Tools for everyday work.
Browse document, media, developer, and everyday tools. Many run locally in your browser; tools that use external services explain their connections.
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Popular High-Precision Suites
High-demand client-side utilities for web developers, media creators, and AI engineers.
1980s Retro Photo Converter
Convert photos to authentic 1980s 35mm film with analog color science, 30 real scanned dust plates, and bloom.
Aspect Ratio Calculator
Calculate missing dimensions, compare 16:9 and 4:3 ratios, and generate zero-CLS CSS aspect-ratio rules.
Smart Image Compressor
Lossless and lossy compression for PNG, JPEG, and WebP directly in the browser with zero cloud storage.
PDF OCR Extractor
Extract text from scanned PDF documents and create searchable text layers via client-side WebAssembly.
AI Token Cost Calculator
Price prompt tokens across GPT-4o, Claude 3.5 Sonnet, Gemini 1.5 Pro, and open models with custom batch sizing.
Marvel Universe Watchlist
Interactive draggable dependency tree across the MCU, Fox X-Men, Sony Spider-Verse, and animated series with TMDB poster sync.
Study & Focus
Ambient soundscapes, Pomodoro study timers, timezone planners, and productivity utilities.
Ambient Focus Workspace & Soundscape
100% Ad-Free procedural Web Audio soundscapes (rain, waves, brown noise) with Pomodoro study timer and local scratchpad.
Distributed Team Time Zone Planner
Visual timeline matrix showing overlapping working hours across international cities to schedule meetings without burnout.
EPUB Chapter Text Extractor
Extract readable EPUB chapter text while retaining headings, emphasis, lists, tables, quotes, SVG, MathML, and other document structure.
UTM Campaign Link Builder
Generate tracking-ready campaign URLs with standard Google Analytics UTM tags (source, medium, campaign, term, content).
URL Tracker & Query Cleaner
Strip ad-tracking telemetry, surveillance query tokens (fbclid, gclid, UTMs, ref), and bloat from any web link.
In-Browser PDF & Document Suite
OCR text extraction, page reorganizing, watermarking, password encryption, and multi-format conversion.
PDF OCR
Extract text from non-selectable scanned PDFs, receipts, and images using WebAssembly Tesseract OCR client-side with zero server uploads.
PDF Page Rotator & Drag-and-Drop Reorderer
Rotate orientation (90°, 180°, 270°), reorder page sequences, or delete unwanted pages from any PDF document entirely in your browser.
Images to PDF Converter (JPG, PNG, WebP to PDF)
Combine multiple PNG, JPG, and WebP images into a single formatted PDF file with custom page margins, orientations, and page sizes.
PDF to Images Converter (PDF to High-Res JPG/PNG)
Extract and convert all pages of any PDF document into high-resolution JPG or PNG images with zero quality loss or server uploads.
PDF Watermark Stamper
Stamp confidential watermarks and custom company logo images onto any PDF document with custom opacity, rotation, and positioning without cloud uploads.
PDF Page Number Stamper
Add custom 'Page X of Y', 'X / Y', or simple numeric pagination to any PDF document with flexible positions, margins, and starting page offsets.
PDF Password Protect & AES Encryptor
Secure sensitive PDF contracts, financial statements, and personal records with strong client-side encryption and custom master passwords.
PDF Password Unlocker & Decryptor
Remove known owner or user passwords from locked PDF files locally so you can open, print, and share them without password prompts.
PDF Page Cropper & Margin Adjuster
Trim white margins, crop specific sections, and adjust page visible viewing boxes on documents and academic papers client-side.
PDF Splitter
Split PDF documents by page ranges, extract specific pages, or separate every page into individual PDF files.
PDF Merger & Combiner
Combine multiple PDF files into one consolidated document with drag-and-drop file reordering.
PDF Compressor
Reduce PDF file size by downsampling embedded images and optimizing streams client-side without server uploads.
PDF Page Organizer
Visually rearrange, rotate, duplicate, and delete pages in your PDF document with drag-and-drop simplicity.
Media, Audio & Video Suite
Format transcoding, audio trimming, GIF creation, screen recording, and EXIF stripping.
