Edit text in place, sign, redact, reorganize. True content-stream rewrite, not stamp-on-top.
LaunchEdit, sign, redact, and reorganize PDF files in your browser. The Adobe Acrobat alternative that runs on your device — no upload, no subscription.
Pixel-perfect PDF diff with word-level text view, metadata + form-field compare, ruler, and exclusion zones.
LaunchSide-by-side or overlay PDF diff with a document-type selector — Document (contracts, reports), AEC / Blueprint (drawings, schematics), or Image-Scan. Highlights pixel-level differences plus a word-level text diff in a modal.
Open any PCB Gerber bundle in your browser. Gerber X2, Excellon, layer compare, snap-to-pad measure, snapshot URLs.
LaunchOpen RS-274X / X2 Gerber and Excellon files. Inspect layers, measure traces, export to PNG / SVG / DXF.
Compress, merge, split, convert, and manipulate PDF files.
Resize, compress, convert, and transform images.
Format, encode, decode, and validate code and data — safe for production secrets.
Convert, compress, and cut audio and video — MP3, WAV, MP4, WebM, Opus — all in your browser, nothing uploads.
Sourdough baker math, canning processing times — kitchen math you should not memorize.
AES-256 file encryption and self-destructing encrypted notes.
Analyze packet captures and run sysadmin diagnostics in your browser — nothing uploads. PCAP Analyzer ships first.
Chart-overlay technical analysis and precision financial math — your screenshots and numbers never leave your device.
Open CAD, BIM, medical, and enterprise files without paying $300-30K/year for the native software. Gerber Viewer ships first.
Pull the audio track from MP4, WebM, MOV, MKV, or AVI and save it as MP3 or WAV. Runs in your browser — no upload, no watermark, no account needed. Batch extract multiple videos at once.
MP4, WebM, MOV (QuickTime), MKV (Matroska), and AVI. Files up to 500 MB are accepted.
MP3 (lossy, 96–320 kbps via lamejs) or WAV (lossless 16-bit PCM). MP3 is the default and works everywhere. Choose WAV if you need a lossless copy for further editing.
No. Everything runs in your browser. The video is demuxed using mediabunny and the audio is re-encoded using the Web Audio API and a local MP3 encoder. No data leaves your device.
The tool detects this before processing and shows a clear error message. No partial output is created.
Yes. Drop multiple files or use the file picker to select a batch. Results are packaged as a ZIP you download in one click.
