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.
July 2026
26 articles published by Novus Convert.
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.
Comparisons
Convert or Compress? Keep the Same Format When You Only Need a Smaller File
Learn when Novus Convert’s converter and compressor diverge: change formats on /convert, keep PNG→PNG or MP4→MP4 on /compress, and use quality without losing the download.
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.
Format Deep-Dives
Convert TTF, OTF, WOFF, WOFF2, and EOT Fonts in Your Browser
Convert desktop and web font containers locally, choose the right TTF, WOFF, WOFF2, or EOT output, and validate the result before using it.
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.
Privacy & Security
Extract and Convert Archives (RAR, 7Z, ZIP) Safely in the Browser
Open and repackage RAR, 7-Zip, and ZIP archives locally with real WebAssembly engines — with traversal and expansion protections and no uploads.
Format Deep-Dives
Convert EPUB, MOBI, and Kindle Ebooks Between Formats Privately
Move your DRM-free ebooks between EPUB, MOBI, and plain formats locally in the browser — reading-order preserved, nothing uploaded.
Privacy & Security
How to Compress Video and Images Without Uploading Them Anywhere
Shrink photos and video on your own device with adjustable quality and measured savings — a private alternative to upload-based compressors.
Format Deep-Dives
Convert 3D Models (STL, OBJ, GLB, STEP) for Printing and the Web
Convert between STL, OBJ, 3MF, GLB, glTF, PLY, and STEP CAD geometry locally with Open CASCADE and mesh tools — ready for 3D printing or web viewers.
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.
Guides & How-tos
How to Convert MOV to MP4 in Your Browser (iPhone Video, No Upload)
Make iPhone .mov clips play everywhere by converting them to .mp4 locally with a WebAssembly FFmpeg engine — private, watermark-free, and validated.
Guides & How-tos
Convert PDF to Images (and Images to PDF) Privately in Your Browser
Turn PDF pages into PNG or JPG snapshots, or combine images into a PDF — all processed locally with pdf.js and pdf-lib, with nothing uploaded.
Comparisons
AVIF vs WebP vs JPG: Which Modern Image Format Should You Ship?
A practical comparison of AVIF, WebP, and JPG — compression, quality, browser support, and transparency — so you can pick the right format for the web.
Guides & How-tos
How to Convert PNG to WebP (and JPG) to Shrink Web Images
Turn heavy PNG screenshots and graphics into lightweight WebP or JPG in your browser — smaller pages, no uploads, and measured savings you control.
Guides & How-tos
How to Convert HEIC to JPG Without Uploading Your Photos
A private, step-by-step guide to turning iPhone HEIC photos into universally compatible JPGs entirely in your browser — no uploads, no accounts, no waiting.
Format Deep-Dives
JPG vs PNG vs WebP vs AVIF vs HEIC: Which Image Format Should You Use?
A practical comparison of the five image formats that matter most today — how they differ in compression, quality, transparency, and support — with clear guidance on when to pick each.
Guides & How-tos
How to Compress Video Without Losing Quality (Right in Your Browser)
Understand what actually makes a video file large, then compress it locally — no uploads, no watermarks — using bitrate, resolution, and codec choices that preserve visible quality.
Privacy & Security
Where Do Your Files Really Go When You Use an Online Converter?
Most “free online converters” quietly upload your documents and photos to a server. Here is what that actually means for your privacy — and how browser-based conversion avoids it.
Comparisons
Browser-Based vs Online File Converters: Privacy, Speed, and Limits Compared
“Online converter” and “browser-based converter” sound identical but work in opposite ways. Here is how they compare on privacy, speed, file limits, and reliability — and when each one wins.