Convert
Every conversion tool in one place: turn images, PDFs, audio and data into dozens of formats - right in your browser, no upload, no sign-up.
This overview gathers all of gottrix's conversion tools in one place, organized by media type from image through document and audio to data and video. Whether HEIC to JPG, Word to PDF, WAV to MP3 or CSV to JSON, the most common format conversions are reachable directly here.
Each conversion runs locally in your browser, with no file upload and no account. So you find the right tool quickly, without clicking through individual categories.
Image tools
HEIC to JPG
Convert iPhone HEIC photos to JPG locally - no upload, right in your browser. Your images never leave your device.
HEIC to PNG
Convert iPhone HEIC photos to lossless PNG locally. No upload - the conversion runs entirely in your browser.
HEIC to WebP
Convert iPhone HEIC photos to WebP locally - small files, transparency kept, no upload.
HEIC to AVIF
Convert iPhone HEIC photos to AVIF locally - very small files at high quality, no upload.
QOI to PNG
Convert QOI images to PNG locally - lossless, right in the browser, no upload.
PNG to QOI
Convert PNG images to QOI locally - lossless and blazing fast, right in the browser, no upload.
WebP to JPG
Convert WebP images to JPG locally - no upload, right in your browser. Ideal for photos and maximum compatibility.
WebP to PNG
Convert WebP images to lossless PNG locally - with transparency, no upload, right in your browser.
JPG to WebP
Convert JPG photos to the modern WebP format locally - noticeably smaller at the same quality, no upload.
PNG to WebP
Convert PNG images to WebP locally - smaller than PNG, transparency preserved, no upload.
JPG to PNG
Convert JPG images to PNG locally - a lossless format for editing and clean edges, no upload.
PNG to JPG
Convert PNG images to JPG locally - smaller files for photos and quick sharing, no upload.
AVIF to JPG
Convert AVIF images to JPG locally - no upload, right in your browser. Ideal for maximum compatibility with older software.
AVIF to PNG
Convert AVIF images to lossless PNG locally - with transparency, no upload, right in your browser.
JPG to AVIF
Convert JPG images to AVIF locally - much smaller files at the same quality, no upload.
PNG to AVIF
Convert PNG images to AVIF locally - much smaller files with transparency kept, no upload.
JXL to JPG
Convert JPEG XL images (JXL) to JPG locally - no upload, right in your browser. JPG opens in virtually every program.
JXL to PNG
Convert JPEG XL images (JXL) to lossless PNG locally - with transparency, no upload, right in your browser.
JPG to JXL
Convert JPG images to JPEG XL (JXL) locally - much smaller files at the same quality, no upload.
PNG to JXL
Convert PNG images to JPEG XL (JXL) locally - smaller files with transparency kept, no upload.
BMP to PNG
Convert BMP images to lossless PNG locally - much smaller files, no upload, right in your browser.
BMP to JPG
Convert BMP images to JPG locally - drastically smaller files for photos and sharing, no upload.
PNG to BMP
Convert PNG images to uncompressed BMP locally - for older software and devices, no upload.
TGA to PNG
Convert TGA/Targa images to lossless PNG locally - with transparency, no upload, right in your browser.
GIF to PNG
Convert GIF images to lossless PNG locally - more colours, with transparency, no upload.
GIF to JPG
Convert GIF images to JPG locally - small photo files, no upload, right in your browser.
TIFF to JPG
Convert TIFF images to JPG locally - small files for sharing and the web, no upload, right in your browser.
TIFF to PNG
Convert TIFF images to lossless PNG locally - with transparency, no upload, right in your browser.
ICO to PNG
Convert Windows ICO icons to lossless PNG locally - with transparency, no upload, right in your browser.
PNG to ICO
Build a Windows ICO icon from PNG images locally - with the right sizes, no upload, right in your browser.
SVG to PNG
Convert SVG vectors to PNG locally - you pick the pixel width, transparency is preserved. No upload, right in your browser.
