Fast, Private Micro-Tools
Directly in Your Browser
Stop uploading confidential files, API tokens, and video drafts to unknown remote servers. Instant client-side utilities engineered for creators, software engineers, and students.
Explore All Micro-Tools
Search 70 private utilities running 100% locally on your device
Short-Form Safe Zone Checker
Check whether your captions, buttons, and graphics are obstructed by TikTok, Instagram Reels, and YouTube Shorts UI layouts before publishing.
LLM Tokenizer & Cost Estimator
Estimate prompt tokens using offline heuristics and compare reference API cost and VRAM ranges for GPT-4o, Claude 3.5, Gemini 2.0, DeepSeek V3, and Llama 3 models locally in your browser.
Cron Expression Humanizer & Timeline
Convert confusing cron syntax into plain English, visualize execution intervals, and verify the next 10 upcoming execution times in your local timezone.
Discord Dynamic Timestamp Generator
Create dynamic Unix timestamps for Discord announcements (<t:123456789:R>). Automatically converts to each recipient’s local timezone with live preview.
CSS Fluid Clamp & Spacing Generator
Calculate mathematically perfect CSS clamp() values for smooth, media-query-free typography and padding between mobile and desktop viewports.
Fair Roommate Rent & Bill Splitter
Split shared apartment rent fairly based on room square footage, private bathrooms, walk-in closets, balconies, and utility consumption.
Markdown Table & Code to Social Card
Transform markdown tables, code snippets, or CSVs into beautiful social graphics with customizable gradients, shadows, and fonts for Twitter/X and LinkedIn.
Batch EXIF & Metadata Stripper
Inspect EXIF tags, GPS coordinates, and camera models, or drop multiple photos (JPG, PNG, WebP, HEIC) to scrub all metadata in browser RAM and download a clean .ZIP archive.
Client-Side PDF Redactor & Sanitizer
Permanently redact sensitive numbers, credit cards, emails, and signatures from PDFs locally via pixel-level page rasterization that leaves zero recoverable text streams.
Database Schema Transpiler Matrix
Transpile CREATE TABLE SQL queries into production-ready schemas for Prisma ORM, Drizzle ORM, Zod validator schemas, and TypeScript interfaces.
Cross-Game Mouse Sensitivity Converter
Convert your exact mouse sensitivity between Valorant, CS2, Apex Legends, Overwatch 2, Fortnite, and Call of Duty while preserving muscle memory.
Subscription Creep & DCA Opportunity Cost
Calculate how much your monthly subscriptions (Netflix, Spotify, gym, AI tools) would grow to over 5, 10, or 20 years if dollar-cost averaged into an index fund.
Bionic Reading Text Enhancer
Convert long articles, essays, and video scripts into bionic reading format by bolding initial letters of each word to guide eye fixations and boost reading speed.
In-Browser ZIP Archive Explorer
Open and inspect ZIP archives directly in browser RAM without extracting to disk. Extract individual files on demand.
Structured LLM Output & Schema Generator
Transform raw JSON into production-ready Zod schemas (TypeScript), Pydantic models (Python), and OpenAI/Gemini function calling JSON Schemas.
Regex Visualizer & Natural Language Explainer
Decode complex regex patterns into plain English sentences, visualize token groups, and test matching strings in real-time.
Offline Zero-Log JWT & Hash Inspector
Inspect JWT headers, claims payloads, and expiration dates locally in your browser memory. Guaranteed zero server transmission or logging.
Modern CSS Smooth Shadows & Glass Generator
Create multi-layered diffuse elevation shadows (Stripe style) and frosted glassmorphism CSS effects with interactive sliders and instant export.
Video Script Beat Splitter & Pacing Timer
Split rough video voiceover scripts into natural speech beats, highlight hooks, and calculate speaking duration at 130, 150, or 180 WPM.
Degree & GPA Target Planner
Calculate the exact minimum GPA required in your remaining credits to achieve your target graduation honors across US, UK, and Australian scales.
Academic Citation to BibTeX & Markdown
Instantly convert formatted references from journal articles into BibTeX entries and clean Markdown footnotes for Obsidian, Zotero, and Overleaf.
