Tembrica Online Tools — Page 4

Menstrual cycle calendar that predicts your next period and ovulation as a range, not one date. Works with irregular cycles. Exports to ICS.

View, edit and remove audio metadata online. Strip ID3 tags, change title/artist/album, replace cover art. Supports MP3, FLAC, OGG, WAV, M4A.

Convert audio to notes, MIDI, and sheet music. AI-powered transcription with piano roll visualization. In your browser.

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

Free online audio file inspector.

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

Online tool to detect music genre, mood and instruments. Get top matches with confidence scores, plus BPM and key. Browser-based.

Analyze audio for signs of editing, splicing, or AI generation. Spectrogram analysis, noise floor check, compression artifacts.

Detect splices, cuts and edits in audio recordings. 6 forensic signals: spectral flux, noise floor, ENF, pitch, MFCC, clicks. Free.

Convert sheet music photos or PDFs into playable MIDI and MusicXML. Verify with synced playback. In your browser.

Compare two audio files side-by-side: LUFS, spectrum, dynamic range, ABX blind test. See which sounds better and why. Free.

Slow any sound down to 500x without changing pitch and inspect it under a live spectrogram with note and frequency readout. Free.

Convert Guitar Pro (GP3-GP7, GPX) and MusicXML tabs to MIDI in your browser. Pick tracks, preview, and download.

Inspect any video file in your browser: codec, resolution, real bitrate, HDR, color, audio tracks and platform-readiness checks. Free.

Compare your track to a reference: LUFS, spectrum, dynamics, stereo, and precise fixes to close the gap in your mix. In your browser.

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

White noise generator with 45 sounds: rain, ocean, fan, fireplace, binaural beats and more. Mix sounds, set sleep timer, export to MP3/WAV.

Upload audio and hear it in 60+ environments — cave, underwater, space, phone, radio, vinyl, haunted house and more. Browser-based tool.

Generate loud, creepy sounds online — scream, alarm, siren, horror drone and more. Boost your audio files up to 400% volume.

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

Binaural beats generator: Delta, Theta, Alpha, Beta, Gamma frequencies for sleep, meditation, focus and relaxation.

Silence generator: create silent ringtones for iPhone (M4R) and Android (MP3), blank audio tracks, comfort noise files.

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

Free bird deterrent sound generator with 8 modes: synthesized predator cries, distress calls, alarm bursts, and frequency sweeps in the 1–5 kHz range.

Online isochronic tones generator with 10 presets, frequency ramps, and anti-habituation. No headphones needed.

Online tone generator: sine, square, triangle, sawtooth. Multi-oscillator, frequency sweep, DTMF keypad, WAV export.

Generate custom doorbell sounds, chimes, and melodies online. 35 presets in 7 categories, custom synthesizer, melody composer.

Generate alarm sounds, notification tones, sirens, and alert beeps online.

Online ultrasonic rodent repellent with anti-habituation technology. Frequency sweep 15-22 kHz to repel mice and rats.

Free online cockroach repellent with anti-habituation ultrasonic technology. Frequency sweep 15-22 kHz to deter cockroaches.

Generate ultrasonic frequencies up to 48 kHz. Real-time spectrum analyzer, frequency sweep, animal hearing reference. Free.

DTMF generator and decoder online. 4×4 keypad with A-D, sequence player, mic decoder, call-progress tones for 6 regions, WAV/MP3 export.

Free online Morse code decoder.

Record your screen, browser tab, or window directly in the browser. Free, no download, no sign-up.

Free online mirror using your camera. Zoom, adjust brightness, flip view, fullscreen mode, screenshot, Picture-in-Picture, night mode, grid overlay.

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

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.

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

Scan QR, EAN, DataMatrix, PDF417 and 13 more formats. Decodes GS1 codes, VIN, boarding passes, vCards, ISBN books. Free, in browser.

Hide secret messages, files or images inside pictures. AES-256 encryption, capacity calculator, detectability analysis. In browser.

Digital bubble level using your phone's motion sensors. Surface, inclinometer, plumb and camera AR modes. Calibration, sound, haptic. Free.

Securely erase files from USB drives in your browser. Multi-pass overwrite with random data — DoD, Gutmann standards. No software to install. Free.

Convert BIN/CUE to ISO online. Auto-detects MODE1/2 sector layouts, extracts CD-DA audio as WAV, parses multi-track cuesheets. Free.

Find the perfect name for your dog, cat, parrot, hamster or any pet. Filter by gender, style and popularity. 1400+ curated names. Free.

Free encrypted vault — private diary with chapters, password manager, and file safe. AES-256-GCM encryption via Web Crypto API.

Measure angles on photos or on your screen. Transparent overlay, 3-point angle, mm calibration, export. Handy for builders and carpenters.

Build numbered event tickets with QR codes, print up to thousands at once, then scan them at the door to check guests in. Free, in your browser.

Register your e-bike for a free ownership passport, or check a frame number against the stolen-bike registry before you buy. Free.

Free online flashlight with 7 modes: steady light, strobe, SOS, Morse code, countdown flash, ambient lamp, selfie light.