
YouTube Downloader and Cutter — 4K, No Watermark | AppsGolem
Download and cut YouTube videos in 4K — no watermark, no ads, no subscription. Trim to MP4/MP3, crop to 9:16, or grab TikTok & Twitch clips.
@philippenamias · X
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Download and cut YouTube videos in 4K — no watermark, no ads, no subscription. Trim to MP4/MP3, crop to 9:16, or grab TikTok & Twitch clips.
@philippenamias · X

Redact, edit, OCR, and sign PDFs in your browser without uploading files.
u/jwwpua · Reddit
I built a PDF redactor that auto-detects names, SSNs, and account numbers without sending your file anywhere - works on your phone too. Free, no sign-up. Plenty of redaction tools upload your file to their server first (no thanks for legal/medical/tax docs). Some keep the file local but send the text off to an AI, so the text still leaves. And most of the truly local ones only let you draw black boxes by hand, which is how those "redacted" documents in the news keep getting un-r

Remove objects, replace backgrounds, and enhance photos using AI—no signup required.
chenliang001 · HN
AI Photo Editor No Sign Up – Edit Photos with Prompts

Convert documents, scans, and web pages to clean Markdown directly in your browser.
@HematejaAluru · X

Learn how AI text watermarks are generated and detected in a hands-on demo.
keito · HN
AI Text Watermarking Playground

Archive a web page in one click with the Chrome or Firefox extension — a full, rendered snapshot, not just a link, still there after the original 404s.
@TheStarchiveX · X

Browser-based suite of 118 privacy-focused tools for images, PDFs, SEO, and media.
@ayan11200 · X
try this one Free solution

Turn HTML animations into watermark-free video for YouTube, TikTok and social platforms.
@FrameCastVideo · X

Generate 1080p watermark-free AI videos with Sora 2 motion controls, synchronized audio, and no signup required.
Sora2 AI — 体验 Sora 2 视频生成 – 创建 1080p 无水印视频,配备同步音频

Free AWS bill scanner that runs in your browser with no signup or API keys required.
@malinuonuo · X
Day 1 live: I just shipped CloudSaver AI on Reddit. A free AWS bill scanner. No signup. No API keys. Runs entirely in your browser. Demo: #buildinpublic #aws #indiemaker

Browser-based PDF and image tools for merging, converting, compressing, editing, and generating — no signup needed.
@badbyeseason · X
Just shipped a big update to file transfer: resume broken transfers, multi-file queue, end-to-end encryption, custom room codes, and 2GB limit. Still 100% P2P, no server stores your files. 28+ tools live now. #buildinpublic #privacy

Inspect and remove hidden Unicode artifacts in AI-generated text without altering visible content.
u/nategdd · Reddit
I published reproducible fixtures for a lossless AI text artifact scanner I built AI Text Watermark Remover to inspect copied AI text without rewriting visible words. It reports exact hidden Unicode code points, removes only supported literal artifacts locally, and does not claim that hidden characters prove AI authorship. I just published the browser compatibility fixtures, artifact coverage benchmark, self-hosted API, Docker image, and open-source scanner so the claims can be tested inste