How-to guides
Step-by-step guides for common tasks, all done privately in your browser.
- How to compress images without losing quality Large images slow down websites and fill up storage. This guide shows how to shrink them in your browser while keeping them sharp, with no uploads.
- How to merge PDF files into one document Combining several PDFs into a single file makes them easier to send and archive. Here is how to do it privately in your browser.
- How to turn a video into an animated GIF A short GIF is perfect for reactions, demos and previews. This guide turns a clip into a lightweight GIF entirely in your browser.
- How to create a QR code for a link or Wi-Fi QR codes connect the physical and digital worlds in one scan. This guide makes a custom code in your browser, ready to print.
- How to convert HEIC photos to JPG iPhone and iPad save photos as HEIC by default. Many sites and Windows apps expect JPG — this guide converts privately in your browser.
- How to resize images for web and email Oversized photos slow pages and bounce back from email limits. Resize locally before you upload or send.
- How to split a PDF into separate files Need just a few pages from a long document? Split them out without uploading the PDF to a server.
- How to compress a PDF to reduce file size Large PDFs clog inboxes and upload forms. Compress them in your browser while keeping text readable.
- How to remove EXIF metadata from photos Photos can embed GPS, camera model and other private data. Strip it before sharing publicly.
- How to convert PNG to WebP for faster websites WebP keeps transparency but weighs far less than PNG. Convert assets before deploying your site.
- How to format and validate JSON Minified JSON is hard to read and debug. Pretty-print it safely without sending data to a server.
- How to crop an image to exact dimensions Crop profile photos, banners and product shots to the right aspect ratio — all locally in your browser.
- How to preview a DWG file without AutoCAD DWG drawings usually need CAD software. Frespy renders a preview in your browser — no install required.
- How to encode text or files to Base64 Base64 turns binary data into text for data URLs, APIs and config files. Encode and decode locally.
- How to convert SVG to PNG in your browser Many platforms only accept pixel images. This guide rasterizes SVG logos and icons at full resolution without uploading them.
- How to convert audio between MP3, WAV, M4A, OGG and FLAC Different apps expect different audio formats. Convert privately in your browser — no cloud upload.
- How to create a favicon ICO from a PNG logo Websites and Windows shortcuts often want a .ico file with multiple sizes baked in. Frespy builds one from your PNG in the browser.