# ProIT — All-in-One Fast & Private Online Tools Platform > ProIT provides 141+ free, privacy-first online utilities across 16 categories including PDF processing, image optimization, developer formatters, cryptography, financial calculators, SEO tools, and AI productivity workflows. ## Core Platform Links - [Homepage](https://proit.tools/): Universal tool search and category suite directory - [All Tools Directory](https://proit.tools/tools): Complete catalog of 141+ online tools - [Categories Hub](https://proit.tools/categories): 16 specialized functional domains - [HTML Sitemap](https://proit.tools/sitemap): Full index of every tool and category - [XML Sitemap](https://proit.tools/sitemap.xml): Machine-readable sitemap - [Pricing & Plans](https://proit.tools/pricing): Free, Pro, Business, and Enterprise tiers ## PDF & Document Tools (https://proit.tools/category/pdf-document-tools) Merge, split, compress, watermark, unlock, convert, and edit PDF documents with client-first privacy. - [Merge PDF Files](https://proit.tools/tool/pdf-merge): Combine multiple PDF documents into a single organized file in seconds. - [Split PDF Pages](https://proit.tools/tool/pdf-split): Separate PDF pages into individual documents or custom page ranges. - [Rotate PDF Pages](https://proit.tools/tool/pdf-rotate): Rotate PDF pages by 90, 180, or 270 degrees clockwise or counterclockwise. - [Add PDF Watermark](https://proit.tools/tool/pdf-watermark): Stamp text or branding watermarks across PDF pages with opacity controls. - [PDF to Text Extractor](https://proit.tools/tool/pdf-to-text): Extract raw text, paragraphs, and structure from PDF documents. - [Compress PDF](https://proit.tools/tool/pdf-compress): Reduce PDF file size while preserving readability and image quality. - [Add PDF Page Numbers](https://proit.tools/tool/pdf-page-numbers): Add custom page numbers to PDF documents with placement and styling options. - [Images to PDF Converter](https://proit.tools/tool/images-to-pdf): Convert JPG, PNG, and WebP images into a single professional PDF document. - [Remove PDF Pages](https://proit.tools/tool/pdf-remove-pages): Delete unwanted pages from PDF files with custom selection. - [Extract PDF Pages](https://proit.tools/tool/pdf-extract-pages): Extract specific pages from a PDF into a new standalone document. - [PDF to Markdown Converter](https://proit.tools/tool/pdf-to-markdown): Turn PDF documents into clean, structured Markdown for LLMs and notes. - [PDF Forms Filler & Inspector](https://proit.tools/tool/pdf-forms): Detect, inspect, and fill interactive PDF AcroForms automatically. - [Sign PDF Document](https://proit.tools/tool/pdf-sign): Stamp signatures, drawing, or initials securely onto PDF documents. - [Crop PDF Margins](https://proit.tools/tool/pdf-crop): Trim PDF margins and adjust page dimensions with precision. - [AI PDF Document Summarizer](https://proit.tools/tool/pdf-summarize): Extract and summarize PDF documents with key takeaways and bullet points. - [Rearrange PDF Pages](https://proit.tools/tool/pdf-rearrange): Reorder and sort pages inside PDF documents with drag-and-drop ease or custom sequences. - [Flatten PDF Forms & Layers](https://proit.tools/tool/pdf-flatten): Lock interactive form fields and annotations permanently to prevent further edits. - [Remove PDF Metadata](https://proit.tools/tool/pdf-remove-metadata): Strip hidden author info, document titles, timestamps, and revision metadata for complete privacy. - [Change PDF Page Size](https://proit.tools/tool/pdf-change-page-size): Resize and standardize document dimensions to A4, A3, A5, Letter, or Legal. - [PDF Overlay & Letterhead](https://proit.tools/tool/pdf-overlay): Superimpose documents onto digital letterheads, stationery backgrounds, or design templates. - [Pages Per Sheet (N-Up)](https://proit.tools/tool/pdf-pages-per-sheet): Fit 2 or 4 pages per sheet for compact printing, handouts, and booklet overviews. - [Set PDF Viewer Preferences](https://proit.tools/tool/pdf-viewer-preferences): Configure initial display settings, hide reader toolbars, and enable auto-fit view mode. - [Create PDF Document](https://proit.tools/tool/pdf-create): Generate clean, publication-ready PDF documents from text, reports, or letters directly in browser. - [Convert PDF to