Timbrica Online Tools — Page 6

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

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

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 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.

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

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

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

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

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

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

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

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

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

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

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

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.