Free browser-based audio tools for finding and changing song key and BPM
GIF tools that run in your browser with no upload, sign-up, watermark or file size limits
Stage
Not given
Established
Founded
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2007
Based in
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Not given
Pricing model
Freemium
Free
Pricing
Free plan includes Key & BPM Finder and Changer, Audio Cutter and Joiner, BPM Tapper and Metronome, Voice Recorder, and local processing tools with files saved for 6 hours. Plus plan: $9.90/month with 1,000 credits per month and files saved for 7 days. Pro plan: $19.90/month with 2,500 credits per m
Not given
Key features
Detect song tempo, musical key, scale and Camelot code
Change key and BPM independently and export as WAV
Cut and join audio segments
Record voice and tap beat timing
Practice with online metronome
Remove vocals from songs
Split songs into instrument stems
Enhance audio quality with AI
Convert audio to editable MIDI
Convert video to GIF with trim, width and frame rate controls
Compress GIFs to meet platform size limits
Resize GIFs by exact pixels or percentage
Convert GIF to MP4
Crop GIFs to remove empty space or reframe
Add text to GIFs with caption options
Convert MP4 to GIF directly from phone or screen recording
Platform-specific presets for Discord, Slack, Twitch and WhatsApp
Generate shareable links for converted files
Local processing with no server uploads
What makes it different
Process audio locally in browser without uploading to servers
No file storage or account required for free tools
All free tools with privacy-first design
Direct export from browser without server processing
All processing happens in your browser—files never upload to a server unless you request a shareable link
No file size limits or frame caps, only constrained by your computer's memory
Presets automatically configure output for specific platforms and their technical limits
Rebuilt in 2026 for modern browsers using FFmpeg WebAssembly technology
Key & BPM Lab
GIFUP