Guides & How-tos
How to Fix Common File Conversion Failures
Diagnose unsupported inputs, corrupt containers, memory limits, codec failures, and outputs that validate but do not meet the destination's needs.
Guides & How-tos
Step-by-step walkthroughs for converting and compressing files privately in your browser.
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Guides & How-tos
How to Choose File Compression Quality Without Guessing
Choose practical image, video, audio, PDF, and package compression settings by starting with the destination, measuring the result, and checking visible quality.
Guides & How-tos
How to Verify a File Conversion Before You Delete the Original
Use a practical post-conversion checklist for images, documents, media, archives, data, and 3D files—and learn what Novus Convert validates automatically.
Guides & How-tos
Turn PNG, JPG, WebP, or SVG Into a PDF in Your Browser
Package screenshots, photos, and vector diagrams into shareable PDFs locally — with honest notes on page sizing, SVG rasterization, and why nothing uploads.
Guides & How-tos
Convert SRT, VTT, SBV, and LRC Subtitle Files in Your Browser
Convert captions and timed lyrics locally between SRT, VTT, SBV, LRC, TXT, and JSON while keeping cue timing private and under your control.
Guides & How-tos
How to Batch Convert Mixed Files in One Private Browser Queue
Convert images, documents, media, archives, and other formats together with per-file outputs, validated downloads, and no uploads.
Guides & How-tos
Convert PNG or JPG to SVG with Private Browser-Based Image Tracing
Trace logos, line art, and flat graphics into scalable SVG paths locally, with practical quality controls and honest limits for photographs.
Guides & How-tos
Convert GIF or APNG to MP4 and WebM Without Losing the Animation
Turn animated GIF and APNG files into modern MP4 or WebM video locally, with smaller-file strategies, honest transparency limits, and no uploads.
Guides & How-tos
Convert DOCX and Markdown to PDF or EPUB in Your Browser
Turn Word documents and Markdown into shareable PDFs or reflowable EPUB ebooks locally, with honest notes on what layout survives the conversion.
Guides & How-tos
CSV, JSON, and Excel: Convert Structured Data Safely in the Browser
Move tabular data between CSV, JSON, TSV, and Excel/ODS locally — no uploading spreadsheets full of sensitive rows to a stranger’s server.
Guides & How-tos
Convert Camera RAW (CR2, NEF, ARW) to JPG Without Desktop Software
Develop Canon, Nikon, and Sony RAW files into shareable JPGs locally with a LibRaw WebAssembly decoder — no Lightroom, no cloud, no uploads.
Guides & How-tos
Extract Audio From Video: Convert MP4 and MKV to MP3 Locally
Pull the soundtrack out of a video file into MP3 or other audio formats entirely in your browser — perfect for talks, music, and podcasts, with no upload.