1980s Retro Photo Converter (NO AI) & Film Studio
Transform photos into authentic 1980s 35mm film prints. 100% NO AI — pure deterministic color science, 30 real scanned film grain overlays, zero face distortion, and 100% private in-browser processing.
Moiré Pattern & Halftone Studio
Transform photos into authentic vintage print halftones and optical Moiré ripples with high-density screen blending. Also processes individual video frames.
Marvel Universe Complete Watchlist & Interactive Dependency Tree
Interactive draggable universe dependency tree and completion tracker for the entire Marvel multiverse. Explore chronological and prerequisite storylines across the MCU, Sony Spider-Verse, Fox X-Men, classic animated series, and legacy films with TMDB poster sync.
In-Browser Audio Format Converter (MP3, WAV, OGG)
Convert audio files between MP3, WAV, OGG, and WebM formats directly inside your browser using the native Web Audio API and WebAssembly.
In-Browser Video Audio Extractor (MP4 to MP3/WAV)
Extract pristine audio soundtracks from MP4, MOV, and WebM videos into downloadable MP3 or WAV files without uploading large video files.
Audio Trimmer & Waveform Cutter
Visually trim, cut, and splice audio recordings, podcasts, and songs with waveform visualizer and precision millisecond markers.
In-Browser Video to Animated GIF Maker
Convert short MP4, WebM, and MOV video clips into lightweight animated GIFs with custom framerate, cropping, and resolution controls.
Screen & Microphone In-Browser Recorder
Record high-definition screen presentations, browser tabs, and microphone narration with zero software installs, watermarks, or time limits.
EXIF Image Metadata Stripper & Privacy Inspector
Inspect and remove hidden GPS coordinates, camera serial numbers, lens info, and device timestamps from JPG and PNG photos before sharing.
Universal Image Compressor
Compress and optimize PNG, JPEG, and WebP images locally with customizable quality, dimensions, and instant size preview.
Grid Image Collage Maker
Combine multiple photos into customizable grid layouts with spacing, border radius, aspect ratios, and instant PNG export.
Online Image Editor
Crop, flip, rotate, filter, and adjust brightness, contrast, and saturation of photos 100% in your browser.
Frequency Sound Tone Generator
Generate pure sine, square, triangle, and sawtooth audio frequencies from 20 Hz to 20,000 Hz with dual channel stereo panning.
AI & LLM FinOps Utilities
BPE tokenization, cost calculations, and API budget forecasting across frontier foundation models.
AI Token Counter & Multi-Model Cost Calculator
Count exact tokens and calculate real-time API request costs for OpenAI (GPT-4o, GPT-4o-mini), Anthropic (Claude 3.5 Sonnet), and Google (Gemini 1.5).
AI API Prompt Budget & Monthly Spend Forecaster
Forecast monthly and annual API infrastructure costs based on daily active users, requests per user, average prompt length, and cached token discounts.
Developer & Data Tools
Formatters, validators, syntax converters, network analyzers, regex testers, and cryptography tools.
JSON Formatter, Validator & Tree Inspector
Beautify, validate syntax, and inspect JSON payloads with configurable indentation and minification.
Markdown to HTML Live Renderer
Side-by-side Markdown editor with instant live HTML preview and one-click HTML source code export.
Base64 & URL Encoder / Decoder
Convert plaintext strings and binary files to Base64 and URL-encoded formats and decode them instantly.
Regex Pattern Tester & Matcher
Test regular expressions against custom text blocks with real-time match highlighting and capture group breakdowns.
CSS Flexbox & Grid Playground
Visually build responsive CSS flexbox and grid layouts in real time with interactive alignment and gap controls.
SVG to PNG / JPEG Raster Converter
Convert vector SVG graphics into high-resolution raster PNG or JPEG images with custom dimensions.
Cron Expression Generator & Explainer
Translate crontab schedule syntax into plain English schedules and generate standard 5-field cron strings visually.
SQL Query Formatter & Beautifier
Format unorganized or minified SQL queries into clean, readable, indented database code.
Meta Tag & OpenGraph Previewer
Simulate how your website links will appear across Google Search, Twitter (X) cards, Facebook, and LinkedIn.
JWT (JSON Web Token) Inspector
Decode and inspect JSON Web Token headers, payload claims, and expiration timestamps locally without sending tokens to any server.
