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Herramientas de PDF, imagen, vídeo, audio, texto, desarrollo, SEO y finanzas. Rápidas, privadas y gratis para empezar, sin instalar nada.
Herramientas populares
Las 372 herramientasWhois Lookup
Registrar, dates and name servers of a domain.
Mobile Friendly Checker
Check viewport, font sizes and mobile basics.
Background Remover
Remove the background from photos automatically.
Page Speed Checker
Measure load time, page weight and resources.
Word to PDF
Convert DOC, DOCX, ODT or RTF to PDF.
PDF OCR
Make scanned PDFs searchable and selectable.
Passport Photo Maker
Crop to official passport sizes and print sheets.
IP Checker
See your public IP address and connection details.
Images to GIF
Make an animated GIF from photos.
Resize Image to KB
Make a photo exactly under 20 KB, 50 KB, 100 KB or any size.
Image Compress
Shrink JPG, PNG and WEBP file size.
Backlink Checker
Verify whether pages link to your site (and follow/nofollow).
Explora por categoría
Ver todas las herramientasHerramientas PDF
Une, divide, comprime, convierte y protege archivos PDF.
42 herramientasHerramientas de imagen
Comprime, redimensiona, convierte y edita imágenes.
45 herramientasHerramientas de vídeo
Comprime, recorta, convierte y edita vídeos.
26 herramientasHerramientas de audio
Corta, convierte, amplifica y limpia audio.
19 herramientasHerramientas de texto
Cuenta, limpia, ordena y transforma texto.
25 herramientasHerramientas para desarrolladores
Formatea, valida, codifica y depura.
46 herramientasHerramientas SEO
Meta etiquetas, schema, enlaces y revisiones del sitio.
28 herramientasHerramientas para estudiantes
Notas, asistencia, currículums y ayudas de estudio.
34 herramientasHerramientas financieras
Calculadoras de GST, EMI, SIP, impuestos e intereses.
34 herramientasHerramientas para redes sociales
Textos, hashtags, biografías y fuentes decorativas.
20 herramientasHerramientas de email
Valida direcciones y revisa el DNS del correo.
11 herramientasHerramientas de seguridad
Contraseñas, hashes y cifrado.
26 herramientasUtilidades
Calculadoras, temporizadores y conversores del día a día.
39 herramientasHerramientas web
Capturas, estado, enlaces y pruebas de red.
23 herramientasHerramientas de diseño
Colores, degradados, sombras y efectos CSS.
21 herramientasConversores
Convierte archivos, unidades, números y monedas.
39 herramientasHerramientas de IA
Escribe, traduce, resume y genera con IA.
39 herramientasPor qué la gente nos usa a diario
Privacidad ante todo
Los archivos se eliminan automáticamente y nunca se comparten.
Rápido y gratis para empezar
La mayoría de las herramientas funcionan al instante en tu navegador.
Sin instalación
Funciona en cualquier móvil, tablet u ordenador.
Una cuenta, todas las herramientas
Tu historial en un solo lugar con todas nuestras herramientas.
Herramientas PDF
Todas (42)PDF Merge
Combine several PDFs into one file in the order you choose.
PDF Split
Split a PDF by page ranges, every page or every N pages.
PDF Compress
Reduce PDF file size while keeping it readable.
PDF to Word
Convert PDF into an editable DOCX document.
Word to PDF
Convert DOC, DOCX, ODT or RTF to PDF.
PDF to Excel
Extract tables from a PDF into an Excel spreadsheet.
Excel to PDF
Convert XLS, XLSX, ODS or CSV spreadsheets to PDF.
PDF to PPT
Turn each PDF page into a PowerPoint slide.
Herramientas de imagen
Todas (45)Image Compress
Shrink JPG, PNG and WEBP file size.
Image Resize
Resize images by pixels or percentage.
Image Crop
Crop by aspect ratio or exact pixel box.
Image Rotate
Rotate images by any angle.
