Browse all 38 free utility tools, or search and filter by category below.
Format, minify, and validate JSON instantly in your browser.
Format and validate XML instantly in your browser.
Format, validate, and convert YAML to JSON instantly.
Preview Markdown as rendered HTML, with a raw HTML view you can copy.
Format and beautify SQL queries with Standard SQL, MySQL, and PostgreSQL support.
Decode a JWT's header, payload, and expiry status instantly.
Encode text to Base64 or decode Base64 back to text.
Encode text for URLs or decode URL-encoded text back to plain text.
Encode text to HTML entities or decode HTML entities back to plain text.
Test regular expressions with live-highlighted matches and groups.
Generate Python dataclasses from a JSON sample, with types inferred automatically.
Explain a cron expression in plain English and see its next 5 run times.
Generate TypeScript interfaces from a JSON sample, with types inferred automatically.
Convert a cURL command into equivalent Python (requests) or JavaScript (fetch) code.
Build and sign a JWT from a custom header, payload, and secret using HS256.
Build a valid cron expression using simple field pickers, with a plain-English preview.
Convert between a Unix timestamp and a human-readable date, in local time and UTC.
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from any text.
Generate random UUID v4 / GUID values, one at a time or in bulk.
Compare two blocks of text and see the differences highlighted.
Count words, characters, sentences, and paragraphs as you type.
Convert text to UPPERCASE, Title Case, camelCase, snake_case, and more.
Remove duplicate lines, sort alphabetically, and strip empty lines — combine any of the three.
Check password strength based on length, variety, and patterns.
Convert length, weight, and temperature units instantly.
Pick a color or convert between Hex, RGB, and HSL formats.
Calculate exact age in years, months, and days between two dates.
Calculate the difference between two dates in years, months, and days.
Calculate your Body Mass Index using metric or imperial units.
Calculate percentages, increases, decreases, and percent change.
Calculate monthly loan EMI, total interest, and total payment.
Estimate India income tax for FY 2025-26 under the new regime.
Combine multiple PDF files into one, entirely in your browser.
Extract a page range or split a PDF into individual pages.
Resize and compress images with a live preview.
Convert images between JPG, PNG, and WebP with a live preview.
Generate a QR code from any URL or text and download it as a PNG.
Generate strong, random passwords with customizable length and character types.