123RF vs AudioAlter

Side-by-side comparison · Updated October 2026

 123RF123RFAudioAlterAudioAlter
DescriptionThe AI Image Generator transforms your text descriptions into stunning, photorealistic visuals using advanced machine learning. It's perfect for artists, marketers, and creatives, offering an intuitive interface with a variety of models including SDXL, Eimis Anime, Open Journey, TurboVisionXL, RealVisXL 4.0, Portrait Plus, RealismEngine, Dreamshaper, DynaVisionXL, JuggernautXL, and DALL-E 3. Users can choose from premium, plus, or free options based on their needs, with everything from unlimited AI generations to limited capabilities for free users.AudioAlter is an online audio toolkit for changing a file's pitch, tempo, volume or format, reducing background noise, and applying effects such as reverb and stereo panning. It suits a focused edit when you do not need a full multitrack editor. A podcaster might start with Noise Reducer, a musician might transpose a practice track, and a video editor might convert a soundtrack before importing it into an editing project. Start by choosing the tool for the change you need. AudioAlter's help page lists MP3, WAV, FLAC and OGG uploads up to 50 MB. Choose a file, adjust the available controls, submit it for processing, then download and listen to the result. Its browser interface works through server uploads rather than keeping processing entirely on your device. Keep an original copy so you can compare the result and avoid accumulating changes you cannot undo. The Pitch Shifter moves the whole recording up or down by a selected amount, from minus 24 to plus 24 semitones, while maintaining tempo. Twelve semitones equals one octave. This is useful for transposing a practice track, but it is not automatic note-by-note pitch correction or an Auto-Tune replacement. Tempo Changer handles playback speed separately. The toolkit also offers an equalizer, bass booster, trimmer, reverse playback, BPM detection, waveform images and spectrogram images. The slowed-and-reverb and 8D presets combine effects for a particular sound; they do not create new recording rights. AudioAlter's explicitly free Vocal Remover uses OOPS stereo-channel subtraction. It attempts to cancel material shared between the left and right channels, which can reduce a centered vocal. It is different from learned AI source separation: mono recordings, off-center vocals and poor-quality sources may work badly, and centered instruments can disappear along with the voice. Use it for a vocal-reduced practice track and inspect the result before relying on it. AudioStrip is a relevant comparison when you need AI vocal and instrumental separation or a paid batch workflow. Noise Reducer applies automatic general noise reduction for voice recordings without detailed settings. Compare a processed excerpt with the original, checking whether speech remains clear and natural. No hands-on output-quality or speed measurement underlies this listing. For detailed restoration, multitrack editing or repeatable bulk processing, assess a dedicated editor instead; AudioAlter does not document a batch or API workflow here. The terms require users to be at least 16 and to hold the necessary rights to uploaded material. They say processed files are deleted within three hours after upload, sometimes earlier, and the help page says files are accessible through their direct download URLs. Download results promptly and treat those URLs as access to the file. The separate privacy policy identifies Cash Cow IT AB as the owner and data controller and describes analytics and other personal-data retention; the three-hour file rule does not mean every associated record is deleted then. Check project permissions before uploading confidential audio or publishing a processed recording.
CategoryImage GenerationAudio Editing
RatingNo reviewsNo reviews
PricingFreeFree option
Starting PriceFreeFree
Plans
  • PREMIUM — Pricing unavailable
  • PLUS — Pricing unavailable
  • FREE — Free
  • Vocal Remover — Free
Use Cases
  • Artists
  • Marketers
  • Graphic Designers
  • Content Creators
  • Podcasters
  • Musicians
  • Video Editors
  • Educators
Tags
AI Image Generatorphotorealistic visualsmachine learningartistsmarketers
online audio editingpitch shiftingvocal reductionnoise reductionaudio conversion
Features
Transforms text descriptions into photorealistic visuals
Intuitive user interface
Supports multiple advanced models
Options include Premium, Plus, and Free
Ideal for artists, marketers, and creatives
Includes SDXL, Eimis Anime, Open Journey, TurboVisionXL, RealVisXL 4.0, Portrait Plus, RealismEngine, Dreamshaper, DynaVisionXL, JuggernautXL, and DALL-E 3
Advanced machine learning
Versatile use cases
Professional quality results
Subscription options to fit different needs
Manual pitch shifting up to two octaves with tempo retained
Automatic noise reduction for voice recordings
Free OOPS stereo vocal reduction with source-dependent limitations
MP3, WAV, FLAC and OGG uploads up to 50 MB
Tempo, volume, equalizer, bass, reverb and stereo effects
Trimming, reverse playback and audio conversion
BPM detection, waveform images and spectrogram images
Slowed-and-reverb and 8D effect presets
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