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Choose the file processing tool you need from the full tool list, category filters, or search results.
Free Online File Tools
Quickly find online PDF, image, video, and audio tools for compression, conversion, extraction, editing, and common file processing.
PDF toolsImage toolsVideo toolsAudio toolsFormat conversionFile processing
50 tools listed
Popular Tools
Compress PDFReduce PDF file sizeUse nowImage to PDFCombine images into PDFUse nowMerge PDFCombine multiple PDF filesUse nowPDF to JPGConvert PDF pages to JPGUse nowImage CompressionCompress image file sizeUse nowResize ImageAdjust image dimensionsUse nowWebP to PNGConvert WebP images to PNGUse nowMP4 to MP3Extract MP3 from MP4Use nowMP3 ConverterConvert common audio formats to real MP3 output locally in your browser.Use nowM4A to MP3Convert M4A audio to MP3 locally in your browser.Use nowVideo ScreenshotCapture a single image from videoUse now
PDF Tools
Split PDFSplit PDF into filesUse nowPDF to PNGConvert PDF pages to PNGUse nowPDF to ImageConvert PDF to imagesUse nowDelete PDF PagesRemove selected PDF pagesUse nowReorder PDF PagesRearrange PDF pagesUse nowRotate PDF PagesRotate PDF page directionUse nowAdd PDF WatermarkAdd text or image watermarkUse nowAdd PDF Page NumbersSet page number style and positionUse now
Image Tools
JPG to PNGConvert JPG images to PNGUse nowPNG to JPGConvert PNG images to JPGUse nowHEIC to JPGConvert HEIC images to JPGUse nowWebP to JPGConvert WebP images to JPGUse nowCrop ImageCrop image areaUse nowJPG to WebPConvert JPG images to WebPUse nowPNG to WebPConvert PNG images to WebPUse nowHEIC to PNGConvert HEIC images to PNGUse nowImage WatermarkAdd text or image watermarkUse nowRotate / Flip ImageRotate or flip imagesUse nowICO GeneratorGenerate ICO icon filesUse nowID Photo MakerUpload a clear portrait photo and create a digital ID photo in common specifications online.Use now
Audio Tools
Audio ConverterConvert audio locally in the browser to MP3, WAV, M4A, AAC, FLAC, or OGG.Use nowTrim AudioTrim an audio file locally using start and end times.Use nowWAV to MP3Convert WAV audio to MP3 locally in your browser.Use nowMP3 to WAVConvert MP3 audio to WAV locally with sample rate and bit-depth options.Use nowCompress AudioCompress audio locally by re-encoding to a lower bitrate.Use nowMerge AudioMerge multiple audio files locally in the order you choose.Use nowFLAC to MP3Convert FLAC audio to MP3 locally with bitrate options.Use nowAudio Speed ChangerChange audio speed while preserving pitch in a real MP3 file.Use nowAudio Pitch ChangerShift audio pitch by up to 12 semitones while preserving duration.Use nowFade AudioAdd real fade in and fade out effects to audio locally in your browser.Use nowReverse AudioReverse an audio file locally and create a real MP3 result.Use nowLoop AudioRepeat an audio file 2, 3, or 5 times and download a real MP3 result.Use now
Video Tools
Online Screen RecorderRecord your screen with optional microphone and system audio, then preview, trim, and download locally without a watermark.Use nowVideo to GIFConvert a short video clip to an animated GIF locally in your browser.Use nowExtract Audio from VideoExtract MP3, WAV, or M4A from videoUse nowMute VideoRemove audio from videoUse nowExtract Frames from VideoExport frames every N secondsUse nowVideo Thumbnail MakerChoose a frame as video thumbnailUse now
Complete File Processing in Three Simple Steps
Add files
Upload or drag in the PDF, image, video, or audio files you need to process, then adjust settings as needed.
Download result
Preview the processed result and download the file to your local device.
Why Choose FastToolAI?
100% Free
All online tools can be used for free without buying software.
No sign-up
No account is required. Open a tool and start processing files.
Local browser processing
No software installation is needed, and many file tasks can be completed directly.
File safety protection
Reduce file upload needs and focus more on user file privacy and safety.
Multi-platform support
Use it on desktop, tablet, and mobile browsers.
Frequently Asked Questions
FastToolAI is an online file processing platform with PDF, image, video, audio, and other tools.
Yes. Most tools can be used for free.
No. Open a tool and start using it.
No. You can use the tools directly through your browser.
Common file formats are supported, including PDF, image, video, and audio files.
Yes. Mobile browsers are supported for access and operation.
Some tools support local browser processing to reduce file uploads.
FastToolAI supports a multilingual interface for users in different regions.
Some tools support selecting and processing multiple files in batches.
After processing, you can download and save the result directly.
Browsers on Windows, macOS, Android, iOS, and other devices are supported.
Check the file format, file size, network, and browser environment, then try again.