9 free tools
Event & Time
Use free online timers, countdowns, a stopwatch, alarm, teleprompter and random picker for meetings, events, classes and focused work.
- conference and workshop timing
- classroom activities
- focus routines and rehearsals
Free online tool categories
Choose the kind of work you need to finish. Each category brings together focused tools, practical guidance and related topics without an account wall.
5 free tools
QR & Barcode
Create QR codes, Wi-Fi and vCard codes, barcodes and trackable UTM links free in your browser with useful download formats.
- event signs and handouts
- guest Wi-Fi and contact sharing
- campaign attribution and internal labels
10 free tools
Calculators
Use free online calculators for age, BMI, percentages, discounts, GPA, dates, fuel, electricity, salary and loans.
- personal finance estimates
- student grade planning
- household and trip cost calculations
2 free tools
CCTV & Security
Plan camera storage, bandwidth, PoE budgets and security system sizing with focused CCTV calculators.
- NVR storage planning
- camera system proposals
- security upgrade estimates
2 free tools
Shipping & Packaging
Calculate dimensional weight, parcel volume, pallet planning and packaging math for ecommerce and freight workflows.
- ecommerce shipping estimates
- warehouse packing checks
- freight quote preparation
2 free tools
Drywall & Interiors
Estimate drywall sheets, mud, screws, tape and interior material quantities from room dimensions.
- room renovation planning
- material shopping lists
- contractor estimate checks
2 free tools
Print & Signage
Convert pixels, DPI, print sizes, bleed, margins and layout math for print and signage jobs.
- poster sizing
- banner checks
- sticker and label planning
2 free tools
HVAC Filters
Look up HVAC filter sizes and verification notes for furnaces, air handlers and filter cabinets.
- replacement filter checks
- home maintenance
- HVAC service preparation
2 free tools
3D Printing
Calculate filament length, print cost, flow rate, resin volume and calibration values for 3D printing.
- filament planning
- print quoting
- calibration checks
2 free tools
Studio & Audio
Calculate room modes, wavelengths, speaker delay, BPM timing and audio setup values.
- studio setup
- speaker placement
- mix room troubleshooting
2 free tools
Woodworking
Calculate board feet, lumber cost, plywood sheets, cut lists and woodworking project quantities.
- lumber shopping
- project estimates
- cabinet and furniture planning
2 free tools
Router & Modem
Look up common router and modem light colors, blinking states and troubleshooting next steps.
- home internet troubleshooting
- support triage
- router setup checks
2 free tools
CNC & Machining
Estimate spindle RPM, chip load, feed rate, tap drill sizes and machining reference values.
- CNC setup
- manual machining checks
- shop reference calculations
2 free tools
Video Storage
Estimate recording time, file size, SD card capacity and bitrate storage for video workflows.
- camera card planning
- drive capacity estimates
- shoot preparation
2 free tools
Sewing & Upholstery
Estimate curtain fabric, upholstery yardage, cushions, quilt backing and sewing material quantities.
- curtain projects
- upholstery estimates
- sewing material planning
6 free tools
Text & Writing
Count, clean, compare, deduplicate and convert text free with private browser tools for writers, editors, marketers and developers.
- SEO and social copy
- presentation scripts
- lists, drafts and CMS content
8 free tools
Social Media
Format captions, generate hashtags, preview posts and check permitted media links for Pinterest, YouTube, TikTok, Facebook and X.
- creator publishing workflows
- campaign caption preparation
- cross-platform post checks
11 free tools
Developer & Tech
Format JSON, inspect JWTs, test regex and SMTP settings, or download permitted public websites with focused free developer tools.
- API and email debugging
- data encoding and inspection
- permitted offline website archives
8 free tools
Design & Share
Convert and edit PDFs, create presentations, view flipbooks, pick image colors and generate palettes with free browser tools.
- document conversion and editing
- fast slide creation
- brand and interface color work