Más de 800 utilidades web gratuitas, rápidas y 100% privadas
Cero subidas a servidores

Text & Writing Tools 32 tools

Fast client-side utilities for counting words, converting case, diffing text, cleaning duplicates, and generating slugs.

Developer Tools 130 tools

Essential browser utilities for software engineers: JSON prettifier, regex tester, UUID generator, and markdown previewer.

Structured Data Tools 38 tools

Two-way tabular conversion tools between CSV and JSON with automatic delimiter and type detection.

Encoding, Hashing & Cryptography 32 tools

Client-side Web Crypto and encoding utilities: Base64, URL encoding, HTML entities, SHA-256 hashes, and random password generator.

PDF & Document Tools 38 tools

Fast, private browser-based PDF utilities: merge, split, convert, rotate, and extract pages with zero server upload.

Color & Design Tools 49 tools

Palette generators, visual color picker, CSS gradient builders, and WCAG 2.1 accessibility contrast checker.

Image Tools 31 tools

HTML5 Canvas client-side image processing: resize, crop, compress, convert formats, and inspect/strip EXIF metadata.

Date & Time Tools 30 tools

Convert Unix epoch timestamps to human-readable ISO 8601 dates and timezones.

Math & Number Tools 78 tools

Everyday mathematical calculators and percentage helpers.

QR & Barcode Tools 34 tools

Generate custom QR codes instantly with customizable error correction and PNG/SVG download.

File & Data Tools 30 tools

Browser utilities for processing files, analyzing checksums, inspecting binary data, and converting archives.

Web & Frontend Tools 30 tools

Modern frontend development utilities for CSS layouts, HTML scaffolding, SVG manipulation, and UI components.

Finance & Business Tools 30 tools

Calculators and financial planners for investments, loan amortization, business runway, pricing, and accounting.

Unit Conversion Tools 33 tools

High-precision unit conversion tools for engineering, science, typography, computing, and everyday measurements.

Generators & Randomizers 30 tools

Procedural generators for test data, secure passwords, dummy text, mock avatars, and random numbers.

SEO & Webmaster Tools 30 tools

Webmaster utilities for robots.txt generation, XML sitemaps, Open Graph tags, canonical headers, and SERP previews.

Network & Internet Tools 30 tools

Network diagnostic calculators for IPv4/IPv6 CIDR prefixes, DNS records, cURL commands, and subnet masks.

Productivity Tools 30 tools

Everyday workflow accelerators including Pomodoro timers, meeting cost calculators, checklist builders, and habits.

Statistics & Data Analysis Tools 35 tools

Statistical calculations for standard deviation, normal distribution, z-scores, hypothesis testing, and regression.

Audio & Media Tools 30 tools

In-browser Web Audio API tools for sound generation, frequency analysis, audio editing, and metadata inspection.