27 free tools · no upload

Free file tools that never upload your files

Every tool runs in your browser, on your own device, because ConvertFast respects your privacy. Your first conversion each day needs no sign-up; sign in with Google for 2 more.

✓ Files stay on your device✓ 1 free try + 2 with Google / day✓ Works on phone and desktop

Image tools

Compress to an exact KB size, resize, crop, convert HEIC and WebP, fix passport photos, remove GPS data and more.

Free Image CompressorCompress to exact KBPick a target such as 100 KB or 500 KB, drop a photo, and download a JPG just under the limit.No uploadUse it free →
Free Image ConverterJPG / PNG / WebPDrop a JPG, PNG, WebP, BMP, GIF or AVIF image and save it as JPG, PNG or WebP.No uploadUse it free →
Free Image ResizerExact width x heightType the width or height you need, keep the aspect ratio locked or unlock it, and download the resized image.No uploadUse it free →
Free EXIF RemoverRemove GPS & metadataPhotos often carry the location, date and camera model. Save a clean copy without that metadata, then share the clean copy.No uploadUse it free →
Free Passport Photo ResizerCommon photo sizes + KBChoose a common photo size such as 35x45 mm or 2x2 inch, center the face, set a KB limit and download a ready JPG.No uploadUse it free →
Free Signature ResizerSignature for exam formsUpload a photo of your signature, whiten the background, set the pixel size and KB limit, and download a JPG for the form.No uploadUse it free →
Free HEIC to JPGiPhone photos to JPGDrop an iPhone HEIC photo and download a JPG that opens everywhere.No uploadUse it free →
Free Image CropperCrop to a ratioPick an aspect ratio, adjust the crop and download the cropped image.No uploadUse it free →
Free Rotate & Flip ImageRotate 90° or mirrorTurn a sideways photo upright or mirror a selfie, then download the result.No uploadUse it free →
Free Add WatermarkText watermarkType your name or website, choose where it goes and how visible it is, and download the watermarked image.No uploadUse it free →
Free GIF MakerImages to animated GIFAdd 2 to 30 images in order, set the frame delay and width, and download an animated GIF.No uploadUse it free →
Free Favicon GeneratorPNG to ICO + sizesDrop a square logo and download favicon.ico with several sizes inside, plus PNG versions.No uploadUse it free →
Free EXIF ViewerSee GPS & camera dataDrop a photo to see what it reveals about where and how it was taken, then remove it with the EXIF remover.No uploadUse it free →
Free Change Image DPISet 300 DPI without quality lossPick the DPI a form or print shop asks for. Only the resolution setting changes; your pixels stay exactly the same.No uploadUse it free →
Free Image Size CheckerKB, pixels and DPI checkDrop a photo to see its exact KB, pixel size and DPI, and enter your form's limits to see whether it passes before you upload.No uploadUse it free →
Free Black & White ImageGrayscale, B&W or sepiaPick grayscale for a classic look, pure black & white for scans and signatures, or sepia for an old-photo tone. Your photo keeps its full resolution.No uploadUse it free →

Audio & Video tools

Pull the audio track out of a video as an MP3 file, right in your browser.

1Pick a toolChoose what you need: compress, convert, merge, resize and more.
2Add your fileIt is processed right in your browser. Nothing is uploaded to a server.
3DownloadYour result is saved straight to your device, ready to use.
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