SVG to JPG
Convert SVG vectors to JPG locally - you pick the pixel width, transparent areas become white. No upload, right in your browser.
TTF to WOFF2
Convert TTF fonts to WOFF2 for the web locally - lossless, no upload. Your font never leaves your device.
OTF to WOFF2
Convert OTF fonts to WOFF2 for the web locally - lossless, no upload. Including OpenType CFF fonts.
WOFF to WOFF2
Convert older WOFF web fonts to the smaller WOFF2 locally - lossless, no upload.
WOFF2 to TTF
Convert a WOFF2 web font back into an installable TTF locally - lossless, no upload.
PNG to SVG
Vectorise logos and graphics from PNG to scalable SVG locally - freely scalable, no upload.
SVGZ to SVG
Unpack compressed SVGZ files back to plain SVG locally - ready to use anywhere, no upload.
PSD to PNG
Convert Photoshop files (PSD) to PNG locally - lossless, with transparency preserved, no upload.
PSD to JPG
Convert Photoshop files (PSD) to a compact JPG locally - no upload; transparency is flattened onto white.
RAW to PNG
Convert camera RAW (DNG, CR2, NEF, ARW and more) to PNG locally - a true demosaic of the sensor data, lossless, no upload.
RAW to JPG
Convert camera RAW (DNG, CR2, NEF, ARW and more) to a compact JPG locally - a true demosaic of the sensor data, no upload.
JFIF to PNG
Convert JFIF images to PNG locally - JFIF is the standard JPEG format; PNG is lossless, no upload.
PPM to PNG
Convert Netpbm images (PPM, PGM, PBM) to PNG locally - lossless, no upload, right in the browser.
ICNS to PNG
Convert macOS icons (ICNS) to PNG locally - the highest-resolution image extracted losslessly, no upload.
Image to ASCII Art
Turn an image into ASCII art locally - a text picture made of characters, saved as a TXT. No upload.
Image to Data URI
Convert an image to a Base64 data URI locally - paste it straight into HTML or CSS. No upload.
Image to text (OCR)
Read the text out of a photo or scan - locally in the browser via OCR, with no upload.
GIF to APNG
Convert an animated GIF to an animated PNG (APNG) locally in your browser - full colour and real transparency, no upload.
APNG to GIF
Convert an animated PNG (APNG) to an animated GIF locally in your browser - maximally compatible, no upload.
Document tools
DOCX to HTML
Convert Word documents (.docx) to clean, semantic HTML locally - without Word cruft. No upload.
DOCX to Markdown
Convert Word documents (.docx) to clean Markdown locally - for wikis, docs and static sites. No upload.
Markdown to HTML
Turn Markdown into a ready HTML file locally - displays instantly in any browser, no upload.
EPUB to TXT
Extract the plain text from an EPUB e-book locally as TXT - in reading order, no upload.
CBZ to PDF
Convert a CBZ comic archive to a PDF locally - one image per page, in reading order, no upload.
RTF to TXT
Extract the plain text from an RTF file locally as TXT - no upload, with paragraphs preserved.
JPG to PDF
Combine images into a single PDF locally - order preserved, no upload.
PDF to JPG
Render PDF pages as JPG images locally. Multiple pages come back as a ZIP.
PDF to PNG
Render PDF pages as lossless PNG images locally - crisp edges for text and graphics. Multiple pages as a ZIP, no upload.
PDF to text
Extract the text layer of a PDF as a plain .txt file - to copy, reuse or search. Local, no upload.
PDF to Markdown
Convert the text layer of a PDF into Markdown locally - headings, lists and paragraphs are detected from the structure. No upload.
Markdown to PDF
Convert Markdown into a structured PDF locally - with headings, lists, bold text and code blocks. No upload.
DOCX to PDF
Turn Word documents (DOCX) into a PDF locally - text, headings, lists and images included. Not a pixel-perfect layout, no upload.
BMP to PDF
Turn BMP images into a PDF locally - several at once, order preserved. No upload.
