Timbrica Online Tools — Page 5
Electronics Calculators & Tools
Wire Gauge Calculator (AWG)
Calculate wire gauge by current and distance. AWG/mm² converter, voltage drop, ampacity tables, copper/aluminum. Free.
PCB Trace Width Calculator
Calculate PCB trace width by current using IPC-2221. Internal/external layers, voltage drop, resistance, copper weight presets. Free.
Ohms Law Calculator
Calculate voltage, current, resistance, and power with interactive Ohm's Law wheel. Visual circuit diagram, unit auto-conversion, presets. Free.
Voltage Divider Calculator
Calculate voltage divider output with R1/R2, load effects, E24 matching, tolerance range, power dissipation. Interactive schematic. Free.
LED Resistor Calculator
Calculate the resistor needed for any LED. Supply voltage, LED color presets, series/parallel arrays, power warnings, E24 matching. Free.
Text Tools
Punctuation & Spell Checker
Free punctuation and spell checker for 7 languages. Auto-detects language, finds comma and spelling errors, explains rules. One-click fix.
Word Counter
Free word counter with readability scores, keyword density, social media limits. Count words, characters, sentences in real time.
Text Formatter
Free text formatter with 60+ operations: case conversion, cleaning, encoding, find & replace, fancy Unicode text. Works in browser.
Number to Words
Convert numbers to words in 7 languages with perfect grammar. Currency, ordinals, cheque mode — free, in your browser.
World Alphabets
Hear how letters sound in 12 languages. Russian, Arabic, Korean, Japanese, Hindi, Greek, Hebrew. Click to pronounce. Free.
Keyboard Layout Converter
Fix text typed in the wrong keyboard layout. 12 layouts: QWERTY, Cyrillic, Korean, Arabic and more. Auto-detection, free.
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Time Blindness Helper
Free visual time awareness tool for ADHD time blindness. See elapsed time, remaining time, and countdowns with color-coded visual representation.
Online Clock
Free online clock with 6 types: digital, analog, Roman numeral, binary, sundial, and flip. Learn to read each clock. Timezone support. Free.
Countdown to Date
Free countdown timer to any event: wedding, birthday, New Year, deadline. 4 themes, full-screen, shareable link. Free, in-browser.
Online Chess Clock
Free online chess clock for two players on one device: Bullet, Blitz, Rapid, Classical presets + Fischer, Bronstein, delay. Free, in-browser.
Moment of Silence
Free moment of silence timer with virtual candle, ambient sounds, and personalization. Honor someone's memory in your browser.
Military Time Converter
Free military time converter: 24-hour ↔ 12-hour AM/PM with live sync, batch mode and reference chart. Free, in-browser.
Kitchen Timer
Free online kitchen timer with up to 6 simultaneous timers. Presets for eggs, pasta, rice, meat, baking. Sound alerts. Free.
Watch Battery Finder
Watch battery finder: search Casio, Seiko, Citizen, Timex by model → exact battery (CR2016, SR626SW, etc.) + full size chart. Free.
Image Tools
Social Media Photo Resizer
Resize photos for Instagram, TikTok, Facebook, YouTube, and 8 more platforms. Smart crop, blur background fill, batch all sizes, ZIP download. Free.
HEIC to JPG Converter
Convert HEIC to JPG, PNG, or WebP in your browser. Batch 100+ files, auto-rename by date, quality slider. Free, private.
Household Tools
Recipe Scaler
Free recipe scaler. Paste ingredients, change servings — quantities adjust automatically with smart fractions. Free.
Cleaning Schedule
Free cleaning schedule generator. Select rooms, assign tasks, set frequency. Print checklist or track progress. Free.
Household Budget
Free household budget tracker. Track income, expenses by category, view charts, analyze spending with 50/30/20 rule. Free.
Kitchen Converter
Free kitchen unit converter with ingredient density. Convert cups to grams, tablespoons to ml, °C to °F. 50+ ingredients. Free.
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Qibla Finder
Find the qibla direction from your location. Live mobile compass, exact bearing to the Kaaba, and distance to Mecca. Free and accurate.
Hijri Converter
Convert Gregorian dates to Hijri and back. Today's Islamic date, monthly Hijri calendar, and highlighted Muslim holidays. Free.
Prayer Times
Accurate prayer times for any city: Fajr, Dhuhr, Asr, Maghrib, Isha, Sunrise. Multiple calculation methods, Hanafi/Shafi Asr, live countdown. Free.
Digital Tasbih
Free digital tasbih counter with preset dhikrs (SubhanAllah, Alhamdulillah, Allahu Akbar), custom targets, vibration, and progress tracking. Works offline.
Zakat Calculator
Calculate your zakat al-mal online: cash, gold, silver, investments, business assets. Nisab in any currency. Free and accurate.
3D Printing Tools
Gridfinity Bin & Baseplate Generator
Generate Gridfinity-compatible bins and baseplates as STL — fully parametric, magnet holes, configurable height. Free, browser-based.
G-code Viewer Online
Preview 3D printer G-code online — layer-by-layer toolpath, time & filament estimates. Works with Cura, PrusaSlicer, OrcaSlicer. Free.
Lithophane Generator
Turn any photo into a 3D lithophane STL — flat or curved, adjustable thickness, contrast, brightness. Free, runs in your browser.
Filament Length ↔ Weight Converter
Convert 3D printing filament length to weight and back for 20+ materials — PLA, PETG, ABS, TPU, Nylon, carbon-fibre blends. Free.
Calibration Cube Generator
Generate custom XYZ calibration cubes, retraction and flow-rate test STLs for any 3D printer. Parametric, browser-based, free.
3D Print Cost Calculator
Estimate 3D print cost from STL — filament weight, electricity, wear & profit margin. 20+ material presets, local STL parsing. Free.
Temperature Tower Generator
Generate a custom temperature tower STL + G-code with M104 commands per segment. Tune PLA, PETG, ABS, TPU hotend temperature. Free.
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Spectrogram Lab
Online spectrogram for bioacoustics: bird songs, bat echolocation, whale calls. Measure, annotate, filter, export. Free, in browser.
Cell Counter
Browser-based cell counter. Auto-detect cells in microscopy images, count colonies, measure area, analyze fluorescence. Free.
DNA Analyzer
Free browser-based DNA/RNA analysis: reverse complement, 6-frame translation, ORF finder, restriction sites, primer checks, codon usage.
Gel Analyzer
Free gel electrophoresis analyzer. Auto lane & band detection, molecular weight from 20+ built-in ladders, densitometry, CSV export.
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Date Difference Calculator
Free date calculator: days between two dates, weeks, months, working days (minus holidays), plus add or subtract days. Free, in-browser.
Percentage Calculator
Free percentage calculator — percent of a number, percent change, increase, decrease, discount, tip, VAT, markup. Natural-language input.
Watch Size Calculator
Free watch size calculator: wrist circumference → ideal case diameter, lug-to-lug and strap width, with wrist visualisation. Free, in-browser.
Ring Size Calculator
Ring size calculator with direct, detective and AR try-on modes. Convert US, UK, EU, JP, RU sizes. Free.