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Essential utilities for software engineers — format JSON, generate UUIDs, and create AI-powered legal documents.
Format, validate, and minify JSON instantly with clear error hints.
Decode JWT header and payload quickly for debugging auth flows.
Encode text to Base64 or decode Base64 strings safely.
Encode URLs and query params or decode encoded URL strings.
Generate RFC-compliant UUID v4 values with one click.
Convert Unix timestamps to readable dates and back in seconds.
Hash passwords with bcrypt and compare plain text quickly.
Prettify and minify your SQL queries for better readability.
Convert YAML to JSON and vice versa with instant validation.
Create cron job schedule expressions with a visual interface.
Clean up HTML snippets and convert them to readable Markdown.
Convert JSON arrays to clean, downloadable CSV files instantly.
Convert large CSV files to structured JSON instantly.
Write and preview GFM markdown with live split-view.
View your IP, browser info, and digital fingerprint.
Test JavaScript RegExp online with flags, matches, groups, and quick presets.
Compare two JSON documents with a readable line-by-line diff.
Turn a copied cURL command into a JavaScript fetch snippet.
Create professional, compliant privacy policies for your website in seconds.
Create beautiful, shareable images of your code snippets.
Generate TS interfaces from JSON objects.
Generate ASCII file trees from folder paths.
Convert SVG code to React (JSX) components.
Flatten JSON objects into Excel spreadsheets.
Convert CSV data to Markdown (GFM) tables.
Localized tools for USA residents including sales tax, AQI, area codes, and cost of living comparisons.
Grow your channel with AI-powered tools for transcripts, scripts, SEO analysis, and video optimization.
Optimize your website for search engines with free meta tag generators, sitemap validators, and social preview checkers.
Create better content with AI detection, word counting, title generation, and case conversion utilities.
Calculate loans, compound interest, and convert currencies with real-time exchange rates and gold prices.
Free health calculators for BMI, calories, macros, body fat, ideal weight, pregnancy due dates, fertility, sleep cycles, and heart rate zones.
GPA calculators, countdown timers, and productivity tools for students and professionals.
Coin flips, dice rollers, zodiac calculators, random pickers, and more fun tools.
VAT calculators, closing cost estimators, employee cost calculators, and business name generators.
Text to binary, color code converters, character counters, and other developer utilities.
Generate QR codes and create visual assets for your projects.
Supercharge your content creation with AI-powered generators for blog outlines, email subjects, and social media captions.
Convert, compress, merge, split, edit, and secure PDF files — all free and 100% private in your browser. Your files never leave your device.
Compress, convert, resize, crop, and clean up images — all free and 100% private in your browser. Convert PNG, JPG, WEBP, HEIC and more. Your photos never leave your device.
Turn voice into text and text into speech, transcribe recordings, and generate subtitles — all free and 100% private in your browser. No sign-up, nothing uploaded.