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Formatter Tools View Formatter Tools JSON Formatter Markdown Preview XML Formatter
Converter Tools View Converter Tools JSON to CSV Base64 Encoder and Decoder CSV to JSON URL Encoder and Decoder
XML Tools View XML Tools XML and JSON Text Extractor
Sample Data Tools View Sample Data Tools Sample CSV Generator Sample JSON Generator Sample XML Generator Sample YAML Generator
Validator Tools View Validator Tools JSON Validator
Text Tools View Text Tools Lorem Ipsum Generator Word Counter
Security Tools View Security Tools JS Obfuscator JWT Decoder Regex Tester UUID Generator
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Fast developer tools

Online Developer Tools for Code, JSON, Text, and Data

Use the core single-file tools for free. Website ZIP Optimizer has a free eligibility scan and a one-time paid optimization step for eligible archives.

Request-scoped server processing No account required HTTPS protected transfer
Popular Tool Pages

Start with the tools developers use most

These pages handle the most common formatting, minifying, validation, and data-conversion tasks on ScriptZip.

Website ZIP Optimizer

Scan free, then optimize up to 75 website code files for $5 USD.

Free scan ยท $5 USD per eligible ZIP

CSS Minifier

Minify CSS by removing unnecessary whitespace, comments, and formatting for compact stylesheet output.

HTML Minifier

Compress HTML markup for cleaner, smaller output while keeping page structure usable.

JSON Formatter

Format and beautify JSON with clean indentation for easier reading, debugging, and sharing.

JSON Validator

Check JSON syntax and find common structure errors before using data in apps or APIs.

JSON to CSV

Convert JSON arrays or structured data into CSV output for spreadsheets and reports.

JavaScript Minifier

Minify JavaScript by removing extra spacing, comments, and optional debugging statements.

Sample CSV Generator

Generate sample CSV data for spreadsheet imports, upload testing, seed files, and database QA.
Tool Categories

Browse by workflow

Open a category hub when you want to compare related tools before jumping into the exact page for your task.

All Developer Tools

Open the exact page for the job

Each tool page is built for a specific developer task so you can move straight from paste to result without extra navigation.

Website ZIP Optimizer

Scan free, then optimize up to 75 website code files for a one-time $5 USD payment.

CSS Minifier

Minify CSS by removing unnecessary whitespace, comments, and formatting for compact stylesheet output.

HTML Minifier

Compress HTML markup for cleaner, smaller output while keeping page structure usable.

JavaScript Minifier

Minify JavaScript by removing extra spacing, comments, and optional debugging statements.

JSON Formatter

Format and beautify JSON with clean indentation for easier reading, debugging, and sharing.

Markdown Preview

Preview Markdown as rendered content before using it in docs, blogs, or project notes.

XML Formatter

Format XML with clean indentation for easier review, debugging, and documentation.

Base64 Encode and Decode

Encode text to Base64 or decode Base64 strings into readable output for development workflows.

CSV to JSON

Turn CSV rows into structured JSON for applications, APIs, and testing.

JSON to CSV

Convert JSON arrays or structured data into CSV output for spreadsheets and reports.

URL Encoder and Decoder

Encode or decode URL strings, query parameters, and percent encoded text.

XML and JSON Text Extractor

Extract URLs, text values, or specific keys from XML and JSON input.

Sample CSV Generator

Generate sample CSV data for spreadsheet imports, upload testing, seed files, and database QA.

Sample JSON Generator

Generate clean sample JSON data for API testing, frontend development, mock responses, and app prototypes.

Sample XML Generator

Generate sample XML data for test feeds, integrations, imports, exports, and legacy workflow validation.

Sample YAML Generator

Generate sample YAML data for configuration testing, docs, DevOps examples, and developer workflows.

JSON Validator

Check JSON syntax and find common structure errors before using data in apps or APIs.

Lorem Ipsum Generator

Generate placeholder text for layouts, mockups, content areas, and testing.

Word Counter

Count words, characters, lines, and paragraphs in pasted text.

JS Obfuscator

Obfuscate JavaScript to make scripts harder to read while keeping security limitations clear.

JWT Decoder

Decode JWT header and payload data for development and authentication debugging.

Regex Tester

Test regular expression patterns against sample text and review matches quickly.

UUID Generator

Generate UUID values for testing, database records, mock data, and API examples.
No tools matched that search. Try a broader term like JSON, minifier, formatter, validator, or sample data.
Developer Guides

Short guides for common technical problems

Read the quick explanation first, then jump into the matching ScriptZip tool when you are ready to fix the issue.

How JSON Formatting Works

Understand how valid JSON becomes readable output without changing its values.

 Fix Common JSON Parse Errors

Find and fix invalid quotes, commas, and brackets with reproducible JSON examples.

 Base64 vs Base64URL

Compare Base64 and Base64URL alphabets, padding, and valid UTF-8 examples.

 JavaScript Minification vs Obfuscation

Compare tested minified and obfuscated output, use cases, and security limits.
View All Guides
Latest Developer Articles

Helpful reads for debugging and workflow choices

Use the blog when you want troubleshooting help, quick comparisons, or practical explanations behind common code and data tasks.

JSON vs YAML for Everyday Developer Workflows

Compare JSON and YAML for common developer workflows and understand when formatting and validation matter most.

 Why Minifying JavaScript Improves Delivery

Learn why JavaScript minification improves delivery and when to use an online minifier workflow.

 What Is CSS Minification and Why It Matters

Learn what CSS minification does, why it helps, and when to use a online CSS minifier workflow.

 Secure In Memory Processing for Developer Web Tools

Learn why developer tools should process pasted code carefully, avoid persistent storage, and explain privacy practices clearly.
Read the Blog
Trust and Privacy

Built for fast, careful developer workflows

  • Ordinary pasted input is processed on the server for the current request.
  • No account is required to use the core developer workflows.
  • Pasted input is not saved as a tool content record; request metadata may still appear in infrastructure logs.
  • Website ZIP source and result files use private temporary storage; eligible optimization is a paid workflow.
  • Dedicated tool pages make it easy to return to the exact workflow later.
Frequently Asked Questions

Quick answers before you use a tool

Is ScriptZip free to use?

The core single-file formatting, minifying, converting, validating, and sample-data tools are free. Website ZIP Optimizer has a free eligibility scan followed by a one-time paid optimization workflow for eligible archives.

Do I need to create an account?

No. You can open a tool page, paste your code or data, and run the workflow without creating an account.

Are my pasted code or files stored?

Pasted input for the public single-file tools is sent to the server for the current request and is not saved as a tool content record. Website ZIP Optimizer stores uploaded and generated archives temporarily for its configured retention window.

Can I minify CSS, HTML, and JavaScript online?

Yes. ScriptZip includes dedicated pages for CSS Minifier, HTML Minifier, and JavaScript Minifier workflows.

Can I format and validate JSON online?

Yes. You can use JSON Formatter, JSON Validator, JSON Minifier, and related converter pages directly from the site.

Can I generate sample JSON, CSV, XML, or YAML data?

Yes. Sample Data Tools can generate test records dynamically in JSON, XML, CSV, and YAML without saving the generated output.

Which developer tools are available on ScriptZip?

ScriptZip includes minifiers, formatters, validators, converters, text tools, sample data tools, and developer utilities for common code and data workflows.