JSON / CSV / SQL output.

02 / encoding

Base64 Encode / Decode

Encode and decode Base64 strings. URL-safe variant, full UTF-8 support.

03 / encoding

URL Encoder / Decoder

Percent-encode and decode URLs. Component-level or full URL.

06 / encoding

HTML Escape / Unescape

Escape and unescape HTML entities. Safe for templates.

hash
04 / hash

MD5 Hash Generator

Generate MD5 hash from any text. Hex output.

05 / hash

SHA Hash Generator

Generate SHA-1, SHA-256, SHA-512. HMAC mode supported.

formatter
07 / formatter

JSON Formatter & Validator

Format, minify, validate JSON with parse errors.

08 / formatter

Markdown to HTML Converter

Convert Markdown to clean HTML with live preview.

09 / formatter

SQL Formatter / Beautifier

Beautify SQL queries. Uppercase keywords, custom indent.

10 / formatter

CSS Formatter / Minifier

Beautify or minify CSS with custom indent.

11 / formatter

XML Formatter / Validator

Format and beautify XML with error reporting.

time
12 / time

Unix Timestamp Converter

Convert Unix epoch to date. s · ms · us · ns.

13 / time

Cron Expression Parser

Parse cron expressions. Show next 5 run times.

14 / time

Timezone Converter

Convert time between any two IANA zones.

text
15 / text

Regex Tester

Test JavaScript regex with real-time match highlighting.

16 / text

Text Diff / Compare

Compare two texts side by side.

17 / text

Case Converter

camelCase, snake_case, kebab-case, PascalCase.

20 / text

Lorem Ipsum Generator

Generate placeholder text in any size.

auth & security
18 / auth

JWT Decoder

Decode JSON Web Tokens. Inspect header, payload, signature.

19 / security

Password Generator

Cryptographically strong passwords via Web Crypto.

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