File, document and everyday web utilities
Browser image compressors and converters
Tools that compress, resize and convert images (and sometimes other media and documents) between formats, mostly locally in the browser without uploading files, for people who need quick private file conversions.
Built for: Everyday users and web developers
Projects since May 04
219
Different builders
214
Last 4 weeks vs 8 before
+3%
AI is the core
2.7%
Projects per week
Mostly web app (54%), desktop app (20%), browser extension (16%) · from r/SideProject, r/chrome_extensions, r/IMadeThis, r/vibecoding
Latest
- FormatFlash — Converts image files between HEIC, JPG, PNG and WebP entirely in the browser.“I built a free HEIC to JPG converter that runs 100% in your browser — no uploads, no signups, no server”
- CodShot — Converts an uploaded image into usable code inside a developer workspace.“I built an image-to-code feature for CodShot would this be useful to you?”
- VecSynIQ — Converts PNG and JPEG images into SVG vectors on-device and prepares them for print or vinyl cutting.“I built an on-device image-to-vector app for people who print and cut their own designs”
- mejunis — Provides browser-based file and calculator tools, such as combining photos into a PDF, that run locally without uploading files.“I’m building localized, browser-only file tools for people who don’t speak English”
- Compressy — Batch-compresses and optionally converts or downscales local image files offline.“I didn't wanna upload my private images to someones else's server to compress them”
- Skidbladnir — Converts JPEG and PNG images to WebP, AVIF, JPEG XL or HEIC locally with a live before/after preview and batch folder processing.“I made Skidbladnir - a free desktop app that shrinks images on your own computer and shows you the before/after first (this one: 1.81 MB → 183 KB)”
- Web Utility Hub — Provides a collection of small file and text utilities, such as image compression, PDF merging, hashing and diffing, that run entirely in the browser.“I built a collection of 15 fast, ad-free web utilities that run 100% client-side (no data leaves your browser)”
- VectorRaptor — Converts raster images into editable vector graphics with path, colour and gradient editing and export to SVG, PDF, EPS, AI, PSD and PNG.“I built VectorRaptor for Windows - looking for honest feedback on vectorisation quality and editing”
- Pixyro — Compresses, resizes, crops, converts and combines images into PDFs in the browser without uploading files to a server.“I built a free image toolkit because I was tired of using different sites for simple tasks”
- Processes images entirely in the browser without uploading them to a server.“I built an ad-free, 100% client-side image utility in Next.js (zero server uploads)”
- Whistle Image — Converts images in bulk between JPEG, PNG, WebP and AVIF entirely in the browser, including zipped folders.“Bulk Full folder or zip image conversion I built with WASM and rust 🚀”
- Convyra — Converts, merges, splits, compresses and OCRs files entirely offline on the user's computer.“I built an offline file converter for Windows because I didn't want to upload my files to random websites”
- Open in Google — Adds a Windows right-click menu option that uploads an Office or CSV file to Google Drive, converts it to Google Sheets, Docs or Slides, and opens it in the browser.“Because who has the patience to do 6-click dance to open Office files in Google workspace”
- MediaSlim — Compresses photos and videos on Android to reduce their file sizes.“I built MediaSlim to help my family quickly reduce photo and video file sizes”
- ShiftPx — Resizes, crops, and converts images and PDFs entirely in the browser, including passport photo sizing and background whitening.“I was sick of Adobe and online converters putting simple image tools behind paywalls, so I built a 100% private browser toolkit with zero server uploads.”
- Soupy Image Explorer — Lets users browse, pan, zoom, and explore DICOM, NIfTI, and ZIP imaging files in 2D and 3D on Android.“I made Soupy Image Explorer, an Android app for exploring imaging files in 2D and 3D”
- Convertessa — Converts files between over 1,100 format combinations for images, video, audio, documents, archives, eBooks and fonts, entirely on the local machine.“[Launch] I got tired of sketchy sites that upload your files just to convert them - so I built Convertessa, a native Mac app that converts 1,100+ formats completely offline”
- VidFold — Compresses videos in the browser to a user-specified file size without uploading them.“VidFold - I wanted a video compressor where I type the size I need and get the best quality that fits, without uploading anything, so I built one”
- ZeroConvert — Converts image, audio, video, PDF and spreadsheet files entirely inside the browser without uploading them to a server.“I got tired of "2 files per day" paywalls and uploading private PDFs to cloud servers, so I built a 100% client-side file converter (WASM + Web Audio)”
- FilePolish — Converts, compresses, and strips metadata from local files such as HEIC photos and PDFs without uploading them.“I made a local Windows file tool; the Store release is live, and I'd value UX feedback”
Most discussed
- Vectorgram — Converts raster images such as PNG, JPG, WebP and BMP into editable SVG vector files.“I built an online image vectorizer with gradient and batch support”
- Vetorize AQUI — Converts raster images (PNG/JPG) into SVG vector files offline using AI.“I'm building a Windows desktop app that converts images to SVG vectors using AI — free demo available”
- Riyo Studio — Provides a suite of browser-local utilities for converting and compressing files, wrapping screenshots in device frames, generating QR codes, making invoices, and creating simple logos.“I got tired of paywalls and uploading sensitive files to sketchy sites, so I jumped back into coding to build my own tools”
- RotateX — Rotates images, webpages, videos, and PDFs directly in the browser, with a paid tier adding fine-angle rotation, zoom and pan, flip, and document enhancement.“I built a Chrome extension, got 2,000+ users… and then someone actually paid me for it.”
- ImageLens Viewer — Previews images inline in the browser with zoom and simple canvas controls, without opening new tabs.“Enhanced ImageViewer got removed from chrome web store, so I made my own!”
- Convertessa — Converts files between over 1,100 format combinations for images, video, audio, documents, archives, eBooks and fonts, entirely on the local machine.“[Launch] I got tired of sketchy sites that upload your files just to convert them - so I built Convertessa, a native Mac app that converts 1,100+ formats completely offline”
- Image Converter — Converts image files between formats in the browser without uploading them to a server.“Image Converter”
- Bytesize Pic — Batch resizes, compresses and converts images across entire folder structures locally, with planned Photoshop-style adjustment layers and live preview.“I built a Free batch image optimizer and photo editor. Struggling to get testers”
- img-converter — Converts, compresses, resizes and strips metadata from images entirely in the browser, without uploading files.“I built an offline image converter because I got tired of uploading sensitive photos to random servers — launched last month, zero visitors so far”
- Utiliome — Provides a collection of browser-based utility tools for video, Markdown, PDF, image, and file conversion tasks without accounts or uploads.“Simple tasks have become unnecessarily complicated.”