HTML](https://proit.tools/tool/pdf-to-html): Convert PDF files into responsive, clean HTML web pages with preserved paragraphs and structure. - [Alternate & Mix PDF](https://proit.tools/tool/alternate-mix-pdf): Mix and alternate pages from two or more PDF documents with duplex scan reversing. - [Bates Numbering PDF](https://proit.tools/tool/bates-numbering-pdf): Index and stamp sequential legal, medical, and corporate Bates numbers onto PDF pages. - [Grayscale PDF Converter](https://proit.tools/tool/grayscale-pdf): Convert full-color PDF documents and text into black-and-white monochrome grayscale. - [Split PDF in Half](https://proit.tools/tool/split-pdf-down-the-middle): Split two-page layout scans, double A4 spreads, and book scans down the middle. - [Remove PDF Annotations](https://proit.tools/tool/delete-pdf-annotations): Batch remove highlights, comments, strikeouts, underlines, and markup annotations. - [Create PDF Bookmarks](https://proit.tools/tool/pdf-bookmarks): Generate outline bookmarks and structured Table of Contents for seamless navigation. - [OCR PDF Scanner & Text Extractor](https://proit.tools/tool/pdf-ocr): Extract selectable text and searchable data from scanned PDFs and raster images. - [Unlock PDF (Remove Password)](https://proit.tools/tool/pdf-unlock): Remove password protection, printing locks, and copying restrictions from PDF files. - [Protect & Encrypt PDF](https://proit.tools/tool/pdf-protect): Secure your PDF files with strong password protection and permission controls. - [AI Chat with PDF (Ask Your PDF)](https://proit.tools/tool/pdf-chat-qa): Ask questions directly to your PDF documents and get instant grounded answers. ## Image Tools (https://proit.tools/category/image-tools) Convert, compress, resize, crop, filter, replace colors, and optimize images in WebP, PNG, JPG, and SVG. - [Image Format Converter](https://proit.tools/tool/image-converter): Convert images seamlessly between PNG, JPG, WebP, SVG, and BMP. - [Image Resizer & Dimensions](https://proit.tools/tool/image-resizer): Resize images by pixels, percentage, or social media presets with aspect ratio locking. - [Image Compressor Optimizer](https://proit.tools/tool/image-compressor): Reduce PNG, JPG, and WebP file sizes with live before/after quality comparison. - [Image Color Palette Extractor](https://proit.tools/tool/image-color-extractor): Extract dominant colors and HEX/RGB palettes from any image automatically. - [Image Filters & Adjustments](https://proit.tools/tool/image-filters): Adjust brightness, contrast, grayscale, blur, invert, and sepia with live canvas preview. - [AI Image Background Remover](https://proit.tools/tool/image-background-remover): Remove image backgrounds automatically and export clean transparent PNGs. - [Interactive Image Cropper](https://proit.tools/tool/image-cropper): Crop photos to exact pixel dimensions or aspect ratios (1:1, 16:9, 4:3). - [Image Rotate & Flip](https://proit.tools/tool/image-rotate-flip): Rotate images 90°, 180°, 270° or mirror horizontally and vertically. - [Favicon & App Icon Generator](https://proit.tools/tool/favicon-generator): Generate 16x16, 32x32, 48x48 ICO and 180x180 Apple Touch Icons from any image. - [HEIC & AVIF to JPG/PNG Converter](https://proit.tools/tool/image-heic-converter): Convert Apple HEIC/HEIF and AVIF photos into standard JPG or PNG format. - [Image to Base64 Encoder](https://proit.tools/tool/image-to-base64): Convert images into Base64 Data URIs, HTML tags, and CSS background snippets. - [Watermark Images](https://proit.tools/tool/image-watermark): Stamp custom copyright text and branding watermarks onto photos. - [Meme Generator Studio](https://proit.tools/tool/meme-generator): Create custom captioned memes with bold top and bottom Impact typography. - [Photo EXIF Metadata Reader & Stripper](https://proit.tools/tool/exif-metadata-viewer): Inspect camera EXIF data, color profiles, DPI, and strip hidden metadata. - [Photo to Sketch & Art Filter](https://proit.tools/tool/image-sketch-art): Transform photos into pencil sketches, high-contrast line art, and edge drawings. ## Video & Audio Tools (https://proit.tools/category/video-audio-tools) Extract audio, trim tracks, analyze audio metadata, generate waveforms, and perform media conversions. - [Audio