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Explore 55 free, browser-based tools — sorted A to Z.
Calculate exact age in years, months, days, hours.
Encode and decode Base64 strings.
Calculate Body Mass Index in imperial or metric units.
Convert text between camel, snake, kebab cases.
Calculate hashes (SHA-256, SHA-512, SHA-1).
Convert between HEX, RGB, and HSL.
Calculate compound growth with monthly contributions.
Build cron expressions visually with human-readable explanations.
Build Content Security Policy headers.
Convert CSV data to JSON instantly with custom delimiters.
Translate cURL to JavaScript fetch and Axios.
Convert cURL commands into Python requests code.
Calculate sale prices, savings, and stacked discounts.
Eject water and clear dust from phone speakers using sound waves and vibration.
Calculate weighted grades, letter grade, GPA.
Generate SHA-256, SHA-512, SHA-384, SHA-1 hashes.
Generate HMAC signatures.
Encode and decode HTML entities.
Inspect and parse HTTP headers.
Compress JPEG, PNG, and WebP images directly in your browser with zero quality compromise.
Convert images between JPEG, PNG, and WebP formats instantly in your browser with complete privacy.
Resize and compress images in the browser without uploads.
Create professional invoices with tax, discount, and multi-currency support.
Format and validate JSON payloads.
Convert JSON payloads into Go struct definitions.
Generate Pydantic models from JSON.
Convert JSON into TypeScript interfaces.
Convert between JSON and YAML formats.
Generate Zod validation schemas from JSON.
Decode and inspect JWT tokens.
Calculate monthly loan payments with full amortization schedule.
Generate placeholder text for designs and mocks.
Convert Markdown to HTML live.
Find MIME types and file extensions.
Combine two names into creative blends, ship names, and brand names.
Generate compact URL-friendly IDs.
Calculate percentages, increase, decrease, and difference.
Generate QR codes.
Generate random numbers with unique-only and sorting options.
Test regular expressions against text.
Convert annual salary to hourly, weekly, monthly, biweekly pay.
Generate cryptographically strong passwords.
Convert text into clean, SEO-friendly URL slugs.
Create Linux systemd service files.
Compare two text blocks.
Calculate restaurant tips and split bills.
Tools.image-to-pdf.description
Generate and parse ULIDs.
Convert Unix timestamps to dates.
Percent-encode and decode URI components.
Deconstruct URLs into components and query params.
Parse User-Agent strings.
Advanced User-Agent analysis.
Generate Version 4 UUIDs.
Count words, characters, sentences, and reading time.