Todas las herramientas
52 herramientas de IA gratis, sin registro.
Herramientas de IA
16AI Content Detector
Check if text was written by AI with a sentence-by-sentence heatmap.
YouTube Video Summarizer
Turn any YouTube video into clear notes with chapters, quotes, chat, and flashcards.
PDF Summarizer
PDF summarizer with page citations, multi-doc compare, and domain templates.
AI Text Rewriter
Paraphrase in 10 modes with diff view, freeze words, and brand voice training.
AI Math Solver
Free math solver with step-by-step solutions, photo upload, and 4 learning modes.
AI Grammar Checker
Grammar checker with multi-tone preview, style guides, and 30+ languages.
Email Subject Line Generator
10+ ranked subject lines with open-rate scoring and paired preheaders.
Blog Title Generator
15+ scored titles across 10 formats with paired meta descriptions and SERP previews.
LinkedIn Post Formatter
Format or generate LinkedIn posts with live preview, hook generator, and carousel splitting.
Resume Bullet Point Generator
STAR-method bullets with 200+ action verbs, JD tailoring, and ATS-safe output.
Webpage Summarizer
Summarize any URL in 10 seconds with permalinks, OCR, and 30+ languages.
Word Counter
Real-time counter with reading time, keyword density, and platform presets.
AI Translator
Translate 5,000 chars across 30+ languages with dialect-aware AI and tone control.
Instagram Caption Generator
5 captions across 10 vibes with tiered hashtag stacks and post-type awareness.
AI Code Explainer
Explain code line-by-line with persona modes, hallucination flagging, and security scanning.
AI Transcription
Whisper-powered audio/video to text. 5 export formats, 100+ languages.
Herramientas para desarrolladores
8JSON Formatter & Validator
Format, validate, tree-view, schema-gen, type-gen, diff. 100% browser-side.
Base64 Encoder/Decoder
3 variants side by side, image preview, hex dump fallback.
Regex Tester
Live regex tester with multi-flavor compare and click-to-insert cheatsheet.
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor.
JWT Decoder
Decode + sign + verify HS256/384/512 in browser.
SQL Formatter
5 dialects, auto-detect, 3 keyword-case modes, browser-only.
QR Code Generator
20+ QR types with styling, logo, scanner, batch CSV, and scannability score.
Color Palette Generator
7 harmonies, WCAG audit, image extract, 6 export formats.
Herramientas SEO
6Meta Tag Generator
8-platform preview, pixel-accurate truncation, URL auto-fill, 4 output formats.
Schema Markup Generator
15 schema types, three formats (JSON-LD / Microdata / RDFa), built-in Rich Results validator.
SERP Preview Tool
Pixel-accurate desktop + mobile preview with length analysis.
Keyword Density Checker
1/2/3-grams + stop-word filter + page compare.
Robots.txt Generator
15 bots, AI crawler blocking, built-in path tester.
XML Sitemap Generator
Image + hreflang + sitemap-index, per-URL control, browser-only.
Herramientas de imagen
7Object Remover
Brush over any unwanted object and remove it cleanly with AI. Free daily credits.
Image Compressor
Multi-encoder side-by-side, visual diff slider, batch zip, no 20/mo cap.
Image to Base64 Converter
6 snippet formats, batch upload, size warnings, browser-only.
Favicon Generator
10 PNG sizes + ICO + manifest + HTML snippet, all in one ZIP.
SVG to PNG Converter
Custom DPI, 7 resolution presets, batch + ZIP, PNG/JPG/WebP.
Image Resizer
37 presets, 4 modes, batch ZIP export, browser-only.
Screenshot Beautifier
8 gradients, 3 frames, full controls, browser-only.
Herramientas financieras
7Invoice Generator
13 currencies, logo, accent color, native PDF export.
Salary Calculator
9 countries, 5 frequencies, COL compare, browser-only.
Mortgage Calculator
Real PITI, 3-scenario compare, extra-payment what-if, year-by-year chart.
ROI Calculator
ROI + IRR + payback + sensitivity. 6 investment types.
Compound Interest Calculator
3 scenarios side by side, inflation-adjusted, milestone chart.
Profit Margin Calculator
5 modes, break-even, bulk CSV, 10 industry benchmarks.
Tax Bracket Calculator
8 jurisdictions, marginal + effective, bracket breakdown.
Herramientas cripto
5Crypto Tax Calculator
CSV import, FIFO/LIFO/HIFO compare, Form 8949, US/UK/CA/AU. No SaaS fee.
Wallet Address Validator
15 chains, auto-detect, subtype identification, burn warnings.
NFT Metadata Generator
ERC-721 + ERC-1155, traits builder, CSV bulk, IPFS-ready.
DeFi Yield Calculator
APR/APY + IL simulator + HODL vs LP compare, browser-only.
Token Contract Generator
ERC-20/721/1155 + OZ v5 + 9 extensions + gas estimates.