Cryptographic UUID & Password Generator
Generate cryptographically secure random UUIDs (v4) and complex enterprise passwords using the browser Crypto API.
WCAG Color Contrast Checker
Calculate accessibility contrast ratios between text and background colors according to WCAG 2.1 AA and AAA guidelines.
Client-Side Code Minifier (HTML, CSS, JS)
Strip comments, line breaks, and unnecessary whitespace from HTML, CSS, and JavaScript files locally.
Web Crypto Hash Generator (SHA-256, SHA-512)
Compute secure cryptographic digests of text strings using the native browser Web Crypto API.
Aspect Ratio & Resolution Calculator
Calculate missing dimensions (width or height) for responsive images, video containers, and displays based on target aspect ratios.
In-Browser Excel (.xlsx) & CSV Data Inspector
Inspect, filter, search, and paginate massive Excel spreadsheets (.xlsx, .xls) and CSV datasets client-side without Microsoft Office.
Side-by-Side Text & Code Diff Checker
Compare two text files or code snippets with side-by-side or inline Git-style visual diff highlighting for additions, deletions, and edits.
cURL to Fetch, Python, Axios & Go Code Converter
Transform terminal cURL command strings into production-ready API request code for JavaScript (Fetch & Axios), Python (Requests), and Go.
JSON to TypeScript Interface & Type Generator
Paste any JSON payload to instantly generate deeply typed TypeScript interfaces, types, or Zod schemas with nested object support.
HAR Network Log Inspector & Waterfall Viewer
Inspect HTTP Archive (.har) logs exported from browser DevTools with waterfall timing charts, header analysis, and size metrics offline.
BIP39 Mnemonic & Seed Phrase Offline Verifier
Verify 12, 18, or 24-word BIP39 mnemonic seed phrase validity and checksums 100% offline with zero network connectivity or server tracking.
CSV to JSON Converter
Parse CSV spreadsheets into formatted JSON object arrays or nested trees with auto-delimiter detection and type inference.
JSON to CSV Converter
Flatten and transform JSON arrays or nested API payloads into downloadable standard CSV spreadsheet files.
In-Browser SQLite Database Viewer
Open, inspect, and run SQL queries against SQLite database files (.sqlite, .db) client-side without installing software.
Google Antigravity Auto Allow/Approve Software
Automate 'Yes, allow this time' command permission prompts in Google Antigravity. Free portable Windows executable and open-source Python script.
Global Finance, Visas & Living
Mortgage amortization, runway calculators, Schengen tracking, IELTS concordance, and health planning.
SaaS Runway & Burn Rate Calculator
Calculate operating runway in months based on total cash reserves, monthly recurring revenue (MRR), and gross monthly burn.
Freelance Hourly Rate Estimator
Determine the exact billable hourly rate required to hit your target annual income after accounting for taxes, overhead, and non-billable hours.
IELTS to TOEFL / Duolingo Score Converter
Instantly convert English proficiency test scores between IELTS Academic, TOEFL iBT, PTE Academic, and Duolingo English Test.
BMR, TDEE & Macro Deficit Planner
Calculate Basal Metabolic Rate (BMR), Total Daily Energy Expenditure (TDEE), and daily macronutrient targets for weight loss or muscle gain.
Document & Legal Template Generators
Instant client-side variable injection, tenancy leases, police GDs, freelance contracts, and NDAs.
আবাসিক ফ্ল্যাট/বাসা ভাড়া চুক্তিপত্র (বাংলাদেশ)
বাড়িভাড়া নিয়ন্ত্রণ আইন ১৯৯১ এর আলোকে প্রণীত আবাসিক ফ্ল্যাট ও বাসা ভাড়ার সম্পূর্ণ আইনি দ্বিপাক্ষিক চুক্তিপত্র। অগ্রিম জামানত, মাসিক ভাড়া, ইউটিলিটি বিল, নোটিশ পিরিয়ড এবং অন্যান্য আবশ্যকীয় শর্তাবলী অন্তর্ভুক্ত।
ATS-Optimized Plaintext & Markdown Resume
Parser-friendly single-column resume formatted in clean Markdown that parses with 95%+ accuracy through Workday, Greenhouse, and Taleo ATS software. Includes 10 specialized industry variations.
