All tools,in one place.
Calculators, validators, converters, generators and lookups, organized by area, plan, and real usage. Press / or ⌘K to search.
Financial
Interest, installments, income tax, payroll, FX and labor.
Compare the two amortization systems. Full amortization table plus total interest.
Calculate your 3-12 month target and the time to reach it.
How much to save per month to reach a goal in a given time, or how long it takes with a fixed contribution.
Accumulated wealth, income using the 4% rule and contribution needed for financial independence.
Simulate compound returns from staking, yield farming or fixed-APY investments.
Track the total value of your cryptocurrency portfolio in USD, EUR or BRL.
Simulate monthly buys in BTC, ETH, SOL and more. See how much you would have today.
Real-time transaction costs on Ethereum, Polygon, Arbitrum, Base and Optimism.
Compare the historical return of BTC/ETH versus bonds, CDs and savings accounts.
Real-time TVL for DEXs and lending protocols (Uniswap, Aave, Curve, etc).
Developers
Public API, AI text detection, and technical utilities.
Analyze text and find out whether it was likely written by a human or generated by AI, with reasoning.
Image
Optimize, create, edit, convert, and protect images — all in the browser.
Increase image resolution up to 4x with interpolation and enhancement algorithms.
Remove photo backgrounds automatically. Produces a ready-to-use transparent PNG.
Automatically detect faces and blur them to protect privacy in photos.
PDF & Docs
Organize, optimize, convert, edit, protect, and compare PDFs — 100% local.
Recovers corrupted or truncated PDFs. Structural restoration via qpdf.
Make scanned PDFs searchable. OCR via Tesseract.js in the browser.
Convert PPT/PPTX into PDF, one page per slide. Preserves transitions as images.
Convert XLSX/XLS spreadsheets into PDF preserving layout, colors and computed formulas.
Generate a PDF from a URL or HTML code. Preserves CSS, images and fonts.
Convert PDF into editable DOCX. Server-side processing with automatic deletion.
Convert PDF into an editable PPTX presentation. Each page becomes a slide.
Extract tables from PDF into an XLSX spreadsheet. Automatic header detection.
Convert a standard PDF to PDF/A-1b, the ISO archival format. Required for courts and tax filings.
Extract text locally and generate a structured summary with AI. The PDF never leaves your browser.
Translate PDF text into 12 languages. Extraction is local; only the text is sent to the AI.
Compare 2 PDFs side by side with textual differences highlighted page by page.