Lofi Study Room & Pomodoro with Flex Card
A clean 25-minute Pomodoro study room with relaxing ambient sound toggles and a 1-click shareable 9:16 graphic card to flex your study hours on social media.
Random Decision Picker & Spin Wheel
Stuck deciding what to eat or who pays for lunch? Put options in the random decision pool and let the retro algorithm make an unbiased choice for you.
TikTok Shop & Shopee Net Profit Calculator
Calculate real net profit deposited into your bank account after TikTok Shop, Shopee, and Shopify platform fees, payment processing, and affiliate commissions.
Discord Snowflake ID Decoder
Decode any Discord User, Server, or Message Snowflake ID to discover its exact millisecond creation timestamp and account age in days and years.
SVG to React / JSX Component Converter
Transform raw SVG code into idiomatic React components with camelCase attributes, configurable {...props}, and TypeScript SVGProps types.
Instant CSV to JSON & Table Converter
Convert CSV spreadsheets into clean JSON arrays instantly in your browser. Replaces ugly, ad-filled legacy tools with a fast reactive UI.
Gaming 4:3 Stretched Resolution Calculator
Calculate custom 4:3 stretched resolutions for 1080p, 1440p, and 4K displays to achieve 33.3% wider player target models in competitive FPS games.
In-Game Currency to USD Calculator
Calculate real-world dollar costs for in-game purchases across Roblox, Fortnite, and Valorant. Compare official package bulk discounts.
Minimalist Markdown to ATS 1-Page Resume
Write your resume in clean Markdown and export an ATS-optimized, 1-page document with zero design bloat that passes applicant tracking systems.
Permanent Static QR & Barcode Generator
Create static QR codes that never expire and linear barcodes locally. No dynamic redirect scams, no login, and no subscription traps.
In-Browser Batch Image Converter
Convert dozens of WebP, PNG, JPEG, SVG, and Apple HEIC/HEIF photos simultaneously in your browser. Download individually or as a single ZIP archive. 100% private and unlimited.
JSON Formatter, Validator & Diff
Format, minify, diff, and validate JSON payloads offline in browser memory. Features syntax error line/column pointers, lexer-safe auto-repair for trailing commas & comments, structural JSON Diff, and an interactive tree inspector.
Open Graph & Social SERP Previewer
Test and preview how your website link cards look across Google Search, Twitter/X, Discord, Slack, Facebook, and Apple iMessage in real-time. Export ready-to-use HTML meta tags.
Freelance Hourly to Salary & 1099 vs W2 Calculator
Interactive hourly rate to salary converter. Calculates W2 full-time equivalent, 1099 freelance billable gross, self-employment tax (15.3%), and the exact breakeven contractor rate you must charge.
Secure Offline Password & Hash Generator
Generate high-entropy random passwords, memorable Diceware passphrases, and calculate SHA-256, SHA-512, and MD5 hashes in real-time via hardware WebCrypto API. 100% offline and untracked.
Base64, URL & Hex Multi-Format Encoder/Decoder
Encode and decode Base64, URL-percent, Hexadecimal, and HTML entities in a single unified interface. Features smart format auto-detection, URL-safe Base64, and File-to-Base64 Data URI conversion.
CSS Grid & Flexbox Visual Playground
Interactive visual builder for CSS Grid and Flexbox layouts. Adjust direction, alignment, gap, and wrapping visually, and export clean Tailwind CSS classes or pure CSS code in 1 click.
In-Browser Video Compressor & Converter
Compress large MP4, WebM, and MOV video files directly in your browser with zero server uploads. Features real-time ETA, custom Discord/Email 25MB caps, MP3 audio extraction, and instant mute.
Unlock PDF & Remove Password
Remove open passwords and print/copy restrictions from bank statements, payslips, and contracts 100% locally in browser memory. Never uploads private documents or passwords; authorized known-password decryption only.
Merge & Split PDF (Vector Lossless)
Merge unlimited PDF documents, reorder pages, extract specific page ranges like 1-3, 5, or split every page into individual PDFs inside a ZIP archive — 100% lossless vector processing offline.
