Most tools run in your browser with zero uploads. AI features use secure cloud processing — clearly marked on every tool.
Generate .gitignore files by selecting languages, frameworks, and tools from a checklist.
Calculate recommended daily protein, carbs, and fat grams based on calorie intake. Follows standard 30/40/30 macro split. Everything runs locally in your browser — nothing is uploaded.
Calculate A/B test significance between two variants. Compare conversion rates with visitor and conversion data for each variant. Everything runs locally in your browser — nothing is uploaded.
Securely masks the first 8 digits of your 12-digit Aadhaar number on card images, leaving only the last 4 digits visible for safe sharing. Fully local processing.
Validates Aadhaar numbers using Verhoeff checksum verification. Checks format rules, detects fake UIDs, and explains Aadhaar number structure. Fully local validation with no data upload.
Crops Aadhaar card images to the standard 3.5 x 3.5 cm wallet-photo size with automatic face detection using OpenCV Haar cascades. All processing is local and private.
Insert images (PNG, JPG) onto any page of your PDF document. Position and resize images anywhere on the page. Perfect for adding signatures, logos, or photos to documents.
Inserts page number labels at user-chosen positions (bottom-center, top-right, etc.) with configurable font, size, and starting offset. Everything runs locally in your browser — nothing is uploaded.
Add custom text labels, annotations, and captions directly onto PDF pages. Choose font size, color, and position. Perfect for signing, marking up, or adding notes to documents.
Overlays custom text captions onto images with control over font, size, color, alignment, opacity, and rotation angle. Everything runs locally in your browser — nothing is uploaded.
Overlay one PDF on another, alternate-merge two documents, combine pages into sheets, apply booklet layout, invert colors, or extract pages as ZIP images.
Encrypt text using AES symmetric encryption with a passphrase. Generate ciphertext that can be safely transmitted or stored. Everything runs locally in your browser — nothing is uploaded.
Computes exact age in years, months, and days from a given birth date relative to any target date. Everything runs locally in your browser — nothing is uploaded.
Removes and replaces image backgrounds using edge-aware detection algorithms that separate foreground subjects without a green screen. Everything runs locally in your browser — nothing is uploaded.
Chat with your PDF documents. Ask questions, get answers, and extract insights from any document. Extract text and use intelligent search to find relevant information instantly.
Analyzes a job description and your résumé to produce a tailored cover letter that highlights relevant experience and matches the employer's. Uses cloud-based processing.
Detect if text was written by AI. Analyzes burstiness, repetition patterns, sentence variance, and AI trigger phrases. Get a percentage score with detailed breakdown per section.
Indexes uploaded PDFs, Word files, and plain-text documents into a vector store and lets you ask natural-language questions about their contents.
Seamlessly replaces one face with another in photos using AI, matching skin tone, lighting, and head angle for natural results.
Make AI-generated text sound more natural and human-like. Choose from casual, professional, friendly, natural, or storytelling tones. Reduces robotic patterns and improves readability.
Transforms text prompts into high-resolution images using advanced diffusion models. Designers and marketers use it for rapid visual prototyping.
Increases image resolution by up to 4x while reconstructing fine details that standard interpolation loses.
Rewrite sentences and paragraphs while preserving meaning. Perfect for students, writers, and content creators.
Designs click-optimized YouTube thumbnails by compositing text, images, and effects on a smart canvas. Uses cloud-based processing.
Detects source language automatically and translates text between 100+ languages using advanced neural machine translation.
Solve algebraic expressions, evaluate formulas, and simplify expressions. Perfect for homework and quick calculations. Everything runs locally in your browser — nothing is uploaded.
Calculate Annual Contract Value (ACV) by dividing total contract value by the contract term in years.
Full-featured API client that runs in your browser — make HTTP requests, edit headers/body/params, save collections, generate code snippets (cURL/Fetch/Axios). Your API keys never touch a server — everything runs locally.
Generate structured changelogs from API version diffs. Categorize changes as Added, Changed, Deprecated, Removed, Fixed, or Security.
Estimate API costs based on monthly requests, price per million calls, and number of users. Plan your API budget with confidence.