Timbrica Online Tools — Page 5

Free color accessibility checker: test WCAG contrast ratio, simulate color blindness (protanopia, deuteranopia, tritanopia), and find accessible.

Search and learn sign language visually. Animated fingerspelling alphabet and common signs for ASL and other sign languages. Free.

Practice fingerspelling in 8 sign languages: ASL, BSL, RSL, DGS, LSF, ArSL, KSL, BISINDO. Interactive quizzes, speed rounds, spaced repetition.

Free voice-controlled browser navigation for people with motor disabilities. Scroll, click, and navigate using voice commands.

Free visual schedule and daily routine planner for autism and ADHD. Add tasks with icons, set timers, and track transitions.

Monitor loud sounds remotely. Get email alerts, record audio clips, view from another device. For deaf, baby monitoring, security. Free.

Free dyslexia-friendly reading tool with OpenDyslexic font, bionic reading, colored overlays, reading ruler, and text-to-speech with word.

Free live captions in your browser. See speech as text in real time — perfect for deaf and hard-of-hearing users. Large font, fullscreen, no sign-up.

Free reading ruler and color overlay tool for dyslexia and visual stress.

Navigate by sound with a 3D spatial audio compass. Volume control, pitch adjustment, haptic feedback, target bearing.

Free speech pacer tool for stuttering and speech fluency. Visual metronome to slow your speaking pace, breathing coordination, and recording playback.

Free online document reader that reads PDF, DOCX and TXT files aloud.

Build and simulate electronic circuits in your browser. Drag-and-drop components, animated current flow, voltage/current readouts. Free.

Decode resistor color bands to value or find colors by resistance. Supports 4/5/6 bands, tolerance, E-series. Interactive SVG. Free.

Decode SMD resistor and capacitor marking codes. Supports 3-digit, 4-digit, and EIA-96 systems. Reverse lookup by value. Free.

Calculate 555 timer frequency, duty cycle, and component values. Astable & monostable modes, waveform preview, reverse calculation. Free.

Decode 3-digit capacitor codes to pF/nF/µF values and back. Supports voltage ratings, tolerance codes, ceramic/film/electrolytic. Free.

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

Calculate wire gauge by current and distance. AWG/mm² converter, voltage drop, ampacity tables, copper/aluminum. 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 punctuation and spell checker for 7 languages. Auto-detects language, finds comma and spelling errors, explains rules. One-click fix.

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

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

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

Make Magic Eye autostereograms, anaglyph 3D, cross-eye and wiggle GIFs from a 100-preset gallery, your photo, depth map or text. Free, in browser.

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

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

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

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

Free online stopwatch with milliseconds, laps, splits, sparkline, CSV export and shareable link. Wake lock, voice cue, works offline.

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 projector test patterns for focus, color, geometry, contrast & convergence. Fullscreen, phone remote via QR. Calibrate any projector in your browser.

Free universal projector throw distance calculator. Throw ratio + screen size → distance, or distance → max screen. Works with any projector model.

Free fullscreen color-temperature test patterns for projector white-balance calibration. 2700K to 9300K including D65 reference.

Free fullscreen countdown timer for presentations, lectures and meetings. Huge digits readable from across the room. Audible cue at zero.

Free projector screen size calculator. Diagonal ↔ width × height for all aspect ratios, plus THX & SMPTE viewing-distance recommendations.

Free interactive speaker placement guide for stereo, 5.1, 7.1 and 7.1.4 Atmos home cinema systems. THX/Dolby angles, top-down room view.

Free audio-video sync test. Synchronised flash + click lets you record on phone and measure AVR delay in milliseconds.

Free bias light calculator. Length of LED strip + recommended brightness + colour temperature for any TV or projector screen.

Free projector total cost of ownership calculator. Lamp vs laser over 5+ years including replacement bulbs and electricity.