Timbrica Audio Tools — Page 2

Free online vocal range test. Sing into your microphone and discover your voice type — Bass, Baritone, Tenor, Contralto, Mezzo-Soprano, or Soprano.

Free online text-to-speech with natural Microsoft Neural voices in 30+ languages. Auto language detection, speed & pitch control, word stress markup.

Add a megaphone, bullhorn or walkie-talkie effect to any audio file — free, in your browser. Adjust drive, tone and echo.

View, edit and remove audio metadata online. Strip ID3 tags, change title/artist/album, replace cover art. Supports MP3, FLAC, OGG, WAV, M4A. 100% browser-based — files never leave your device.

Free online AI audio detector with 12 heuristic methods. Analyze any audio file to determine if it was generated by AI (Suno, Udio, ElevenLabs).

Free online audio file inspector. Extract every detail: metadata, ID3 tags, bitrate, codec, encoder, album art, waveform, spectrogram, stereo analysis.

Free online BPM and key detector: find tempo, musical key, Camelot notation, time signature and energy of any song.

Embed an invisible watermark in your audio to prove ownership. Survives compression, conversion, and editing. Free audio watermarking tool.

Free tool to stop Bluetooth speakers, headphones, and car audio from disconnecting. Plays an inaudible keep-alive signal in your browser.

Free online walkie-talkie with push-to-talk — no download, no sign-up. Talk in groups up to 5 directly in your browser.

Share your GPS location instantly with an interactive map, compass, QR code, and 5 coordinate formats. Real-time tracking, sunrise/sunset, Plus Codes, movement tracker — 100% browser-based.

Turn any device into a security camera. P2P video surveillance with motion detection, email alerts, segment recording, two-way audio. Free, no sign-up, no cloud.

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

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. Based on SAGE, MoCA, and Mini-Cog protocols.

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

Free anxiety tracker and mood diary. Log your anxiety level, triggers, and what helps. See patterns over time with weekly and monthly charts.

Take a free, scientifically-designed IQ test with adaptive difficulty. Measures fluid intelligence through progressive matrices, spatial reasoning, pattern recognition, and working memory. Get your IQ score with confidence interval.

Free online memory game for brain training. Match pairs of cards, track your progress, and improve your memory with adjustable difficulty levels.

Play the classic snake game online for free. 4 game modes, 4 difficulty levels, power-ups, beautiful themes, and smooth 60fps graphics. Works on desktop and mobile.

Play the maze game online for free. Navigate procedurally generated labyrinths with 4 difficulty levels, fog of war, collectible coins, and enemies. Desktop and mobile.

Play Sokoban online for free. Push boxes onto goals in 155 hand-crafted puzzle levels. Undo, move counter, star ratings. Desktop and mobile.

Play the classic sliding puzzle online for free. Arrange numbered tiles in order by sliding them into the empty space. 3x3, 4x4, and 5x5 grids with move counter and timer.

Play 2048 online for free. Slide and merge number tiles to reach 2048. Track your score, beat your best, and keep going beyond 2048. Works on desktop and mobile.

Play Lights Out puzzle game online for free. Toggle lights to turn them all off. 20 levels, random mode, move counter. Works on desktop and mobile.

Play nonogram puzzles online for free. Fill cells using row and column clues to reveal hidden pictures. 20+ puzzles in 3 difficulty levels. No download required.

Play free volleyball game online. 3 modes: vs AI, local 2 players on one keyboard, or online multiplayer with friends via link. Power-ups, 3 difficulty levels, mobile-friendly.

10 browser games for cats: laser dot, mouse hunt, fish pond, bug chase, string & yarn, bird watch, whack-a-mole, ant colony, bubble pop, firefly night. Cat vision palette. Free.

Free online Morse code generator. Type text, hear it as Morse code audio, and download in MP3 or WAV format. Signal lamp for visual practice.

Free online Morse code decoder. Decode dots and dashes to text, decode audio from microphone or file, and practice keying with an interactive Morse key.

Convert MIDI files to MP3 or WAV online. Play and preview MIDI music in browser. Free, no upload to server.

Free online ultrasonic dog repellent: emergency anti-dog sound generator with frequency sweep 15-22 kHz. Silent mode, loud siren, and maximum power. Works on any device.

Free online tool to keep your screen on and prevent it from sleeping. Timer up to 10 years or forever mode. No installation, works in any browser.

Free online dog whistle: training commands (recall, sit, stop), silent whistle, bark deterrent, and calming tones. Adjustable frequency 100 Hz–22 kHz. Safe and science-based.

Free online alarm clock with 12 alarm sounds, snooze, math puzzle to dismiss, countdown timer, stopwatch, Pomodoro, world clock. Keep screen awake. Works in your browser.

Free online drawing tool for kids with brushes, stamps, pixel art mode, 120+ shapes, and color palette. No download — draw, paint, and create in your browser.

Free online mirror using your camera. Zoom, adjust brightness, flip view, fullscreen mode, screenshot, Picture-in-Picture, night mode, grid overlay. Works on phones, tablets, laptops — 100% private.

Free online cockroach repellent with anti-habituation ultrasonic technology. Frequency sweep 15-22 kHz to deter cockroaches. 3 modes, 4 patterns, vibration mode, session timer. In-browser, no download.

Free online ultrasonic rodent repellent with anti-habituation technology. Frequency sweep 15-22 kHz to repel mice and rats. 3 modes, 4 patterns, session timer. In-browser, no download.

Free QR code generator with 9 content types, 6 dot styles, gradients, logo upload, batch generation, and QR scanner. Export as PNG, SVG, JPEG, PDF. No signup required.

Free online voice recorder. Record from microphone or capture system audio directly in your browser.

Record your screen, browser tab, or window directly in the browser. Free, no download, no sign-up. Add microphone audio, pause/resume, and download as WebM.