Waveform & Analyzer](https://proit.tools/tool/audio-waveform): Visualize audio peaks, sample rates, channels, and waveform patterns. - [Audio & Media Metadata Inspector](https://proit.tools/tool/audio-metadata): Inspect media container tags, bitrate, duration, codec, and sample rates. - [Audio Cutter & Trimmer](https://proit.tools/tool/audio-trimmer): Trim MP3 and WAV audio tracks to exact start and end timestamps. - [Audio Format Converter](https://proit.tools/tool/audio-converter): Convert audio files between WAV, MP3, OGG, and PCM formats with bitrate control. - [Video Compressor & Optimizer](https://proit.tools/tool/video-compressor): Shrink MP4 and WebM video file sizes for web sharing, Discord, and email. - [Video to Animated GIF / WebP](https://proit.tools/tool/video-to-gif): Convert short video clips into looping animated GIFs and WebP animations. - [Video Frame & Thumbnail Extractor](https://proit.tools/tool/video-thumbnail-extractor): Capture high-resolution PNG/JPG still frames from any timestamp in a video. - [Audio Volume Booster & Normalizer](https://proit.tools/tool/audio-volume-booster): Amplify quiet audio recordings and normalize peak decibel levels. - [Audio Background Noise Reducer](https://proit.tools/tool/audio-noise-remover): Filter out low-frequency hum, fan noise, and high-frequency hiss from voice tracks. ## Text Tools (https://proit.tools/category/text-tools) Word counters, text diff comparison, case converters, line cleaners, sorting, and markdown utilities. - [Word & Character Counter](https://proit.tools/tool/word-counter): Real-time word, character, sentence, paragraph, and reading time analyzer. - [Case Converter](https://proit.tools/tool/case-converter): Convert text instantly to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case. - [Text Diff & Comparison](https://proit.tools/tool/text-diff): Compare two text snippets side-by-side with line and character-level difference highlighting. - [Lorem Ipsum Generator](https://proit.tools/tool/lorem-generator): Generate placeholder dummy text by paragraphs, sentences, or words. - [Markdown Editor & Live Preview](https://proit.tools/tool/markdown-preview): Write Markdown with real-time rendered HTML preview, word count, and HTML export. - [Remove Duplicate Lines & Sort](https://proit.tools/tool/remove-duplicate-lines): Deduplicate lists, remove empty lines, trim whitespace, and sort alphabetically. - [Find & Replace Text Utility](https://proit.tools/tool/find-and-replace): Bulk search and replace words, patterns, or regular expressions across text. - [Text to Speech (TTS) Reader](https://proit.tools/tool/text-to-speech): Listen to articles, notes, and documents read aloud with natural voices. - [Speech to Text Voice Dictation](https://proit.tools/tool/speech-to-text): Transcribe live microphone speech into editable text notes in real time. - [Fancy Unicode Text Generator](https://proit.tools/tool/fancy-text-generator): Transform plain text into 15+ stylish Unicode fonts for social media bios and posts. - [Readability Score Checker (Flesch-Kincaid)](https://proit.tools/tool/readability-checker): Analyze Flesch Reading Ease, Grade Level, Gunning Fog, and SMOG readability metrics. - [AES-256 Text Encryption & Decryption](https://proit.tools/tool/text-encryption-aes): Encrypt and decrypt confidential messages with military-grade AES-256-GCM. - [URL Slug Generator](https://proit.tools/tool/slug-generator): Convert article titles and strings into clean, SEO-friendly URL slugs. - [Palindrome & Anagram Analyzer](https://proit.tools/tool/palindrome-anagram-checker): Check if words or phrases are palindromes or anagrams with character histograms. ## String & Encoding Tools (https://proit.tools/category/string-encoding-tools) Base64 encoder/decoder, URL encoding, HTML entities, JWT inspection, Hex/ASCII/Binary converters, and ciphers. - [Base64 Encoder & Decoder](https://proit.tools/tool/base64-encode-decode): Encode and decode plain text or raw data to and from Base64 representation. - [URL Encoder & Decoder](https://proit.tools/tool/url-encode-decode): Safely encode URL components or decode percent-encoded URLs. - [JWT Token Inspector](https://proit.tools/tool/jwt-decoder): Decode JSON Web Tokens, inspect header, payload claims, and