Image to PDF & PDF to JPG/PNG Converter
Bidirectional browser converter: combine multiple JPG, PNG, and WebP images into A4, US Letter, or borderless PDFs, or convert multi-page PDFs into high-DPI JPG/PNG images downloadable as a ZIP.
Profit Margin, Markup & Discount Calculator
Clean unit-economics calculator for e-commerce sellers and retail founders. Calculate gross profit, margin %, markup %, promo discount impact, fixed overhead break-even volume, and reverse target-margin pricing.
Break-Even ROAS & Ad Spend CPA Calculator
Essential paid-ads profitability calculator for Meta, Google, and TikTok advertisers. Enter AOV, COGS, shipping, and gateway fees to calculate exact Break-Even ROAS, maximum CPA ceiling, and multi-scenario profit.
Stripe, PayPal & Payment Gateway Fee Calculator
Compute exact processing deductions for Stripe, PayPal, Gumroad, or any custom percentage + fixed fee rate. Includes Reverse Pass-Through mode to invoice the exact gross amount needed to net your target payout.
Zero-Signup Invoice Generator (Clean PDF)
Build professional freelance and agency invoices with multi-currency support (USD, EUR, GBP, VND, JPY), taxes, discounts, and custom logo. Your sender profile stays saved in browser localStorage and exports to a clean PDF with zero watermarks or signups.
App & SaaS Privacy Policy & Terms Generator
Create clean Privacy Policy, Terms of Service, and App Store / Google Play / Chrome Web Store privacy summaries in seconds. Includes a dedicated Zero-Data Local-Only toggle for indie privacy apps.
Batch HEIC to JPG & PNG Converter
Open and batch-convert Apple iPhone .HEIC and .HEIF photos directly into JPG or lossless PNG on Windows, Linux, or Chrome—100% locally via WebAssembly with single-click ZIP download.
Favicon & App Icon Kit Generator
Upload a single SVG, PNG, JPG, or WebP logo to preview it in Light/Dark browser tabs and mobile home screens, then download a complete favicon.ico + PNG icon pack + site.webmanifest ZIP with ready-to-paste HTML tags.
CSV / Excel Merger, Splitter & Cleaner
Combine dozens of CSV, TSV, or Excel (.xlsx/.xls) files into one clean table, remove duplicate rows by Email/Phone, fix broken Vietnamese Excel encoding with UTF-8 BOM, or split massive sheets into numbered CSV chunks inside a ZIP.
Bulk Barcode & Thermal Label PDF Generator
Paste product SKUs, titles, prices, and quantities to generate multi-page thermal roll (4×6", 50×30mm, 2×1") or A4 Tomy/Avery sticker PDF sheets with Code 128, EAN-13, UPC-A, Code 39, or QR barcodes offline.
CSV & Log PII Data Anonymizer
Automatically detect sensitive Email, Phone, IP, Card, and Secret Token fields inside CSV datasets or raw server logs and mask, consistently pseudonymize, or redact them offline before pasting into ChatGPT, Claude, or vendor portals.
Universal Data Converter (JSON / CSV / SQL / MD)
Instantly transform structured data across JSON, RFC 4180 CSV, multi-dialect SQL INSERT statements (PostgreSQL, MySQL, SQLite), and clean Markdown pipe tables right in your browser.
Local PDF Signer & Stamp Tool
Draw smooth handwritten signatures, upload signature photos with automatic white-background removal, or stamp APPROVED / CONFIDENTIAL / Dates directly onto multi-page PDF documents cleanly with zero watermarks or logins.
PDF Page Organizer, Rotator & Blank Remover
Inspect page thumbnails across your PDF, move pages forward or backward, rotate upside-down scans, auto-detect near-blank pages with 1 click, and export a losslessly rebuilt PDF.
PDF Form Flattener (Lock Editable Fields)
Audit interactive text boxes, checkboxes, and dropdowns inside any fillable PDF, then flatten them permanently via pdf-lib vector form flattening or high-DPI lock mode so recipients cannot edit submitted fields.
SaaS Screenshot & Mockup Beautifier
Upload or Ctrl+V paste any product screenshot to wrap it inside sleek macOS Dark/Light, Windows, or Mobile bezels over curated mesh gradients with soft drop shadows and export crisp PNG cards for X, LinkedIn, and Product Hunt.
