Developer Tools

WordsCompare helps developers format data, inspect payloads, decode tokens, validate output, and handle routine engineering tasks directly in the browser without leaving the workflow.

Software developers Backend developers Frontend developers Full-stack engineers

Why developers use WordsCompare

Inspect data fast

Format JSON, view payloads, and diagnose API responses without leaving the browser.

Check security flows

Decode JWTs, verify hash output, and review encoded values during auth and integration work.

Keep delivery moving

Use quick tools for date conversion, text cleanup, and formatting checks while shipping code.

Ship cleaner output

Validate syntax, compare versions, and prepare content or payloads before deployment.

JSON & Data

4 tools

JSON Formatter

Beautify, validate, and inspect JSON payloads for APIs and configuration files.

JSON Viewer

Read and explore structured JSON output in an easy-to-scan layout.

JSON to PDF

Turn JSON content into a printable PDF for sharing or documentation.

PDF to JSON

Extract structured data from PDFs into JSON for downstream use.

Encoding & Decoding

3 tools

Base64 Encoder

Encode and decode Base64 values for APIs, auth flows, and data exchange.

URL Encoder

Convert URLs and query strings into safe encoded values for web requests.

JWT Decoder

Inspect JWT headers and payloads while debugging authentication and access tokens.

Security

2 tools

Hash Generator

Generate common hashes for verification, checksums, and security testing.

Password Generator

Create secure random credentials for testing and internal tooling.

Web Development

4 tools

Color Picker

Pick HEX, RGB, and HSL values quickly for front-end styling and prototypes.

QR Code Generator

Create QR codes for URLs, contact details, and quick sharing.

HTML to PDF

Convert HTML content into a PDF for demos, documentation, and export flows.

PDF to HTML

Turn PDF output back into HTML for reuse, comparison, or formatting checks.

Code Formatting

2 tools

Case Converter

Convert strings between common coding styles such as snake_case and camelCase.

Text to Slug

Transform headings and labels into clean slugs for URLs and content IDs.

Text Processing

5 tools

Text Compare

Compare two text versions and highlight differences for debugging and release checks.

Find & Replace Text

Update repeated values across content blocks and test data quickly.

Remove Extra Spaces

Clean trailing and repeated whitespace from source text before validation.

Word Counter

Check content length and text metrics for drafts, docs, and QA notes.

Reverse Text

Flip strings for edge-case testing and quick validation checks.

Date & Time

1 tool

Age Calculator

Calculate date-based differences and age values for forms, flows, and scheduling checks.

Utilities

1 tool

Unit Converter

Convert common units for calculations and engineering estimates.

Related categories

Free QA & Testing Tools API Testing Tools JSON Tools DevOps Tools