Timbrica Online Tools — Page 5

Calculate wire gauge by current and distance. AWG/mm² converter, voltage drop, ampacity tables, copper/aluminum. Free.

Calculate PCB trace width by current using IPC-2221. Internal/external layers, voltage drop, resistance, copper weight presets. Free.

Calculate voltage, current, resistance, and power with interactive Ohm's Law wheel. Visual circuit diagram, unit auto-conversion, presets. Free.

Calculate voltage divider output with R1/R2, load effects, E24 matching, tolerance range, power dissipation. Interactive schematic. Free.

Calculate the resistor needed for any LED. Supply voltage, LED color presets, series/parallel arrays, power warnings, E24 matching. Free.

Free online drawing tool for kids with brushes, stamps, pixel art mode, 120+ shapes, and color palette.

Real-time positions of the Sun, Moon, planets and constellations. Milky Way band, meteors, satellites — auto-updates every 5 minutes. Free.

Free punctuation and spell checker for 7 languages. Auto-detects language, finds comma and spelling errors, explains rules. One-click fix.

Free word counter with readability scores, keyword density, social media limits. Count words, characters, sentences in real time.

Free text formatter with 60+ operations: case conversion, cleaning, encoding, find & replace, fancy Unicode text. Works in browser.

Convert numbers to words in 7 languages with perfect grammar. Currency, ordinals, cheque mode — free, in your browser.

Hear how letters sound in 12 languages. Russian, Arabic, Korean, Japanese, Hindi, Greek, Hebrew. Click to pronounce. Free.

Fix text typed in the wrong keyboard layout. 12 layouts: QWERTY, Cyrillic, Korean, Arabic and more. Auto-detection, free.

Free visual time awareness tool for ADHD time blindness. See elapsed time, remaining time, and countdowns with color-coded visual representation.

Free online clock with 6 types: digital, analog, Roman numeral, binary, sundial, and flip. Learn to read each clock. Timezone support. Free.

Free countdown timer to any event: wedding, birthday, New Year, deadline. 4 themes, full-screen, shareable link. Free, in-browser.

Free online chess clock for two players on one device: Bullet, Blitz, Rapid, Classical presets + Fischer, Bronstein, delay. Free, in-browser.

Free moment of silence timer with virtual candle, ambient sounds, and personalization. Honor someone's memory in your browser.

Free military time converter: 24-hour ↔ 12-hour AM/PM with live sync, batch mode and reference chart. Free, in-browser.

Free online kitchen timer with up to 6 simultaneous timers. Presets for eggs, pasta, rice, meat, baking. Sound alerts. Free.

Watch battery finder: search Casio, Seiko, Citizen, Timex by model → exact battery (CR2016, SR626SW, etc.) + full size chart. Free.

Resize photos for Instagram, TikTok, Facebook, YouTube, and 8 more platforms. Smart crop, blur background fill, batch all sizes, ZIP download. Free.

Convert HEIC to JPG, PNG, or WebP in your browser. Batch 100+ files, auto-rename by date, quality slider. Free, private.

Free recipe scaler. Paste ingredients, change servings — quantities adjust automatically with smart fractions. Free.

Free cleaning schedule generator. Select rooms, assign tasks, set frequency. Print checklist or track progress. Free.

Free household budget tracker. Track income, expenses by category, view charts, analyze spending with 50/30/20 rule. Free.

Free kitchen unit converter with ingredient density. Convert cups to grams, tablespoons to ml, °C to °F. 50+ ingredients. Free.

Find the qibla direction from your location. Live mobile compass, exact bearing to the Kaaba, and distance to Mecca. Free and accurate.

Convert Gregorian dates to Hijri and back. Today's Islamic date, monthly Hijri calendar, and highlighted Muslim holidays. Free.

Accurate prayer times for any city: Fajr, Dhuhr, Asr, Maghrib, Isha, Sunrise. Multiple calculation methods, Hanafi/Shafi Asr, live countdown. Free.

Free digital tasbih counter with preset dhikrs (SubhanAllah, Alhamdulillah, Allahu Akbar), custom targets, vibration, and progress tracking. Works offline.

Calculate your zakat al-mal online: cash, gold, silver, investments, business assets. Nisab in any currency. Free and accurate.

Generate Gridfinity-compatible bins and baseplates as STL — fully parametric, magnet holes, configurable height. Free, browser-based.

Preview 3D printer G-code online — layer-by-layer toolpath, time & filament estimates. Works with Cura, PrusaSlicer, OrcaSlicer. Free.

Turn any photo into a 3D lithophane STL — flat or curved, adjustable thickness, contrast, brightness. Free, runs in your browser.

Convert 3D printing filament length to weight and back for 20+ materials — PLA, PETG, ABS, TPU, Nylon, carbon-fibre blends. Free.

Generate custom XYZ calibration cubes, retraction and flow-rate test STLs for any 3D printer. Parametric, browser-based, free.

Estimate 3D print cost from STL — filament weight, electricity, wear & profit margin. 20+ material presets, local STL parsing. Free.

Generate a custom temperature tower STL + G-code with M104 commands per segment. Tune PLA, PETG, ABS, TPU hotend temperature. Free.

Online spectrogram for bioacoustics: bird songs, bat echolocation, whale calls. Measure, annotate, filter, export. Free, in browser.

Browser-based cell counter. Auto-detect cells in microscopy images, count colonies, measure area, analyze fluorescence. Free.

Free browser-based DNA/RNA analysis: reverse complement, 6-frame translation, ORF finder, restriction sites, primer checks, codon usage.

Free gel electrophoresis analyzer. Auto lane & band detection, molecular weight from 20+ built-in ladders, densitometry, CSV export.

Free date calculator: days between two dates, weeks, months, working days (minus holidays), plus add or subtract days. Free, in-browser.

Free percentage calculator — percent of a number, percent change, increase, decrease, discount, tip, VAT, markup. Natural-language input.

Free watch size calculator: wrist circumference → ideal case diameter, lug-to-lug and strap width, with wrist visualisation. Free, in-browser.

Ring size calculator with direct, detective and AR try-on modes. Convert US, UK, EU, JP, RU sizes. Free.