SVG Optimizer (SVGO), Color Swapper & Exporter
Run full SVGO multipass compression directly in the browser, extract and recolor every fill/stroke hex token in one click, inspect exact byte savings, and copy optimized SVG, React TSX, Vue 3 SFC, or Astro components.
WCAG Contrast Checker & Accessible Tailwind Palette
Calculate exact WCAG 2.1 contrast ratios for Normal and Large text, auto-nudge failing foreground colors to pass AA (4.5:1) or AAA (7.0:1), preview UI readability, and generate Tailwind 50–950 CSS variables.
Zero-Upload Audio Trimmer, Merger & Speed Changer
Visualize audio waveforms, drag trim handles, strip leading/trailing silence automatically, concatenate multiple clips, change playback speed (0.5x–2.0x), and export crisp lossless 16-bit WAV with zero WASM overhead.
Binaural Beats & Ambient Focus Noise Generator
Mix mathematical White Noise, Pink Rain, Brown Noise, and stereo Binaural brainwave frequencies (Delta, Theta, Alpha, Beta, Gamma) generated purely in Web Audio math with 0 KB audio downloads and a built-in focus timer.
Video Frame Extractor & 4K Thumbnail Grabber
Open multi-GB local MP4, MOV, or WebM videos instantly with zero upload, scrub or step -1/+1 frames at 24/30/60fps, grab native 4K/1080p thumbnails as PNG/JPG/WebP, and download individually or bundled as a ZIP.
Client-Side AES-256 File Encryptor & Decryptor
Encrypt any file in your browser using hardware-accelerated Web Crypto AES-256-GCM and 600,000-round PBKDF2-SHA256 key derivation into a portable .enc archive (filename protected inside ciphertext) and decrypt anytime offline.
SSL Certificate & CSR Decoder (PEM / DER)
Decode SSL/TLS certificates, multi-cert chains, and CSR (PKCS#10) requests offline to inspect Subject/Issuer DNs, SAN domains, expiration dates, key strength, SHA-256/SHA-1 fingerprints, and export PEM or binary DER.
Offline TOTP 2FA Debugger & QR Exporter
Debug 2FA authentication integrations safely in browser RAM: paste a Base32 secret key or otpauth://totp URI to watch real-time 6/8-digit SHA-1/256/512 OTP codes alongside previous/next time steps and export an Authenticator QR.
Compound Interest, FIRE & Loan Amortization
Visualize long-term compound investment growth adjusted for inflation, calculate your Lean/Standard/Fat FIRE target and retirement age, and generate monthly mortgage/loan amortization tables with extra payment savings and CSV export.
SaaS Metrics Calculator (MRR, LTV & CAC Payback)
Model core SaaS unit economics in real time: convert active customers, ARPU, monthly churn, gross margin, and CAC into Customer Lifetime, LTV:CAC health benchmarks, Payback Months, and exportable 12/24/36-month MRR/ARR cohorts.
Freelance Project Rate & Tax Reserve Calculator
Work backward from your desired annual net take-home pay, software/equipment overhead, PTO weeks, non-billable admin time, and Tax Reserve % to set confident hourly rates, day rates, and fixed-bid project quotes.
International Meeting Timezone Overlap Planner
Visualize 24-hour working-hour overlaps across global remote teams using live IANA DST-aware timezones, jump straight to top golden meeting windows, and copy clean multi-timezone meeting summaries for Slack or email.
Zero-Limit Screen & Webcam Recorder
Capture unlimited screen shares, windows, webcam Picture-in-Picture overlays, and mixed microphone + tab audio natively via MediaRecorder in your browser RAM with zero time limits or watermarks.
Instant Local Speed
Traditional utility sites send your files to remote cloud queues. Microdeck processes everything locally on your device with zero waiting.
Guaranteed Data Privacy
Your private videos, confidential documents, personal photos, and sensitive data never travel across the internet. Disconnect your Wi-Fi, and the tools still work.
Clean, Uncluttered UI
No annoying full-screen popups, countdown download gates, or spammy clickbaits. Enjoy focused, single-purpose productivity built for modern workflows.