21 Client-Side Micro-Tools

Developer Micro-Tools Hub

Fast, zero-latency micro-utilities for modern developers. Formatted, validated, encoded, and parsed entirely in your browser with zero data logging.

100% In-Browser Execution Zero Server Uploads Instant Performance

JSON Tools Hub

Format, validate, minify, inspect, and convert JSON structures to YAML or CSV.

Explore 10 JSON Tools

Encoding & Decoding

Base64, URL percent-encoding, and HTML entity converters with UTF-8 support.

Explore 6 Encoding Tools

Developer Utilities

UUID generation, Unix timestamp parsing, JWT decoding, regex testing, and cron builders.

Explore 13 Utilities

All Tools Directory

JSON FormatterJSON

Format and beautify unformatted or minified JSON with customizable indentation.

JSON ValidatorJSON

Validate JSON syntax and locate line and column syntax errors.

JSON MinifierJSON

Compress and minify JSON files by removing unnecessary whitespace.

JSON ViewerJSON

Interactive tree viewer to explore nested JSON objects.

JSON to YAMLJSON

Convert JSON objects and arrays into clean YAML configurations.

YAML to JSONJSON

Convert YAML configuration files into valid, formatted JSON.

JSON to CSVJSON

Convert JSON arrays or objects into downloadable RFC 4180 CSV files.

Base64 EncoderEncoding

Encode plain text or UTF-8 Unicode strings into Base64.

Base64 DecoderEncoding

Decode Base64 encoded strings back into UTF-8 plain text.

URL EncoderEncoding

Encode URLs or query string parameters to percent-encoded format.

URL DecoderEncoding

Decode percent-encoded URL strings back into plain text.

HTML EncoderEncoding

Convert HTML special characters into safe entity references.

HTML DecoderEncoding

Decode HTML entities back into plain text safely.

UUID GeneratorIdentifiers & Time

Generate random RFC 4122 v4 UUIDs individually or in bulk.

UUID ValidatorIdentifiers & Time

Validate UUID syntax and determine version and variant compliance.

Unix TimestampIdentifiers & Time

Convert between Unix timestamps and ISO 8601 UTC / Local dates.

JWT DecoderSecurity & Web

Decode JSON Web Tokens to inspect Header, Payload claims, and expiration.

Hash GeneratorSecurity & Web

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

Regex TesterDeveloper Utilities

Test regular expressions with match indices, flags, and capture groups in a Web Worker.

Cron GeneratorDeveloper Utilities

Build and explain 5-field Unix cron schedule expressions in plain English.

Color ConverterDeveloper Utilities

Convert colors between HEX, RGB(a), HSL(a), and CMYK formats.

JSON DiffJSON

Compare two JSON objects semantically and pinpoint added, removed, and changed properties.

JSON Escape / UnescapeJSON

Escape and unescape special characters, quotes, and backslashes in JSON strings.

JSONPath TesterJSON

Evaluate JSONPath queries against JSON objects safely in your browser.

Word Counter & Text AnalyticsDeveloper Utilities

Count words, characters, sentences, paragraphs, and reading time in real-time.

Case ConverterDeveloper Utilities

Convert text between camelCase, PascalCase, snake_case, kebab-case, and UPPERCASE.

Remove Duplicate LinesDeveloper Utilities

Deduplicate list items and lines preserving original line ordering.

Sort LinesDeveloper Utilities

Sort text lines alphabetically, numerically, in reverse, or by length.

Text DiffDeveloper Utilities

Compare two text blocks line-by-line and highlight additions and deletions.

Featured Developer Guides

In-depth technical articles, tutorials, and specifications.

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