Statement of Purpose (SOP) Master Academic Framework
Rigorous Statement of Purpose blueprint tailored for competitive Master's and PhD university admissions in Germany, the UK, US, and Canada. Includes 10 specialized academic discipline variations.
Professor Letter of Recommendation (LOR) Request & Draft
Polite, comprehensive recommendation request email draft and supporting academic reference template for undergraduate professors. Includes 10 specific relationship variations.
High-Conversion Technical Software Engineer Cover Letter
Concise, results-oriented technical cover letter connecting your past architectural wins directly to the hiring company's product challenges. Includes 10 specialized company/role variations.
Freelance Master Services Agreement (MSA)
Client-side freelance contract defining milestone payment schedules, intellectual property transfer upon final payment, and revision limitations. Includes 10 specialized service domain variations.
Mutual Non-Disclosure Agreement (NDA)
Two-way confidentiality contract safeguarding proprietary software source code, business logic, customer records, and trade secrets. Includes 10 specialized business context variations.
Print-Ready Commercial Freelance Invoice
Standardized tax-compliant invoice template with line items, bank wire instructions, and tax breakdowns formatted for instant PDF print. Includes 10 specialized billing structure variations.
Project Scope of Work (SOW) & Milestone Sign-Off
Detailed deliverable specification sheet outlining timeline gates, acceptance criteria, and out-of-scope boundaries to prevent scope creep. Includes 10 specialized technical project variations.
Global Weather & Living APIs
Live atmospheric weather, world currency exchange, cryptocurrency tracker, economic statistics, and flight radars.
Live Weather & Air Quality Index
Fetch hyper-local real-time temperature, wind speed, relative humidity, UV index, and PM2.5/PM10 air quality metrics using open Open-Meteo REST endpoints.
Currency & Forex Exchange Converter
Real-time currency exchange calculator across 30+ fiat currencies backed by European Central Bank data with historical rates and quick pair swaps.
Crypto Price & Market Cap Tracker
Live price feeds, 24-hour volume, price changes, and market ranking charts for 100+ cryptocurrencies with instant fiat calculation.
World Bank Economic Indicator Comparison
Compare historic GDP, inflation, population growth, and trade balances across countries using official World Bank Open API data.
Nager.Date Public Holiday Finder
Explore official statutory, religious, and national public holidays across 100+ countries with upcoming holiday countdowns and calendar export.
REST Countries Fact Sheet Explorer
Interactive global country fact sheet displaying official flags, currencies, languages, population, land borders, capital cities, and local time.
Flight Radar & Airport Status Tracker
Live aircraft positions, radar vectors, ground speeds, altitudes, and callsigns tracked in real-time via open ADS-B transponder feeds.
International Space Station (ISS) Live Tracker
Track the International Space Station's real-time orbital path, orbital velocity, ground coordinates, and active astronauts currently in space.
Voice, Audio & Hardware Recorders
Speech-to-text voice transcriber, natural audio reader, decibel sound meter, webcam recorder, and digital bubble level.
Speech-to-Text Live Voice Transcriber
Convert live microphone voice input into editable text in real-time with multi-language recognition and instant text/Markdown export.
Text-to-Speech Natural Audio Reader
Listen to articles, notes, or uploaded documents read aloud with natural system voices, customizable pitch, speed, and real-time word highlighting.
Microphone Decibel Sound Meter
Measure ambient sound pressure and noise levels in decibels (dB) with peak hold, frequency spectrum visualizer, and WHO safety thresholds.
In-Browser Screen & Webcam Recorder
Record full screen, application windows, browser tabs, or webcam video directly into high-quality WebM/MP4 with zero cloud uploads.
Device Orientation & Digital Bubble Level
High-precision digital spirit level and surface alignment gauge utilizing device accelerometer and gyroscope sensors.
Haptic Vibration Metronome
Rhythmic tactile vibration pulses and synthesized audio metronome for musicians, runners, and tempo calibration.
Web Bluetooth Device Monitor
Scan, pair, and inspect nearby Bluetooth Low Energy (BLE) devices, heart rate monitors, and environmental sensors via Web Bluetooth.