expiration timestamps. - [Binary, Hex & ASCII Converter](https://proit.tools/tool/hex-ascii-binary): Convert strings between Binary (01), Hexadecimal, Decimal, and ASCII text. - [HTML Entity Encoder & Decoder](https://proit.tools/tool/html-entity-encoder): Convert HTML special characters to named and numeric entities and back. ## Developer Tools (https://proit.tools/category/developer-tools) JSON formatters & validators, SQL query beautifiers, Regex testers, CSS generators, and UUID utilities. - [JSON Formatter & Validator](https://proit.tools/tool/json-formatter-validator): Format, validate, beautify, and minify JSON data with line numbers and syntax error detection. - [SQL Query Formatter](https://proit.tools/tool/sql-formatter): Beautify and format SQL statements with standardized keyword casing and indentation. - [Regex Tester & Matcher](https://proit.tools/tool/regex-tester): Test regular expressions in real-time with match highlights, capture groups, and flag controls. - [CSS Gradient Generator](https://proit.tools/tool/css-gradient-generator): Design linear and radial CSS gradients with visual angle controls and copy-ready CSS code. - [UUID / GUID Generator](https://proit.tools/tool/uuid-generator): Generate cryptographically random UUID v4 identifiers in bulk with uppercase and hyphen options. - [Cron Expression Builder](https://proit.tools/tool/cron-expression-builder): Build and translate crontab schedule expressions into human-readable English schedules. - [XML Formatter & Validator](https://proit.tools/tool/xml-formatter-validator): Beautify, indent, minify, and validate XML documents and SOAP payloads. - [YAML ↔ JSON Converter](https://proit.tools/tool/yaml-json-converter): Convert Kubernetes/Docker YAML configs to JSON and transform JSON back to YAML. - [CSS Minifier & Beautifier](https://proit.tools/tool/css-minifier-beautifier): Compress CSS stylesheets for production or beautify minified CSS rules. - [JavaScript Minifier & Beautifier](https://proit.tools/tool/js-minifier-beautifier): Minify JavaScript code for faster page loads or format compressed scripts. - [HTML Formatter & Minifier](https://proit.tools/tool/html-formatter-minifier): Clean, indent, and beautify messy HTML markup or minify for production. - [Color Converter & WCAG Contrast Checker](https://proit.tools/tool/color-picker-contrast): Convert HEX, RGB, HSL, CMYK colors and test WCAG 2.1 AA/AAA contrast ratios. - [HTTP Status Code & Header Reference](https://proit.tools/tool/http-status-reference): Search all 1xx–5xx HTTP status codes and inspect REST API response semantics. - [TOML ↔ JSON Converter](https://proit.tools/tool/toml-json-converter): Convert Rust Cargo.toml and Python pyproject.toml files to JSON and back. - [File Diff & Code Comparison](https://proit.tools/tool/file-diff-checker): Upload or paste two code/config files to compare line-by-line additions and deletions. - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791837189310): Automated Test Tool online utility - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791837732580): Automated Test Tool online utility - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791837958935): Automated Test Tool online utility - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791838389791): Automated Test Tool online utility - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791838628835): Automated Test Tool online utility - [Automated Test Tool](https://proit.tools/tool/auto-test-tool-1791838835674): Automated Test Tool online utility ## Security & Cryptography (https://proit.tools/category/security-cryptography-tools) Cryptographically secure password generators, SHA-256/SHA-512 hashes, HMAC, password strength estimators. - [Strong Password Generator](https://proit.tools/tool/strong-password-generator): Create ultra-secure, cryptographically random passwords with custom symbols and entropy rating. - [SHA-256 / SHA-512 Hash Generator](https://proit.tools/tool/sha256-hash-calculator): Calculate cryptographic SHA-256, SHA-512, SHA-1, and MD5 hashes with HMAC support. - [Password Strength & Entropy Estimator](https://proit.tools/tool/password-strength-checker): Analyze password entropy, character diversity, and estimated brute-force crack time. ## Math & Scientific