Flip Image
Mirror images horizontally or vertically.
Background Remover
Remove the background from photos automatically.
AI Background Remove
AI model cuts out people, products and objects.
Image Upscaler
Enlarge images 2x or 4x with Lanczos resampling and sharpening.
Herramientas de vídeo
Todas (26)Video Compress
Reduce video file size with H.264.
Video Converter
Convert videos to MP4, WEBM, MKV, MOV or AVI.
Video Crop
Crop video to an aspect ratio or pixel box.
Video Trim
Cut a part of a video between two times.
Video Merge
Join several videos into one.
Video Rotate
Rotate or flip a video.
Video Speed Changer
Speed up or slow down video and audio.
Video to GIF
Turn a video clip into an animated GIF.
Herramientas de audio
Todas (19)MP3 Cutter
Cut a part of an MP3 or any audio file.
Audio Compressor
Lower audio bitrate to save space.
Audio Converter
Convert MP3, WAV, M4A, OGG, FLAC, AAC, OPUS.
Volume Booster
Make quiet audio louder or normalize loudness.
Noise Remover
Reduce background hiss and hum.
Voice Recorder
Record your voice and download it.
Voice Changer
Change voice pitch and add effects.
Audio Merger
Join several audio files into one.
Herramientas de texto
Todas (25)Character Counter
Count characters with and without spaces.
Word Counter
Count words, characters, sentences and paragraphs.
Line Counter
Count total, empty and non-empty lines.
Sentence Counter
Count sentences and average sentence length.
Reading Time Calculator
Estimate reading and speaking time.
Case Converter
UPPER, lower, Title, Sentence, camelCase and more.
Remove Extra Spaces
Clean double spaces, tabs and blank lines.
Remove Duplicate Lines
Keep only unique lines.
Herramientas para desarrolladores
Todas (46)JSON Formatter
Beautify or minify JSON.
JSON Validator
Validate JSON and locate errors.
XML Formatter
Beautify XML documents.
XML Validator
Check XML for well-formedness errors.
YAML Formatter
Format YAML and convert YAML ↔ JSON.
HTML Formatter
Beautify HTML markup.
CSS Formatter
Beautify CSS stylesheets.
JS Formatter
Beautify JavaScript code.
Herramientas SEO
Todas (28)Meta Tag Generator
Generate title, description and robots meta tags.
Robots.txt Generator
Create a robots.txt file.
Canonical Tag Generator
Create canonical link tags.
Open Graph Generator
Facebook/LinkedIn share preview tags.
Twitter Card Generator
Twitter/X card meta tags with preview.
Schema Generator
JSON-LD for Article, Product, Organization, Person, Event.
FAQ Schema
JSON-LD FAQPage markup.
Breadcrumb Schema
JSON-LD BreadcrumbList markup.
Herramientas para estudiantes
Todas (34)Percentage Calculator
X% of Y, percent change and more.
GPA Calculator
Weighted GPA on a 4.0 or 10 point scale.
CGPA Calculator
CGPA from semester SGPAs and convert to %.
SGPA Calculator
SGPA from subject credits and grade points.
Attendance Calculator
How many classes you can skip or must attend.
Marks Calculator
Total marks, percentage and grade.
Age Calculator
Exact age in years, months and days.
Resume Builder
Build a clean resume and save as PDF.
Herramientas financieras
Todas (34)GST Calculator
Add or remove GST with CGST/SGST split.
EMI Calculator
Monthly EMI, interest and amortization schedule.
Loan Calculator
Total cost of a loan and payoff schedule.
SIP Calculator
Future value of monthly SIP investments.
FD Calculator
Fixed deposit maturity with compounding.
RD Calculator
Recurring deposit maturity (quarterly compounding).
Income Tax Calculator
India income tax: new vs old regime (FY 2025-26).
Profit Calculator
Profit, profit % and markup.
Herramientas para redes sociales
Todas (20)Font Generator
Fancy Unicode fonts for bios and posts.