Network Bandwidth & Quality Inspector
Analyze effective internet connection type, round-trip ping time, downlink speed estimate, and run in-browser latency tests.
Network & Security Utilities
DNS-over-HTTPS lookup, IP inspector, GitHub repository analyzer, Bundlephobia size checker, and SubtleCrypto hash lab.
DNS-over-HTTPS (DoH) Record Lookup
Resolve A, AAAA, CNAME, MX, TXT, and NS DNS records for any domain directly in the browser via Cloudflare and Google DoH endpoints.
IP Address & ISP Geolocation Inspector
Inspect your public IP address, internet service provider (ISP), autonomous system number (ASN), city, and VPN/proxy indicators.
GitHub Profile & Repository Analyzer
Analyze developer commit velocity, star totals, language breakdown, followers, and top open-source repositories via GitHub REST API.
Bundlephobia NPM Package Size Checker
Check minified and gzipped bundle sizes, tree-shaking support, and download times for NPM packages before installing them.
Web Cryptography Hash Lab
Compute SHA-1, SHA-256, SHA-384, SHA-512, and MD5 hashes of text or multi-MB files locally using the browser's hardware-accelerated SubtleCrypto API.
HTTP Header & SSL Security Inspector
Inspect domain security headers (HSTS, CSP, X-Frame-Options), SSL certificate status, and cipher suites via open DoH CORS proxies.
E-Books, Reading & Culture
Al-Quran digital reciter, Hadith search, Wikipedia summary explorer, and Canvas quote generator.
Al-Quran Digital Reciter & Translation Engine
Explore the complete Quran with verse-by-verse audio recitations by world-renowned Qaris, 50+ translations, and Arabic Uthmani typography.
Random Advice & Quote Canvas Builder
Generate inspirational quotes and practical life advice, customize typographic canvas styles, and download 1080×1080 high-res social quote cards.
On This Day in History
Explore historical events, births, deaths, and major global milestones that occurred on today's date across centuries.
Islamic Financial & Worship Utilities
Zakat calculations, Nisab checker, GPS prayer times, Qibla vector, Qaza tracker, and Shariah finance screeners.
Multi-Asset Zakat Calculator
Real-time 2.5% Zakat calculation across cash, bank balances, physical gold/silver, investment stocks, mutual funds, real estate, and business inventory minus immediate liabilities.
Islamic Mirath (Inheritance) Share Engine
Algorithmic distribution engine determining precise Quranic fixed shares (Faraid) and residuary shares (Asabah) for primary heirs (spouse, sons, daughters, parents, siblings) under Shariah law.
Business Inventory Zakat Tool
Specialized inventory and merchant Zakat calculator for retail stores, e-commerce brands, and wholesale goods valued at current wholesale market replacement cost.
Browser Geolocation Prayer Times Engine
Computes astronomical Salah schedules (Fajr, Sunrise, Dhuhr, Asr, Maghrib, Isha) based on GPS coordinates or manual city search across global calculation conventions.
Suhoor & Iftar Ramadan Live Countdown
Live countdown timer ticking down to the exact second for morning fast start (Imsak / Fajr) and evening fast breaking (Maghrib / Iftar) based on local solar calculations.
Hijri-to-Gregorian Date Converter & Calendar
Dual-directional calendar converter between Islamic lunar Hijri dates and Gregorian calendar dates with customizable moon-sighting adjustment slider (-2 to +2 days).
Halal Food Additive (E-Number) Checker
Searchable offline database of food additive E-numbers (e.g. E120 Carmine, E471 Mono- and diglycerides, Gelatin, Lecithin) classified as Halal, Haram, or Doubtful (Mushbooh).
Bangladesh Local Utilities
Statutory tax slabs, gold rates, metro fares, registration duties, and civic calculators.
BD Income Tax & Refund Calculator
Calculate progressive income tax liability under statutory NBR tax slabs and compute eligible investment rebates.
University CGPA Calculator (BD Standard)
Calculate semester GPA and cumulative CGPA on a standard 4.0 scale with customizable course credit weightings.
AC Tonnage & Power Consumption Estimator
Size air conditioner cooling capacity (BTU) and estimate monthly electricity bill impact based on room dimensions.
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