Calculators (https://proit.tools/category/math-scientific-calculators) Scientific computation, matrices, percentages, prime checks, standard deviation, and multi-unit conversions. - [Scientific & Math Calculator](https://proit.tools/tool/scientific-calculator): Perform scientific trigonometry, logarithms, powers, roots, and factorial calculations. - [Percentage & Ratio Calculator](https://proit.tools/tool/percentage-calculator): Calculate percentage increases, discounts, fractional shares, and difference percentages easily. - [Multi-Unit Converter](https://proit.tools/tool/unit-converter): Convert between metric and imperial units for length, weight, temperature, and digital data storage. - [Matrix Calculator (Determinant, Inverse, Multiply)](https://proit.tools/tool/matrix-calculator): Compute matrix addition, multiplication, transpose, determinant, and inverse for 2x2 and 3x3 matrices. - [Prime Factorization, GCD/LCM & Fibonacci](https://proit.tools/tool/prime-fibonacci-calculator): Check primality, compute prime factors, GCD, LCM, and generate Fibonacci sequences. ## Financial Calculators (https://proit.tools/category/financial-calculators) EMI loan calculators, compound interest, VAT/sales tax, profit margin, discount, and multi-currency conversions. - [Loan & Mortgage EMI Calculator](https://proit.tools/tool/loan-emi-calculator): Calculate monthly loan EMI repayments, total interest payable, and amortization schedules. - [Compound Interest & Savings Calculator](https://proit.tools/tool/compound-interest-calculator): Forecast investment growth with compound frequency and recurring monthly contributions. - [VAT & Sales Tax Calculator](https://proit.tools/tool/vat-sales-tax-calculator): Calculate price including VAT, net price, and tax amounts for any rate (including Saudi 15% VAT). - [Global Currency Converter](https://proit.tools/tool/currency-converter): Convert currencies across USD, SAR, EUR, GBP, INR, and AED with transparent reference rates. - [Retirement & 401(k) Nest Egg Calculator](https://proit.tools/tool/retirement-calculator): Project retirement portfolio growth, inflation-adjusted income, and 4% safe withdrawal rates. - [SIP & Mutual Fund Wealth Calculator](https://proit.tools/tool/sip-investment-calculator): Calculate Systematic Investment Plan maturity value, total invested capital, and wealth gained. - [ROI, Profit Margin & Break-Even Calculator](https://proit.tools/tool/roi-margin-calculator): Calculate Return on Investment, annualized ROI, gross profit margin, markup, and break-even units. - [Professional PDF Invoice Generator](https://proit.tools/tool/invoice-generator): Create and download branded PDF invoices with line items, tax rates, and currency symbols. ## Date, Time & Calendar (https://proit.tools/category/date-time-calendar-tools) Age calculators, date differences, working days computation, timezone converters, and Unix timestamps. - [Exact Age & Birthday Calculator](https://proit.tools/tool/age-calculator): Find your precise age in years, months, days, hours, and countdown to your next birthday. - [Date Difference & Working Days](https://proit.tools/tool/date-difference-calculator): Calculate calendar days, business working days, and weeks between any two dates. - [Unix Timestamp Converter](https://proit.tools/tool/unix-timestamp-converter): Convert epoch seconds and milliseconds to human-readable UTC and local date formats. ## SEO & Webmaster Tools (https://proit.tools/category/seo-webmaster-tools) Meta tag generator, keyword density checker, slug generator, robots.txt validator, and Open Graph previews. - [Meta Tag & Open Graph Generator](https://proit.tools/tool/meta-tag-generator): Generate standard SEO meta tags, Google preview, Twitter cards, and Open Graph code. - [Robots.txt Builder & Validator](https://proit.tools/tool/robots-txt-builder): Construct standard robots.txt crawl directives for Googlebot, Bing, and AI crawlers. - [Keyword Density & Phrase Analyzer](https://proit.tools/tool/keyword-density-checker): Calculate 1-word, 2-word, and 3-word keyword density percentages for SEO content. - [XML Sitemap Generator](https://proit.tools/tool/sitemap-generator): Generate Google-compliant XML sitemaps with priority, changefreq, and lastmod tags. - [Open Graph & Social Card