81 free online tools
Fast browser utilities for timers, events, QR codes, text, social media, developer work, presentations, PDFs and colors. Start without signing up.
Countdown Timer
A clear, accurate timer with presets, alarms and fullscreen mode.
Presentation Timer
Keep speakers on time with visual warnings and overtime mode.
Multiple Timers
Run named timers together or one after another.
Interval Timer
Build repeatable work and rest intervals in seconds.
Stopwatch
Capture accurate lap and split times in a clean display.
Event Countdown
Count down to a date and share it with your audience.
Alarm Clock
Set a browser alarm and test the sound before you rely on it.
Teleprompter
Read smoothly with adjustable speed, size and mirror mode.
Name Picker
Pick fair winners from a pasted list without repeats.
Age Calculator
Calculate exact age in years, months and days for any date.
BMI Calculator
Estimate body mass index with metric or imperial measurements.
Percentage
Solve percent-of, what-percent and percentage-change calculations.
Discount
Find sale price, savings and optional tax after a discount.
GPA Calculator
Calculate weighted GPA from course credits and grade points.
Date Difference
Count days, weeks and calendar distance between two dates.
Fuel Cost
Estimate trip fuel use, total spend and per-person cost.
Electricity Cost
Estimate appliance energy use and electricity cost.
Salary
Convert hourly, weekly, monthly and annual pay with estimated net income.
Loan Calculator
Estimate monthly loan payments, interest and payoff time.
CCTV Storage
Estimate NVR hard drive storage from cameras, bitrate, retention and recording schedule.
Dim Weight
Compare actual and dimensional weight for parcels using common freight divisors.
Drywall Sheets
Estimate drywall boards for walls and ceilings with waste allowance.
Print Size
Convert image pixels and DPI into maximum print dimensions.
Filter Lookup
Look up common HVAC filter sizes and verification notes from sample cabinet data.
Filament Length
Convert filament weight into estimated remaining length by diameter and material.
Room Modes
Estimate axial room modes for studio and listening-room dimensions.
Board Feet
Calculate board feet and lumber cost from thickness, width, length and quantity.
Router Lights
Check common router and modem light meanings with next-step troubleshooting notes.
Spindle RPM
Estimate machining spindle speed from cutter diameter and surface speed.
Recording Time
Estimate how long a card or drive can record at a chosen video bitrate.
Curtain Fabric
Estimate curtain fabric length from window size, fullness, hems and panels.
CCTV Bandwidth
Estimate total IP camera network bandwidth with recording overhead.
Volumetric Weight
Calculate shipment volume, volumetric weight and chargeable weight.
Drywall Mud
Estimate joint compound needs from drywall area, coats and waste.
Stickers / Sheet
Estimate how many stickers fit on one sheet with margins and spacing.
Cabinet Verifier
Compare measured HVAC filter cabinet dimensions against common nominal sizes.
Print Cost
Estimate 3D print material, electricity and machine-time cost.
BPM to ms
Convert tempo into note delay times for audio and studio workflows.
Plywood Sheets
Estimate plywood sheet count and cost from project area and waste.
Modem Lights
Look up common modem blinking light states and troubleshooting steps.
Chip Load
Calculate CNC feed rate from RPM, flutes and target chip load.
Bitrate Size
Estimate video file size from bitrate and duration.
Upholstery Fabric
Estimate upholstery fabric yardage for cushions and panels.
QR Generator
Create a permanent static QR code and download it instantly.
Wi-Fi QR
Let guests join your Wi-Fi network with one scan.
vCard QR
Turn contact details into an easy-to-scan digital card.
Barcode Generator
Generate Code 128, EAN, UPC and other common barcodes.
UTM Builder
Build clean, trackable campaign URLs without mistakes.
Case Converter
Switch text between sentence, title, upper and developer cases.
Word Counter
Measure words, characters, sentences, lines and paragraphs live.
Speaking Time
Estimate reading or presentation time at any speaking pace.
Text Cleaner
Remove messy spacing, blank lines and unwanted formatting.
Remove Duplicates
Deduplicate and sort lists while preserving the original order.
Text Difference
Compare two drafts and see exactly what changed.
Pinterest Downloader
Preview and download images or videos from public Pinterest Pins.
YouTube Downloader
Preview and download video from a public YouTube link.
TikTok Downloader
Preview and download video from a public TikTok post.
Facebook Downloader
Preview and download video from a public Facebook post.
X Video Downloader
Preview and download video from a public X or Twitter post.
Caption Formatter
Polish spacing, line breaks, calls to action and platform-ready captions.
Hashtag Generator
Turn a topic and keywords into a clean, reusable hashtag set.
Post Preview
Preview copy, media and character limits for popular social networks.
JSON Formatter
Format, minify and validate JSON with clear browser-side errors.
Base64 Tool
Encode Unicode text to Base64 or decode it back safely.
URL Encoder
Encode query values and decode percent-escaped URLs instantly.
JWT Decoder
Inspect JWT header and payload claims locally without verification.
Timestamp Converter
Convert Unix seconds, milliseconds and human-readable dates.
UUID Generator
Generate secure UUID v4 identifiers in configurable batches.
Regex Tester
Test patterns, flags and matches against sample text as you type.
SMTP Trigger
Verify SMTP credentials, send a polished test email and inspect clear connection and delivery logs.
Website Downloader
Download reachable pages, images, CSS, JavaScript, fonts and other site assets as one organized ZIP.
Contact Widget
Build a branded WhatsApp and Messenger button, preview it live and copy the website embed code.
Website Chatbot
Crawl your public website, create a helpful chatbot, capture inquiries and connect visitors with agents.
Presentation Maker
Create a polished deck from prebuilt templates, export PowerPoint and share a read-only version.
PDF Flipbook
Upload a PDF, read it as a clean or 3D book and create a share-ready link.
Word to PDF
Convert a Word DOCX file into a clean, downloadable PDF privately in your browser.
PDF to Word
Extract selectable PDF text into an editable Word DOCX file without uploading it.
Reorder PDF
Drag PDF pages into the right order, preview every page and export a new file.
PDF Editor
Reorder, rotate and delete pages, add blank pages or text, then export your edited PDF.
Image Color Picker
Upload an image and click any pixel to copy its HEX, RGB and HSL values.
Palette Generator
Extract a balanced color palette from an image or generate one from a seed color.