The tool directory

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36

36 tools ready to help

Age Calculator

Calculate exact age from date of birth with breakdowns by years, months, days, and upcoming birthday milestones.

Utilities

Image Background Remover

Remove image backgrounds instantly with AI-powered masking, smart edge refinement, and batch exports to transparent PNG, JPG, or WebP—all processed privately in your browser.

Media

Barcode

Generate EAN, UPC, Code 128, and GS1 barcodes online with automatic check digits and print-ready SVG/PNG exports.

Utilities

Case Converter

Convert text to uppercase, lowercase, title case, sentence case, camelCase, snake_case, and more online.

Utilities

Color Converter

Convert HEX, RGB, HSL, and CMYK values online with live previews, accessible contrast checks, and copy-ready CSS snippets.

Design

Cron Expression Builder

Generate cron expressions online with presets, human-readable schedules, and next-run previews for Linux, Kubernetes, and Laravel tasks.

Developer Tools

Cron Expression Validator

Validate cron expressions online, inspect each field, and preview upcoming run times to ensure your schedules execute exactly as expected.

Developer Tools

CSV JSON Converter

Convert CSV to JSON or JSON to CSV instantly with Monaco editors, delimiter controls, and downloadable output tailored for analytics and integrations.

Developer Tools

DNS Lookup

Perform DNS lookups online to fetch A, AAAA, MX, TXT, CNAME, NS, and CAA records with TTLs, priorities, and map visualisations.

Developer Tools

Duplicate Line Remover

Remove duplicate lines online while keeping the first occurrence and preserving original order.

Utilities

Base64

Free online Base64 encoder and decoder for text, JSON, JWT tokens, and query strings. Encode or decode instantly in your browser with no uploads.

Utilities

JSON Formatter

Free online JSON formatter and validator with instant beautification, syntax error highlighting, and one-click minification. Format, validate, and fix JSON payloads, API responses, and configuration files directly in your browser—no uploads required.

Developer Tools

Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes online for text or files with instant checksum comparisons.

Security

HTTP Header Checker

Check HTTP response headers, status codes, redirect chains, and security headers for any public URL.

Developer Tools

Image Compressor

Compress PNG, JPG, and WebP images online with adjustable quality, smart resizing, and side-by-side previews.

Media

Image Converter

Convert PNG, JPG, WebP, GIF, and AVIF images online without uploads. Adjust quality, resize, and export ready-to-use assets in seconds.

Media

IP Info Lookup

Look up IP address details online including geolocation, ASN owner, timezone, and proxy or VPN detection flags.

Developer Tools

JWT Decoder

Decode JWT tokens, inspect claims, and verify HS256, HS384, or HS512 signatures online without exposing secrets.

Security

JWT Generator

Build and sign JSON Web Tokens online with editable headers, payload claims, and HS256/HS384/HS512 signatures generated locally.

Security

Line Sorter

Sort lines alphabetically or numerically online with case sensitivity, trimming, and duplicate handling options.

Utilities

Password Generator

Generate strong random passwords online with custom length, character sets, and passphrase options powered by secure randomness.

Security

Percentage Calculator

Calculate percentages online for discounts, markup, percent change, and percent of number scenarios with instant summaries.

Utilities

QR Code

Create free QR codes online with custom colors, logos, quiet zones, and print-ready SVG or PNG downloads.

Utilities

Regex Tester

Test regular expressions online with live match highlighting, flag toggles, replacement previews, and named group inspection.

Developer Tools

Request Tool

Request a new Batch Toolkit feature, share your workflow needs, and help us prioritise upcoming releases.

Utilities

SSH Key Generator

Generate secure SSH key pairs online (Ed25519, RSA, ECDSA) with OpenSSH-ready output, fingerprints, and PEM downloads.

Security

SSH Public Key Extractor

Parse OpenSSH keys, known_hosts entries, and certificates online to view fingerprints, principals, and algorithm metadata without exposing secrets.

Security

Text Counter

Count words, characters, sentences, paragraphs, and reading time online with instant analytics.

Utilities

Timestamp Converter

Convert Unix timestamps to readable dates (and back) across seconds, milliseconds, microseconds, and nanoseconds with local or UTC output.

Developer Tools

TOTP Generator

Generate TOTP 2FA codes online from Base32 secrets with live countdowns, SHA-1/SHA-256/SHA-512 support, and otpauth links.

Security

Unit Converter

Convert units online for length, weight, temperature, volume, area, and speed with real-time results and quick swaps.

Utilities

URL Encoder

Encode or decode URLs, query strings, and reserved characters online with instant copy-ready results.

Developer Tools

URL Parser

Parse URLs online to inspect scheme, host, path, query parameters, and decoded values with instant copy options.

Developer Tools

UUID Generator

Generate RFC 4122 compliant UUIDs online with optional uppercase, braces, URN output, and batch copy support.

Utilities

WHOIS Lookup

Run WHOIS and RDAP lookups online to view registrar data, contact details, DNSSEC status, and lifecycle events for domains or IP ranges.

Developer Tools

YAML JSON Converter

Convert YAML to JSON or JSON to YAML online with Monaco editors, schema validation, and copy-ready output tailored for CI configs and API specs.

Developer Tools

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