Emoji Tool
Search and copy emojis.
Text Decorator
Add borders, symbols and styles to text.
Username Generator
Unique username ideas from your name or keywords.
Caption Generator AI
Captions for any post or photo.
Hashtag Generator AI
Relevant hashtags grouped by reach.
Bio Generator AI
Short bios for social profiles.
YouTube Title Generator AI
Click-worthy, honest YouTube titles.
Herramientas de email
Todas (11)Email Template Generator AI
Reusable email templates for any purpose.
Email Validator
Check syntax, domain and mail server of an address.
Temporary Email
Disposable inbox to receive emails (via mail.tm).
Email Signature Generator
Professional HTML email signatures.
Email Header Analyzer
Trace hops, delays and SPF/DKIM/DMARC results.
SPF Checker
Look up and validate a domain’s SPF record.
DKIM Checker
Look up a DKIM public key by selector.
DMARC Checker
Look up and explain a DMARC policy.
Herramientas de seguridad
Todas (26)Password Generator
Strong random passwords and passphrases.
Password Strength Checker
Entropy, crack time and weaknesses (checked in your browser).
Hash Generator
MD5, SHA-1, SHA-256, SHA-512 of text or files.
Hash Checker
Verify a file or text against an expected hash.
AES Encrypt
AES-256-GCM encryption with a password, in your browser.
AES Decrypt
Decrypt text made with AES Encrypt.
RSA Encrypt
Generate RSA keys and encrypt with a public key.
RSA Decrypt
Decrypt RSA-OAEP data with a private key.
Utilidades
Todas (39)Calculator
Simple calculator with history.
Scientific Calculator
Trig, logs, powers and constants.
BMI Calculator
Body mass index with category.
BMR Calculator
Basal metabolic rate and daily calories.
Unit Converter
Length, weight, temperature, area, volume, speed, data and more.
Time Zone Converter
Convert time between world time zones.
Date Calculator
Days between dates; add or subtract days.
Countdown Timer
Countdown with alarm sound.
Herramientas web
Todas (23)Meta Checker
Read title, meta, headings and social tags of a page.
Website Screenshot
Capture a full-page screenshot of a website.
Website Status Checker
Is a website up or down right now?
HTTP Status Checker
HTTP status codes for a list of URLs.
URL Shortener
Short links on your own domain with click counts.
Link Extractor
List all links on a web page.
DNS Checker
Compare DNS answers from Google, Cloudflare and Quad9.
Ping Tool
Ping a host from our server.
Herramientas de diseño
Todas (21)Color Palette Generator
Harmonious palettes from a base color.
Gradient Generator
Linear and radial gradients with export.
CSS Gradient Generator
Copy-ready CSS gradient code.
Box Shadow Generator
Visual CSS box-shadow builder.
Border Radius Generator
Visual CSS border-radius builder.
Glassmorphism Generator
Frosted-glass CSS.
Neumorphism Generator
Soft UI CSS shadows.
SVG Generator
Blobs, waves and patterns as SVG.
Conversores
Todas (39)Image Converter
Convert between JPG, PNG, WEBP, AVIF, TIFF and GIF.
Document Converter
Convert DOCX, ODT, RTF, TXT, HTML, XLSX, PPTX between formats.
Number Base Converter
Convert between bases 2 to 36.
Binary Converter
Binary ↔ decimal ↔ text.
Hex Converter
Hex ↔ decimal ↔ text.
Roman Number Converter
Roman numerals ↔ numbers.
Herramientas de IA
Todas (39)AI Chat AI
Chat with an AI assistant.
AI Writer AI
Write any content from a short brief.
AI Rewriter AI
Rewrite text in a new style without changing meaning.
AI Translator AI
Natural translations between 100+ languages.
AI Summarizer AI
Summarize long text into key points.
AI Grammar Checker AI
AI proofreading with explanations.
AI Code Generator AI
Generate code from a description.
AI SQL Generator AI
Turn plain English into SQL.
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