GIF to PDF
Turn GIF images into a PDF locally - several at once, order preserved. No upload.
TIFF to PDF
Turn TIFF scans into a PDF locally - multi-page TIFFs become multi-page PDFs. No upload.
TXT to PDF
Turn text and Markdown files into a PDF locally - with line wrapping and page breaks. No upload.
HTML to PDF
Turn an HTML file into a text PDF locally - tags out, content in. No pixel-perfect layout, no upload.
HTML to Markdown
Convert HTML to clean Markdown locally - headings, links, lists and more, in your browser. Nothing is uploaded.
Audio tools
Data & code
XLSX to CSV
Convert an Excel file (.xlsx) to CSV locally - each sheet separately, no upload, right in your browser.
CSV to XLSX
Convert a CSV file to an Excel workbook (.xlsx) locally - no upload, right in your browser. Your data stays on your device.
GeoJSON to KML
Convert GeoJSON to KML for Google Earth locally - points, lines and areas with names. No upload.
KML to GeoJSON
Convert KML (Google Earth) to GeoJSON locally - for web maps and developer tools. No upload.
GPX to GeoJSON
Convert GPX tracks (GPS, Garmin, Strava, Komoot) to GeoJSON locally - for web maps. No upload.
GeoJSON to GPX
Convert GeoJSON to GPX locally - for GPS devices, outdoor and navigation apps. No upload.
GeoJSON to WKT
Convert GeoJSON to WKT locally - the geometry format of PostGIS and databases. No upload.
WKT to GeoJSON
Convert WKT (PostGIS, databases) to GeoJSON locally - for web maps and tools. No upload.
KML to GPX
Convert KML (Google Earth) straight to GPX for GPS devices locally - in one step. No upload.
GPX to KML
Convert GPX tracks (Garmin, Komoot, Strava) straight to KML for Google Earth locally. No upload.
GeoJSON to CSV
Convert GeoJSON to a CSV table locally - for Excel, databases and analysis. No upload.
CSV to GeoJSON
Convert a CSV table to GeoJSON locally - from latitude/longitude or a WKT column. No upload.
GeoJSON to NDJSON
Convert GeoJSON to newline-delimited GeoJSON (NDJSON) locally - for tippecanoe and big data. No upload.
NDJSON to GeoJSON
Convert newline-delimited GeoJSON (NDJSON) to a GeoJSON FeatureCollection locally. No upload.
GeoJSON to TopoJSON
Convert GeoJSON to TopoJSON locally - shared-arc topology, much smaller for web maps. No upload.
TopoJSON to GeoJSON
Convert TopoJSON to GeoJSON locally - expand the topology for Leaflet, QGIS and tools. No upload.
STL to OBJ
Convert STL 3D models to the OBJ format locally - for Blender, Cinema 4D and 3D tools. No upload.
OBJ to STL
Convert OBJ 3D models to binary STL locally - ready for 3D printing and any slicer. No upload.
STL binary to ASCII
Convert binary STL to readable ASCII STL locally - for inspecting, versioning and diffing. No upload.
STL ASCII to binary
Convert ASCII STL to compact binary STL locally - smaller and faster for any slicer. No upload.
PLY to STL
Convert PLY 3D scans to binary STL locally - ready for 3D printing and any slicer. No upload.
PLY to OBJ
Convert PLY 3D scans to the OBJ format locally - for Blender, Cinema 4D and 3D tools. No upload.
OBJ to PLY
Convert OBJ 3D models to ASCII PLY locally - for MeshLab, CloudCompare and research tools. No upload.
STL to PLY
Convert STL 3D models to ASCII PLY locally - for MeshLab, CloudCompare and research tools. No upload.
STL to GLB
Convert STL 3D models to the GLB format (binary glTF) locally - the standard for web, AR and 3D viewers. No upload.
OBJ to GLB
Convert OBJ 3D models to the GLB format (binary glTF) locally - the standard for web, AR and 3D viewers. No upload.
