Tembrica Online Tools — Page 3

Free online subwoofer test.

Complete phone display test: dead pixels, touch screen, backlight bleed, OLED burn-in, color accuracy, stuck pixel repair.

Free dead pixel test for any monitor, laptop, phone, or tablet. Detect dead, stuck & hot pixels with 21 test patterns.

Free CPS test to measure your clicks per second. Multiple modes: jitter, butterfly, Kohi. Configurable timers from 1 to 60 seconds. Free.

Online GPU benchmark using WebGL. Stress test your graphics card with particles, 3D geometry, and shaders. Score 0–10000.

Free online keyboard tester. Check every key, detect ghosting, measure latency, test typing speed, and find stuck or chattering keys.

Free online battery checker. Monitor battery level, charging status, discharge rate, and time remaining in real time.

Free browser-based phone benchmark — CPU, GPU, RAM, display, battery score 0-100 with grade S to F. No app download. Compare with others.

Test your microphone for noise problems: hum, hiss, crackle, rumble, interference.

Free online gamepad tester. Check buttons, joysticks, triggers, stick drift and vibration for Xbox, PlayStation and generic controllers.

Test your USB flash drive for fake capacity. Browser-based h2testw alternative detects counterfeit drives and measures real storage. Free, no install.

Free browser-based CPU benchmark. Single-thread and multi-thread tests with Web Workers. Stress test mode. No downloads required. Free.

Free typing speed test to measure WPM, CPM, and accuracy. Timed modes: 15s, 30s, 60s, 120s. Real-time stats and history. Free, in browser.

Test your phone's gyroscope and accelerometer. 3D cube, spirit level, real-time graphs, accuracy scoring, CSV export.

Test your touchscreen: multitouch count, dead zones, ghost touch detection, latency and pressure. Works on any device. Free.

Free HDR display test. Check HDR support, color gamut, peak brightness, tone mapping and get your HDR score.

Free online printer test for any printer type. Check colors, nozzles, text sharpness, grayscale, alignment.

Test Bluetooth headphones, speakers, and microphones. Measure latency, check stereo, test bass, analyze mic quality. Free, in browser.

Measure your mouse polling rate in Hz with a live graph and 125–8000 Hz reference lines. Click duration is shown alongside. Runs in the browser, free.

Free monitor color accuracy, gamma 2.2, and contrast test. Check gradients, grayscale, and color depth in your browser.

Test all mouse buttons, scroll wheel, double-click speed, and drag tracking. Visual mouse diagram with instant feedback. Free, in browser.

Free pre-purchase VR readiness check: stereo vision, motion sickness risk, IPD via webcam, eye dominance, headset match. Free, in-browser.

Check if your PC, phone or browser can run VR. WebXR, GPU, CPU, RAM, sensors, bandwidth — and which headsets match. In-browser.

Free diagnostic for VR headset owners. Opens in Quest Browser, Wolvic, Vision Pro Safari. Tests FOV, tracking, dead pixels, audio. Free, in-browser.

Check which audio and video codecs your browser supports — H.264, H.265, AV1, VP9, Opus, AAC, FLAC. Free, in your browser.

Test your phone keyboard online: spot autocorrect, wrong or missing letters and lag, with an iPhone & Android fix guide. Free.

Take a free, scientifically-designed IQ test with adaptive difficulty.

Free cognitive function screening: attention, memory, reaction time, and spatial reasoning tests. Track your results over time.

Free comprehensive dementia screening test. Assess memory, attention, orientation, visuospatial skills, and reaction time.

Free breathing exercise tool with 8 techniques: Box Breathing, 4-7-8, Wim Hof, Coherent, Physiological Sigh and more.

Free online dyslexia screening test with 5 assessments: reading speed, letter reversal, phonological awareness, word recognition, and visual tracking.

Free comprehensive autism screening test based on RAADS-R, AQ-10, and CAT-Q.

Free online colorblind simulator. Upload any image to see how it looks with protanopia, deuteranopia, tritanopia, or achromatopsia.

Free clinically validated depression screening with PHQ-9, GAD-7 and DASS-21. Mood tracker, wellness toolkit, PDF report. Private, in browser.

Free colorblind camera filter: simulate how colorblind people see (for designers) or enhance colors for colorblind users (Daltonize).

Generate color palettes that are distinguishable for all types of color vision deficiency.

Free anxiety tracker and mood journal. Log your anxiety level, triggers and what helps, and see patterns in weekly and monthly charts.

Free neuro test with 7 scientific assessments. Check your mental speed, attention, logic, memory, and problem-solving ability.

Hearing test with PTAn audiometry, speech-in-noise, gap detection & adaptive algorithms.

Free online color identifier for colorblind people. Use your camera, upload an image, or enter hex/RGB values.

Free emergency panic button for panic attacks and severe anxiety. One tap starts guided breathing with calming voice.

Free virtual sensory room for calming and self-regulation. Interactive visual stims: lava lamp, aurora, particles, rain. Ambient soundscapes.

Smart day planner: 10 templates, calendar, reminders, mini-window. Keeps ticking in background. Free, in your browser.

Record and analyze snoring overnight. Get a Snore Score, flag apnea-like events, track trends. No install.

Free comprehensive eye test with 8 vision tests: visual acuity (Landolt C), near vision, astigmatism, color vision, contrast sensitivity, Amsler.

Measure your pupillary distance (PD) for ordering glasses. Take a selfie with a bank card for scale and read your PD in mm. Free.

Estimate your pregnancy due date from your last period or conception date — with gestational age, trimester and days to go. Free.

Free online color blindness test: scientific Ishihara plates, Farnsworth D-15 and confusion-line screening. Detect protan, deutan, tritan.

Free adult ADHD test based on the WHO ASRS-v1.1. A 6-question screener with an instant result, plus the full 18-item checklist. Not a diagnosis.

Free tinnitus test: match the frequency of your ringing, find masking noise that covers it, and check the impact. Headphones recommended.