Debugger](https://proit.tools/tool/open-graph-preview): Preview how your web page title, description, and image appear on X, Facebook, and LinkedIn. - [Word Frequency & Term Counter](https://proit.tools/tool/word-frequency-counter): Count and rank every unique word in an article or dataset with stopword filtering. - [Domain Age & Authority Inspector](https://proit.tools/tool/domain-age-checker): Check domain TLD structure, DNS registration status, and estimated domain maturity. - [Website Speed & HTML Weight Analyzer](https://proit.tools/tool/website-speed-analyzer): Analyze HTML payload size, script/stylesheet counts, DOM depth, and performance hints. - [Grammar, Style & Passive Voice Checker](https://proit.tools/tool/grammar-spell-checker): Detect passive voice, repeated words, weak adverbs, and common grammar mistakes. - [Text Similarity & Plagiarism Checker](https://proit.tools/tool/plagiarism-similarity-checker): Compare two articles or documents to measure exact phrase overlap and cosine similarity. - [HTML Link & Anchor Text Extractor](https://proit.tools/tool/backlink-anchor-analyzer): Extract all internal/external links, anchor texts, and nofollow attributes from HTML. - [AI Article Rewriter & Paraphraser](https://proit.tools/tool/ai-article-rewriter): Rewrite articles and paragraphs into fresh, plagiarism-free prose in multiple tones. ## Networking Tools (https://proit.tools/category/networking-tools) CIDR & subnet calculators, IPv4/IPv6 validators, IP range tools, and HTTP header inspectors. - [Subnet & CIDR Calculator](https://proit.tools/tool/subnet-cidr-calculator): Calculate IP subnet mask, network address, broadcast address, and usable host ranges. - [IP Address & Geolocation Inspector](https://proit.tools/tool/ip-geolocation-lookup): Analyze IPv4/IPv6 addresses, RFC classification, binary format, and network zone. - [DNS Record Lookup (A, AAAA, MX, TXT, NS)](https://proit.tools/tool/dns-lookup-tool): Query live domain DNS records including A, MX, TXT/SPF, CNAME, and Nameservers. - [WHOIS & RDAP Domain Lookup](https://proit.tools/tool/whois-domain-lookup): Inspect domain registration data, TLD registry info, nameservers, and status codes. ## QR Codes & Generators (https://proit.tools/category/qr-codes-generators) Customized QR code generator (URL, WiFi, vCard), barcode generators, and random string/team pickers. - [Custom QR Code Generator](https://proit.tools/tool/qr-code-generator): Generate high-res QR codes for URLs, WiFi networks, text, and email with custom colors. - [Barcode Generator (Code 128 / EAN)](https://proit.tools/tool/barcode-generator): Generate product and inventory barcodes with custom height, labels, and formats. ## Data & File Utilities (https://proit.tools/category/data-file-utilities) CSV to JSON, JSON to CSV, YAML converter, file checksum calculator, MIME type inspection, and column extractors. - [CSV to JSON & JSON to CSV Converter](https://proit.tools/tool/csv-to-json-converter): Convert spreadsheet CSV data to JSON objects and convert JSON arrays back to CSV. ## AI Productivity Tools (https://proit.tools/category/ai-productivity-tools) AI document summarization, smart rewriting, email draft generation, and intelligent text extraction. - [AI Text & Document Summarizer](https://proit.tools/tool/ai-text-summarizer): Summarize articles, research, and documents into key takeaways and concise bullet points. - [AI Smart Email & Response Generator](https://proit.tools/tool/ai-email-writer): Draft polished business emails, follow-ups, cold outreach, and executive replies in seconds. ## Everyday & Education Tools (https://proit.tools/category/everyday-education-tools) GPA calculator, grade percentage, marks calculator, study timetables, and reading time estimators. - [College & High School GPA Calculator](https://proit.tools/tool/gpa-calculator): Calculate semester and cumulative GPA with configurable 4.0 / 5.0 grading scales. - [Pomodoro Focus Timer & Task Tracker](https://proit.tools/tool/pomodoro-study-timer): Boost study and coding productivity with 25/5 Pomodoro intervals and task tracking. - [Interactive Flashcard Maker & Quiz Deck](https://proit.tools/tool/flashcard-study-maker): Create digital study flashcards with 3D flip animations, shuffle mode, and JSON/CSV export.