Private browser file converters and tools
Search 201 private file converters and utilities for images, PDFs, audio, video, documents, archives, and developer tasks. Every tool runs locally in your browser.
Browse all 201 tools by category
Image formats
HEIC to JPGConvert iPhone photos to universally supported JPG.HEIC to PNGTurn iPhone photos into lossless, editable PNGs.HEIF to JPGConvert HEIF images to the classic, portable JPG.WebP to PNGTurn modern web images into easy-to-edit PNGs.WebP to JPGConvert web images to the classic JPG format.PNG to WebPShrink PNGs into compact, web-ready WebP.JPG to WebPCompress photos into smaller, web-ready WebP.AVIF to JPGBring next-gen images back to the classic format.AVIF to PNGDecode next-gen AVIF into lossless PNG.PNG to AVIFCompress PNGs into tiny, modern AVIF files.JPG to PNGConvert photos to lossless, editable PNG.PNG to JPGShrink PNGs into compact, shareable JPGs.BMP to JPGCompress bulky bitmaps into portable JPGs.BMP to PNGTurn bulky bitmaps into compact, lossless PNGs.TIFF to JPGTurn large scans and TIFFs into shareable JPGs.TIFF to PNGConvert scans and TIFFs to lossless PNG.
Image tools
Image CompressorShrink JPG, PNG and WebP files with a quality slider.Image ResizerResize to exact pixel dimensions or handy presets.SVG to PNGRasterize vector graphics at 1x, 2x or 4x.SVG to JPGRasterize vectors to JPG at 1x, 2x or 4x.PNG to ICOBuild a multi-size .ico favicon from any image.Crop ImageDrag a box to crop any image, pixel-perfect.Rotate ImageRotate in 90° steps and flip horizontally or vertically.Images to PDFCombine JPG and PNG images into one PDF.PDF to JPGRender every PDF page to a JPG image.PDF to PNGRender every PDF page to a crisp PNG image.EXIF Viewer & RemoverInspect EXIF/GPS data, then strip it from your photo.Image to Base64Encode images to a data URL, or decode Base64 to an image.Image to SVG VectorizerTrace PNG, JPG, or WebP artwork into editable SVG paths.Image Format WorkbenchOpen uncommon raster formats and convert them to PNG, JPG, or WebP.
PDF tools
Merge PDFCombine several PDFs into one, in any order.Split PDFBreak one PDF into single pages or custom ranges.Compress PDFReduce PDF file size for email and uploads.Extract PDF PagesPull out just the pages you need into a new PDF.Delete PDF PagesRemove unwanted pages and keep the rest.Rotate PDFFix sideways or upside-down pages in seconds.PDF to TextExtract the text layer from a PDF as a .txt file.Add Page Numbers to PDFStamp page numbers onto every page.Watermark PDFStamp text like DRAFT or CONFIDENTIAL across every page.PDF CompareCompare two PDFs page by page with side-by-side and highlighted difference views.Searchable OCR PDFRecognize scanned pages and add an invisible, searchable text layer to the original PDF.
Audio
MP3 to WAVTurn compressed MP3s into uncompressed WAV audio.WAV to MP3Shrink big WAV files into portable, high-quality MP3s.FLAC to MP3Convert lossless FLAC to portable MP3.M4A to MP3Convert Apple M4A/AAC audio to universal MP3.OGG to MP3Convert Ogg Vorbis audio to universal MP3.AAC to MP3Convert AAC audio streams to universal MP3.Opus to MP3Convert Opus voice and music files to MP3.WebM to MP3Extract MP3 audio from WebM files.AMR to MP3Convert AMR voice recordings to MP3.MP4 to MP3Extract MP3 audio from MP4 video.Compress AudioShrink audio files by choosing a lower bitrate.Trim AudioCut a clip from any audio file with a preview player.Increase VolumeMake a quiet recording louder.Merge AudioJoin several audio files into one MP3.Change Audio SpeedSpeed up or slow down audio without changing pitch.M4R Ringtone MakerTurn any audio into a 40-second iPhone ringtone.Normalize AudioReach a consistent listening level with LUFS normalization.Fade AudioAdd smooth starts and endings.Audio to MonoMix every channel into one.Audio to StereoCreate a two-channel compatible file.Change Sample RateResample audio from 8 kHz to 48 kHz.Change Audio BitrateControl MP3 quality and file size.Reduce Audio NoiseQuiet steady hiss and room noise.Remove SilenceCut quiet gaps automatically.Split AudioExport timestamped sections as a ZIP.Audio WaveformTurn sound into a downloadable PNG waveform.Audio MetadataInspect duration, channels, sample rate, type, size, and bitrate.Remove Audio MetadataExport a clean copy without embedded tags.Audio RecorderCapture your microphone and export WebM or MP3.Offline Text to SpeechCreate a downloadable spoken WAV file with a local synthesizer.Audio Analysis LabMeasure loudness and peaks, find silence, and render a high-resolution frequency spectrogram.
