Timbrica Online Tools — Page 6

Free online GIF compressor.

Convert video to animated GIF. Set duration, frame rate, size, and quality. Free, runs in browser.

Free online GIF trimmer with automatic perfect loop detection. Cut GIF by frames, reverse, bounce, adjust speed. Lossless trim via gifsicle.

Build and simulate electronic circuits in your browser. Drag-and-drop components, draw wires, real DC 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.

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

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

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 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.

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

Identify an unknown battery from its size: AA, AAA, CR2032, 18650, LR44 and more. Printable 1:1 gauge plus screen ruler. Free.

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

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

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

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

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

Hourglass timer with realistic flowing sand physics. Set any duration, flip to restart, focus and meditation presets. Free, in your browser.

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

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

Convert Unix timestamps to ISO 8601, UTC, RFC 2822 and relative time, or any date back to epoch seconds. Batch mode and live counter. Free.

Free online timer with multiple labeled countdowns, Pomodoro and HIIT interval modes, fullscreen and alarm sounds. Works right in your browser.

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

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

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

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

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

Free viewing distance calculator for TVs and projectors. Resolution-aware (1080p / 4K / 8K). THX, SMPTE and 4K-resolvable distances.

Free projector ANSI lumens calculator. Inputs: screen size, ambient light, screen gain, SDR/HDR. Get the brightness you need.

Free interactive projector vs TV comparison. Inputs: budget, room lighting, distance, use case. Get a clear recommendation with side-by-side breakdown.

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

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

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

Free phone-camera-based projector image analyzer. Live RGB histogram, white balance, uniformity score, clipping detection.

Free fullscreen projector focus test patterns: grid, crosshatch, corner crosshairs, Siemens star, sharpness text. For any projector.

Free fullscreen 3D test patterns for projector calibration: anaglyph (red/cyan), L/R separation, depth, crosstalk and convergence.

Free fullscreen HDR test patterns for projector calibration. PQ EOTF steps, clipping check, peak white, near-black, Rec.709/2020 colour gamut.

Free edge-blending pattern for multi-projector setups. Soft-edge gradient overlap with adjustable percentage and gamma curve.

Free DIY projector screen paint calculator. Recommended Behr / Sherwin-Williams colour for your room lighting plus quantity needed.

Free fullscreen projector run-in cycle for new LCD/DLP units. Auto-cycles colours, gradients and motion to equalise panel response.

Free projector gamma calibration patterns. 1.8 / 2.2 / 2.4 / BT.1886 with side-by-side reference for visual gamma matching.

Free projector fan noise meter. Microphone-based dB(A) measurement with peak/avg/min and reference levels (whisper, library, fridge).

Free fullscreen alignment grid for projector keystone, lens shift and geometry calibration. Adjustable spacing, line thickness, edge markers.

Check Russian and English punctuation, commas and spelling online. Explains the rule behind every error and fixes it in one click. Free.

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