# Dev Utilities Jam exists to make developers lives easier. Here are fast, free, open source, ad-free tools. CMD + K [**CSV to JSON** Easily convert CSV data to JSON format with our free tool. Quickest way to turn tabular data into a JSON format for APIs and data processing. Try it](/content/utilities/csv-to-json/index.html) [**TSV to JSON** Transform tab-separated values into structured JSON. Ideal for spreadsheet exports, database dumps, and scientific datasets with no delimiter conflicts. Try it](/content/utilities/tsv-to-json/index.html) [**Base64 Encode/Decode** Easily encode and decode Base64 data with our online utility, so you can transmit your data safely or decode Base64-encoded strings. Try it](/content/utilities/base-64-encoder/index.html) [**JSON Formatter** Format and beautify your JSON data for better readability and debugging. Quickly visualize and organize your JSON data with ease. Try it](/content/utilities/json-formatter/index.html) [**Unserializer** Parse serialized strings and render readable output in print\_r() or var\_dump() format. Useful for debugging WordPress database values. Try it](/content/utilities/unserializer/index.html) [**JSONL Validator** Validate JSON Lines instantly, find broken rows by line number, and convert valid records to a clean JSON array. Try it](/content/utilities/jsonl-validator/index.html) [**YAML to JSON** Easily convert YAML to JSON with our converter. Useful when you're working with configuration files and need to switch between them. Try it](/content/utilities/yaml-to-json/index.html) [**URL Encode/Decode** Convert URLs to a safe format with URL encoding or decode URL-encoded strings back to their original format. Try it](/content/utilities/url-encoder/index.html) [**Timestamp to Date Converter** Paste Unix timestamps and get a human readable dates. Perfect for developers working with time-based data. Try it](/content/utilities/timestamp-to-date/index.html) [**Query Parameters to JSON** Convert URL query parameters into a structured JSON object, simplifying the process of parsing and manipulating URL data in web applications. Try it](/content/utilities/query-params-to-json/index.html) [**HEX to RGB Converter** Convert HEX to RGB and generate CSS snippets for web, Swift, and Android with our easy-to-use color converter. Try it](/content/utilities/hex-to-rgb/index.html) [**Convert .env to netlify.toml** This free tool allows you to quickly and easily convert your .env file variables into the format needed for your netlify.toml file. Try it](/content/utilities/env-to-netlify.toml) [**Image to Base64 Converter** Instantly convert images to Base64 strings. Embed images directly in your code. Fast, free, and developer-friendly. Try it](/content/utilities/image-to-base64/index.html) [**Base64 to Image Converter** Convert Base64 strings to images instantly. Preview Base64-encoded image data in your browser. Fast, free, and developer-friendly. Try it](/content/utilities/base64-to-image/index.html) [**JSON to CSV** Transform your JSON data into sleek CSV format with Jam's free online converter. Simply paste your JSON and watch the magic happen! Try it](/content/utilities/json-to-csv/index.html) [**JSON to TSV** Transform your JSON data into TSV format with Jam's free online converter. Simply paste your JSON and get tab-separated output instantly. Try it](/content/utilities/json-to-tsv/index.html) [**HAR file viewer** Easily view and analyze HAR files online for free. Debug web traffic and network performance. Open source & ad-free. Try it](/content/utilities/har-file-viewer/index.html) [**JSON to YAML** Easily convert JSON to YAML with our converter. Perfect for when you're juggling configuration files and need a switch between formats. Try it](/content/utilities/json-to-yaml/index.html) [**Number Base Changer** Easily convert numbers between different bases (binary, octal, decimal, hexadecimal) with our free online Number Base Changer. Try it](/content/utilities/number-base-changer/index.html) [**CSS Inliner for Email** Easily convert your CSS styles to inline styles directly in your HTML. Perfect for improving email compatibility and reducing external stylesheet dependencies. Try it](/content/utilities/css-inliner-for-email/index.html) [**Regex Tester** Test and debug your regular expressions in real-time. Provides quick feedback on pattern matching for strings. Try it](/content/utilities/regex-tester/index.html) [**CSS Units Converter** Easily convert px to rem with our simple CSS unit converter. Quickly transform pixel values to rem units for better scalability and accessibility. Try it](/content/utilities/css-units-converter/index.html) [**Image Resizer** Resize images while maintaining aspect ratio and choose between PNG and JPEG formats with our free tool. Try it](/content/utilities/image-resizer/index.html) [**JWT Parser** Easily decode JWT tokens and view their header, payload, and signature. Perfect for debugging and analyzing JSON Web Tokens. Try it](/content/utilities/jwt-parser/index.html) [**Hash Generator** Quickly generate secure hashes for your text using algorithms like SHA-256, SHA-512, MD5, and more. Ideal for password hashing, data integrity checks, and cryptographic applications. Try it](/content/utilities/hash-generator/index.html) [**UUID Generator** Generate random UUIDs. Useful for creating unique identifiers for various applications such as database keys, session IDs, and more. Try it](/content/utilities/uuid-generator/index.html) [**SVG Viewer** Instantly preview and validate SVG code in your browser. Perfect for developers working with vector graphics and debugging SVG markup. Try it](/content/utilities/svg-viewer/index.html) [**Lorem Ipsum Generator** Easily generate random Lorem Ipsum text for your design projects. Perfect for placeholder content and layout previews. Try it](/content/utilities/lorem-ipsum-generator/index.html) [**WebP Converter** Convert images to WebP format with batch processing and quality control. Reduce file sizes while maintaining image quality. Try it](/content/utilities/webp-converter/index.html) [**SQL Minifier** Minify SQL by removing comments, extra spaces, and formatting for cleaner, optimized queries. Try it](/content/utilities/sql-minifier/index.html) [**Internet Speed Test** Test your internet connection speed with accurate measurements by using Cloudflare's global network. Try it](/content/utilities/internet-speed-test/index.html) [**Random String Generator** Generate cryptographically secure random strings with configurable character sets. Perfect for API keys, tokens, passwords, and secure identifiers. Try it](/content/utilities/random-string-generator/index.html) [**WCAG Color Contrast Checker** Check color contrast ratios for WCAG AA and AAA compliance. Ensure your designs meet accessibility standards with our free color contrast checker tool. Try it](/content/utilities/wcag-color-contrast-checker/index.html) [**XML to JSON** Transform XML data into JSON format instantly. Simplifies working with APIs and modern web applications that prefer JSON. Try it](/content/utilities/xml-to-json/index.html) [**CSV file viewer (.csv, .tsv, .log)** View, search, and filter CSV, TSV or LOG files with color-coded severity levels. Quickly scan through logs with Datadog-inspired faceted filtering. Try it](/content/utilities/csv-file-viewer/index.html)