80 free tools

Developer Tools

Format, encode, decode, validate, generate, and debug common developer data.

Free developer tool

Base64 Decoder

Base64 Decoder for quick browser-based workflows.

Free developer tool

Base64 Encoder

Base64 Encoder for quick browser-based workflows.

Free developer tool

CSS Minifier

Css Minifier for quick browser-based workflows.

Free developer tool

Data URI Builder

Data Uri Builder for quick browser-based workflows.

Free developer tool

ENV File Sorter

Env File Sorter for quick browser-based workflows.

Free developer tool

HTML Escape Tool

Html Escape Tool for quick browser-based workflows.

Free developer tool

HTML Unescape Tool

Html Unescape Tool for quick browser-based workflows.

Free developer tool

HTTP Header Parser

Http Header Parser for quick browser-based workflows.

Free developer tool

ISO Date Formatter

Iso Date Formatter for quick browser-based workflows.

Free developer tool

JSON Escape Tool

Json Escape Tool for quick browser-based workflows.

Free developer tool

JSON Formatter

Json Formatter for quick browser-based workflows.

Free developer tool

JSON Minifier

Json Minifier for quick browser-based workflows.

Free developer tool

JSON Unescape Tool

Json Unescape Tool for quick browser-based workflows.

Free developer tool

JSON Validator

Json Validator for quick browser-based workflows.

Free developer tool

JWT Decoder

Jwt Decoder for quick browser-based workflows.

Free developer tool

Log Level Counter

Log Level Counter for quick browser-based workflows.

Free developer tool

MD5 Style Checksum

Md5 Style Checksum for quick browser-based workflows.

Free developer tool

MIME Type Lookup

Mime Type Lookup for quick browser-based workflows.

Free developer tool

Port List Cleaner

Port List Cleaner for quick browser-based workflows.

Free developer tool

Regex Match Tester

Regex Match Tester for quick browser-based workflows.

Free developer tool

Regex Replace Tool

Regex Replace Tool for quick browser-based workflows.

Free developer tool

Robots Rule Tester

Robots Rule Tester for quick browser-based workflows.

Free developer tool

Semver Bump Helper

Semver Bump Helper for quick browser-based workflows.

Free developer tool

SHA-1 Generator

Sha-1 Generator for quick browser-based workflows.

Free developer tool

SHA-256 Generator

Sha-256 Generator for quick browser-based workflows.

Free developer tool

SQL Formatter Lite

Sql Formatter Lite for quick browser-based workflows.

Free developer tool

SQL Minifier Lite

Sql Minifier Lite for quick browser-based workflows.

Free developer tool

URL Decoder

Url Decoder for quick browser-based workflows.

Free developer tool

URL Encoder

Url Encoder for quick browser-based workflows.

Free developer tool

User Agent Parser

User Agent Parser for quick browser-based workflows.

Free developer tool

UUID Generator

Uuid Generator for quick browser-based workflows.

Free developer tool

XML Formatter

Xml Formatter for quick browser-based workflows.

Free developer tool

XML Minifier

Xml Minifier for quick browser-based workflows.

Why use Pawstool developer tools?

These tools are designed for quick, focused tasks with clear inputs, copyable outputs, related links, and mobile-friendly layouts.

Privacy and workflow

Most tools run locally in your browser. Pages that inspect files or text explain what they do and provide downloadable results where useful.