All tools
Explore 34 free browser-based utilities
No tools matched your search query.
Request a toolText & Data
Text & Data
JSON Formatter & Validator
Beautify, minify, and validate JSON with instant error locations.
Text & Data
JSONPath Tester
Query JSON data with JSONPath expressions locally in your browser.
Text & Data
JSON Schema Validator
Validate JSON data against a JSON Schema locally in your browser.
Text & Data
Line Filter
Keep or remove matching lines from text locally in your browser.
Text & Data
Markdown Table Generator
Turn CSV-style rows into a Markdown table locally in your browser.
Text & Data
JSON Diff Checker
Compare two JSON documents and inspect changed paths locally.
Text & Data
Email & URL Extractor
Extract unique email addresses and URLs from text locally.
Text & Data
HTML Formatter & Minifier
Format and minify HTML locally in your browser.
Text & Data
CSS Formatter & Minifier
Format and minify CSS locally in your browser.
Text & Data
JavaScript Formatter & Minifier
Format and minify JavaScript locally in your browser.
Text & Data
YAML Formatter & Validator
Validate, format, and convert YAML documents entirely in your browser.
Text & Data
XML Formatter & Validator
Validate XML syntax and pretty-print XML without uploading it.
Text & Data
URL Parser & Query Editor
Inspect URL components and query parameters locally in your browser.
Text & Data
JWT Decoder
Decode JSON Web Token headers and payloads locally without verification.
Text & Data
Regex Tester
Test JavaScript regular expressions against sample text with live match highlighting.
Text & Data
Text Diff Checker
Compare two blocks of text and see line-by-line differences.
Text & Data
Markdown Previewer
Write Markdown on the left, see the rendered HTML on the right.
Text & Data
Case Converter
Convert text between camelCase, snake_case, kebab-case, PascalCase and more.
Text & Data
Word & Character Counter
Count words, characters, sentences, and estimated reading time.
Text & Data
Text Cleaner & Line Tools
Sort, deduplicate, normalize, and replace text locally in your browser.
Text & Data
HTML to Text Converter
Extract readable plain text from HTML locally in your browser.
Text & Data
Slug Generator
Turn titles and text into clean URL slugs locally.
Converters
Converters
CSV to JSON Converter
Convert CSV data to JSON or JSON records to CSV locally in your browser.
Converters
JSON to YAML Converter
Convert JSON documents to YAML and YAML documents to JSON locally.
Converters
Unix Timestamp Converter
Convert between Unix timestamps and human-readable dates in any timezone.
Converters
Data Size & Unit Converter
Convert between bytes, KB, MB, GB, TB and more.
Encoding
Generators
Generators
Lorem Ipsum Generator
Generate placeholder text locally in your browser.
Generators
Random String Generator
Create cryptographically secure random strings locally.
Generators
QR Code Generator
Generate downloadable QR codes locally in your browser.
Generators
Password Generator
Generate strong, random passwords with configurable length and character sets.
Generators
UUID Generator
Generate v4 UUIDs individually or in bulk.
Generators
Hash Generator
Compute MD5, SHA-1, SHA-256, and SHA-512 hashes of text.
Missing a utility? Request a tool.