Video
MOV to MP4Convert Apple QuickTime MOV videos to MP4 for playback and upload anywhere.MKV to MP4Convert Matroska MKV files to MP4 so they play on phones, TVs, and editors.WebM to MP4Convert WebM videos to MP4 (H.264) for editors and apps that reject WebM.AVI to MP4Convert legacy AVI videos to modern, compact MP4 (H.264/AAC).WMV to MP4Convert Windows Media WMV files to MP4 that plays on any device.FLV to MP4Convert old Flash FLV videos to MP4 you can actually play today.MP4 to WebMTurn MP4 videos into open, web-friendly WebM (VP9/Opus).Compress VideoShrink MP4 file size with a quality slider and resolution cap.Trim VideoCut a clip to a start and end time without re-encoding.Mute VideoStrip the soundtrack from a video, keeping the picture untouched.Resize VideoFit a video to landscape, story, or square social presets.Video to GIFTurn a clip into a looping GIF with fps and width controls.GIF to MP4Turn a heavy animated GIF into a small, smooth MP4.GIF to WebPShrink animated GIFs into smaller, animated WebP files.Video to FramesExport video frames as PNG images, bundled into a ZIP.Merge VideosJoin videos in orderCrop VideoCrop a video to exact dimensionsRotate or Flip VideoFix video orientationChange Video SpeedSpeed up or slow down videoAdd or Replace Video AudioGive a video a new soundtrackExtract Original Video AudioSave the original audio without quality lossBurn Subtitles into VideoMake subtitles permanently visibleExtract Video SubtitlesSave an embedded subtitle trackVideo Thumbnail MakerCapture a high-quality video stillVideo Contact SheetSee a whole video at a glanceLoop VideoRepeat a clip seamlesslyRemove Video MetadataStrip private video metadataLossless Trim & RemuxCut media by timestamp or move its streams into another container without re-encoding.Media Compatibility DoctorInspect containers and codecs, test this browser, and choose between a lossless remux and a compatibility re-encode.Media Stream & Track ManagerSelect, reorder, relabel, extract, or remove video, audio, and subtitle streams without decoding them.Media QC ReportFind black frames, frozen sections, silence, loudness problems, clipping, and persistent letterboxing on a timeline.Automatic Video Black-Bar RemoverDetect a stable picture region and remove persistent letterboxing or pillarboxing automatically.Video Color & HDR WorkbenchApply a .cube LUT, tone-map HDR to SDR, reduce noise, and sharpen video with a single local render.MP4 Repair & FaststartRegenerate timestamps, discard corrupt packets where possible, and move MP4 metadata forward for streaming playback.Video Scene SplitterDetect visual shot changes and package each scene as a separate browser-compatible clip with a timestamp manifest.
Data files
JSON to CSVTurn JSON data into a spreadsheet-ready CSV.CSV to JSONTurn spreadsheet rows into a clean JSON array.CSV to XLSXTurn a plain CSV into a native Excel workbook.XLSX to CSVExtract the first sheet of a workbook as CSV.XLSX to JSONTurn a spreadsheet into a JSON array of rows.JSON to YAMLTurn JSON into readable YAML config.YAML to JSONTurn YAML config into strict JSON.JSON to XMLTurn JSON into well-formed XML.XML to JSONTurn XML into structured JSON.JSON to TOMLTurn JSON into TOML config.TOML to JSONTurn TOML config into JSON.CSV to Markdown TableTurn a CSV into a GitHub-flavoured table.TSV to CSVTurn tab-separated data into standard CSV.VCF to CSVTurn exported contacts into a spreadsheet.ICS to CSVTurn calendar events into a spreadsheet.SQLite Viewer & ExporterBrowse tables, run read-only SQL, and export SQLite data.HAR Viewer & SanitizerInspect network requests and remove sensitive headers and cookies.BSON to JSONDecode BSON data into readable MongoDB Extended JSON.JSON to BSONEncode JSON or MongoDB Extended JSON as BSON.
Documents & subtitles
DOCX to HTMLTurn Word documents into clean, semantic HTML.DOCX to MarkdownMove Word documents into Markdown for docs and wikis.DOCX to TXTStrip a Word document down to plain text.Markdown to HTMLRender Markdown into standards-compliant HTML.HTML to MarkdownTurn HTML into clean, readable Markdown.Markdown to PDFRender Markdown into a polished, printable PDF.HTML to PDFTurn HTML into a print-ready PDF in your browser.TXT to PDFWrap plain text into a clean, paginated PDF.SRT to VTTConvert SubRip subtitles to WebVTT for the web.VTT to SRTConvert WebVTT captions back to SubRip .srt.SRT to ASSConvert SubRip subtitles to Advanced SubStation (.ass).ASS to SRTFlatten styled ASS subtitles to plain SubRip.SUB to SRTConvert frame-based MicroDVD .sub to timed .srt.Typst to PDF & SVGCompile a Typst document and preview or export it locally.MusicXML Viewer & MIDI ConverterInspect MusicXML or MXL scores and export their notes as MIDI.Subtitle StudioEdit, shift, rescale, merge, split, preview, convert, and burn SRT, VTT, or ASS subtitle cues.