GLB to OBJ
Extract the geometry of a GLB model (binary glTF) locally as OBJ - for Blender, Cinema 4D and 3D tools. No upload.
GLB to glTF
Convert a binary GLB into a readable glTF file locally - with an embedded buffer, a single file. No upload.
glTF to GLB
Bundle a self-contained glTF file into a compact binary GLB locally - one file for web, AR and viewers. No upload.
CSV to Markdown
Convert CSV to a Markdown table locally - to paste into GitHub, wikis and docs. No upload.
Excel to Markdown
Convert Excel sheets to Markdown tables locally - to paste into GitHub, wikis and docs. No upload.
JSON to YAML
Convert a JSON file to YAML locally - structure-preserving and readable, no upload, right in your browser.
YAML to JSON
Convert a YAML file to formatted JSON locally - structure-preserving, no upload, right in your browser.
XML to JSON
Convert an XML file to JSON locally - with elements and attributes, no upload, right in your browser.
JSON to XML
Convert a JSON file to XML locally - with elements and attributes, no upload, right in your browser.
TOML to JSON
Convert a TOML file to JSON locally - with tables and arrays, no upload, right in your browser.
JSON to TOML
Convert a JSON file to TOML locally - readable config with tables, no upload, right in your browser.
YAML to TOML
Convert a YAML file to TOML locally - readable config with tables, no upload, right in your browser.
TOML to YAML
Convert a TOML file to YAML locally - indented config for CI and Docker, no upload, right in your browser.
XML to YAML
Convert an XML file to YAML locally - the whole element tree as an indented mapping, no upload, right in your browser.
YAML to XML
Convert a YAML file to XML locally - the same structure as well-formed markup, no upload, right in your browser.
JSONL to JSON
Convert JSON Lines (NDJSON) to a JSON array locally - one record per line, no upload, right in your browser.
JSON to JSONL
Convert a JSON array to JSON Lines (NDJSON) locally - one record per line, no upload, right in your browser.
JSON to Markdown
Convert a JSON array to a Markdown table locally - ready for a README or wiki, no upload, right in your browser.
XML to TOML
Convert an XML file to TOML locally - the element tree becomes a TOML table, no upload, right in your browser.
TOML to XML
Convert a TOML file to XML locally - the configuration as well-formed markup, no upload, right in your browser.
CSV to JSON
Convert a CSV file to a JSON array locally - with column names as keys, no upload, right in your browser.
JSON to CSV
Convert a JSON array to a CSV table locally - object keys become columns, no upload, right in your browser.
Images to CBZ
Pack several images into one CBZ comic archive locally - in the order you drop them, no upload.
Avro to JSON
Convert Apache Avro files (.avro) to readable JSON locally - the embedded schema is read along, no upload.
Parquet to CSV
Convert Apache Parquet files (.parquet) to a CSV table locally - columnar data made readable, no upload, right in your browser.
Parquet to JSON
Convert Apache Parquet files (.parquet) to readable JSON locally - each row as an object, nested fields preserved, no upload.
Arrow to CSV
Convert Apache Arrow and Feather files to a CSV table locally - columnar data made readable, no upload, right in your browser.
Arrow to JSON
Convert Apache Arrow and Feather files to readable JSON locally - each row as an object, nested fields preserved, no upload.
Shapefile to GeoJSON
Convert an ESRI Shapefile to GeoJSON locally - points, lines and polygons, in your browser. Nothing is uploaded.
Video tools
Remux video
Swap the video container (MP4, MOV, MKV, WebM) locally - no re-encoding, lossless and no upload.
ASS to SRT
Convert an ASS/SSA subtitle file to the simple SRT format locally - timings and text stay, style tags are dropped. No upload.
SRT to ASS
Convert an SRT subtitle file to the ASS/SSA format locally - with a valid default style as a starting point. No upload.
Video to GIF
Turn a video into an animated GIF locally in your browser - pick the width and frame rate. The video never leaves your device. No upload.