Live conversionLocal
HEIC
TO
JPG
100% local • No upload • No registration
Convert files
without the cloud.
A clean browser workbench for those annoying little file jobs: HEIC to JPG, Excel to CSV, DOCX to Markdown, video to WAV, and more. Drop a file, get the version you need, keep moving.
LocalFiles stay on your machine
FastSmall chores, no waiting room
No accountOpen it, use it, leave
Drop.
File details, in plain sight
Check camera fields, GPS, PDF info strings, media probes, and document tags before you share a file. It runs in the browser, so the original stays with you.
Drop any file here or click to browse
Parsed in your browser - nothing is uploaded.
Real situations
For the messy file requests that interrupt real work.
It is deliberately small: no dashboard to learn, no account to create, no waiting on uploads.
A voice memo becomes usable
Pull audio out fast.
Grab a WAV from a video, trim a rough cut, or make an old audio file easier to use.
MP4 to WAVTrim in converterMono / stereo
The client sent the wrong file
Fix the handoff.
Turn camera photos and web assets into the format the next person actually asked for.
HEIC to JPGPNG to WebPBackground cleanup
One less desktop app
Prep files where you are.
Re-encode videos, export still frames, and clean up media without hunting for a utility.
WebM re-encodeStill frame PNGPrivate processing
Handy tools
Enough control to finish the job well.
Pick the output, adjust the file when it matters, and keep everything on your own device.
Audio
Audio to WAV
Decode MP3, FLAC, AAC, OGG, and more with the Web Audio API, then export uncompressed WAV with mono or stereo channels.
Many inputsWAV exportTrim in converter
Images
Raster & icons
HEIC, TIFF, AVIF, PCX, and common web formats - resize, quality, and encode to PNG, JPG, WebP, AVIF, ICO, BMP, and more.
HEIC · PCX · TIFFResize & qualityEXIF viewer
Video
Re-encode any video
FFmpeg.wasm runs in your browser, so HEVC, MOV, MKV, AVI and other tricky inputs play and re-encode cleanly into MP4, MOV, MKV, AVI, WebM, OGV, GIF, plus stills and a WAV soundtrack.
HEVC playbackMP4 / MOV / MKV / AVIWebM / GIF / WAV
Data
Sheets & Word
Swap CSV, TSV, Excel, and JSON tables in the browser. Export DOCX to clean HTML or Markdown with the built-in DOCX engine.
XLSX ↔ CSVJSON rowsDOCX → MD
Ebooks
EPUB to PDF
Turn reflowable EPUB chapters into a paginated PDF without uploading your book. Images and linked styles are resolved inside the browser.
EPUB inputPDF exportPrivate
Cleanup
Background Remover
Remove backgrounds from portraits, products, and complex subjects without leaving the browser.
Portrait modeProduct imagesTransparent PNG
Enhance
4× Real-ESRGAN Upscale
Real-ESRGAN x4plus runs in your browser with WebGPU - same model family as professional upscalers, no upload.
general_plusWebGPUImages only
Private
100% Private
Everything runs in your browser. Your files never leave your device.
Client-side onlyNo trackingGDPR-ready
Fast
No server queue
No upload step and no account wall - typical images and documents finish in seconds on a normal laptop.
Local onlyMulti-file queueNo sign-up
Formats
The everyday formats are already here.
Audio, images, video, Office documents, and spreadsheets, all processed locally in your browser. Open the converter for the exact export options.
Audio
MP3Decode in browser
WAVExport (PCM)
FLACDecode in browser
AACDecode in browser
OGGOpen source
OPUSLow-latency
M4AiTunes
AIFFStudio
WMAWindows
Images
JPGUniversal
PNGTransparent
WebPWeb-optimized
AVIFNext-gen
HEICApple
GIFAnimated
SVGVector
ICOFavicon
BMPWindows
TIFFPrint / RAW
PDFDocument
Video
MP4Universal
MOVApple
MKVOpen container
WebMWeb-native
AVILegacy
WMVWindows
FLVFlash legacy
M4ViTunes
OGVOpen source
Docs & data
CSVSpreadsheet
TSVTab-separated
XLSXExcel
XLSLegacy Excel
JSONRows / logs
DOCXWord → MD/HTML
MDMarkdown
HTMLWeb → MD
EPUBEbook → PDF
Featured Guides
Browse All Blog PostsLearn more about file formats
Short, practical guides on image formats, document handoffs, and privacy-safe conversion workflows.
What Is a PNG File? History, Features, and When to Use It
Learn when PNG is the right choice, when it is overkill, and how to avoid the most common quality mistakes in real workflows.
Merlin·11 min read
What Is a PDF? Uses, Advantages, and Limitations Explained
A practical guide to when PDFs protect layout, where they get in your way, and which conversions fix common document handoff issues.
Patrick·9 min read
How to Prepare Client Files Without Uploading (Batch Convert Phone Photos Privately)
A privacy-first workflow for preparing sensitive client files locally, including batch photo conversion and delivery checklists.
Patrick·11 min read
HEIC vs JPG: Why Apple Users Still Convert Files
If iPhone photos keep breaking on client systems, this guide shows when to keep HEIC and when to send JPG copies.
Merlin·9 min read
Ready when you areConvert the file and get back to the work.
Convert the file and get back to the work.
No detour required.
Drag in one file or a small batch. SwiftSave handles the format change on your device and keeps the original private.
No credit card · No install · No sign-up