Developer tools
JSON FormatterPretty-print and validate JSON with clear error positions.SQL FormatterReformat messy SQL into clean, readable, uppercase-keyword style.CSS BeautifierReformat CSS with clean indentation using Prettier.CSS MinifierStrip comments and whitespace to shrink your CSS.JavaScript BeautifierReformat minified or messy JS with Prettier.JavaScript MinifierCompress JS with Terser — mangle and squeeze in your browser.HTML BeautifierReindent messy HTML into clean, readable markup with Prettier.HTML MinifierCollapse whitespace and strip comments to shrink HTML.Base64 EncodeEncode text to Base64 with full UTF-8 support.URL EncodePercent-encode text for safe use in URLs and query strings.HTML EscapeEscape special characters into safe HTML entities.JWT DecoderDecode a JWT's header and payload and check expiry.SHA-256 GeneratorHash text or files with MD5, SHA-1, SHA-256, SHA-384, or SHA-512.UUID GeneratorGenerate random and time-ordered UUIDs in bulk.Diff CheckerCompare two texts and highlight what changed.Word CounterLive word, character, sentence and reading-time stats.Case ConverterConvert text to camelCase, snake_case, Title Case and more.Slug GeneratorTurn titles into clean, SEO-friendly URL slugs.Timestamp ConverterConvert Unix time to ISO, local and human dates live.Base ConverterConvert between binary, octal, decimal, hex and any base.HEX to RGB ConverterConvert colors between HEX, RGB, HSL and OKLCH.QR Code GeneratorCreate QR codes for links and text — PNG or SVG.QR Code ReaderDecode a QR code from any image, privately.Barcode GeneratorCreate CODE128, EAN, UPC and more as SVG or PNG.Regex TesterTest regular expressions with live match highlighting.Cron Expression ParserExplain cron schedules and see the next run times.Lorem Ipsum GeneratorGenerate placeholder text by paragraphs, sentences or words.
Archives & fonts
Unzip ZIP filesOpen a .zip and download the files inside.Create ZIP filesBundle multiple files into one .zip download.Extract TAR.GZ filesOpen .tar.gz and .tgz archives in your browser.TTF to WOFFWrap a TrueType font in a web-ready WOFF container.OTF to TTFTurn an OpenType font into a TrueType font.Font subsetterKeep only the characters you need to shrink a font.Extract 7Z ArchivesInspect and extract 7Z, RAR, and other 7-Zip-readable archives.TTF to WOFF2Compress a TrueType font into modern WOFF2 for the web.OTF to WOFF2Compress an OpenType font into modern WOFF2 for the web.
Specialized
GPX to KMLTurn GPS tracks into Google Earth KML.KML to GPXTurn Google Earth KML into GPS-ready GPX.GPX to GeoJSONTurn GPS tracks into web-ready GeoJSON.KML to GeoJSONTurn Google Earth KML into web-ready GeoJSON.GeoJSON to CSVFlatten map features into a spreadsheet.EML ViewerOpen .eml emails and save them as HTML.EPUB to PDFTurn an e-book into a printable PDF.Unlock PDFRemove print, copy, and edit restrictions.Fill PDF FormDetect form fields and fill them in-browser.Smart File InspectorIdentify a file from its bytes, verify its extension, calculate its hash, and discover compatible local tools.Visual Recipe DebuggerBuild a local conversion pipeline, pause at breakpoints, and inspect every intermediate file.3D Model Thumbnail MakerFrame a GLB, GLTF, or OBJ model and render a PNG thumbnail.Comic Archive to PDFTurn CBZ or CBR image pages into an ordered PDF.PDF to CBZRender PDF pages as images and package them as a CBZ comic.Conversion Manifest BuilderCreate a portable manifest with SHA-256 hashes, sizes, timestamps, MIME types, and media-stream metadata.
Local AI
CR2 to JPGTurn Canon CR2 RAW photos into shareable JPGs.CR3 to JPGTurn Canon CR3 RAW photos into shareable JPGs.NEF to JPGTurn Nikon NEF RAW photos into shareable JPGs.ARW to JPGTurn Sony ARW RAW photos into shareable JPGs.DNG to JPGTurn Adobe DNG RAW photos into shareable JPGs.Image to Text (OCR)Pull editable text out of screenshots, scans and photos.Remove BackgroundErase the background from any photo, right in your browser.Upscale ImageEnlarge images with smart resampling and edge sharpening.