AI tool tutorials and reviews
AI tools, tested on real work.
Step-by-step guides and reviews of AI tools for voice, video and documents. Each test uses a real task, records the settings and numbers, and says what did not work.
Qwen3-TTSTested hereFree, runs on your own computer
Claude CodeTested hereTurns plain-language requests into working scripts
ElevenLabsTested hereStock Mandarin voices sounded the most natural in my test
GammaTested here10 slides from a pasted article in about 2.5 to 3 minutes
SynthesiaTested hereStarter covers about 150 minutes a year, plus 10 free minutes a month
HeyGenReview roundup700+ stock avatars on paid plans
Synthesia Free Plan Review: Making Videos with Syren and Studio
Gamma 5 Free Plan Review: I Turned One of My Articles Into a 10-Slide Deck
HeyGen vs Synthesia in 2026: What Six YouTube Reviewers Found, Checked Against Today's Prices
How I Clone My Own Voice on a Laptop With No GPU (Qwen3-TTS)
How I Connected Muse to Feishu So It Works When My Computer Is Off
ElevenLabs Free Plan vs a Local Open-Source Model: Same Chinese Script, Side by SideLatest articles
VideoSynthesia Free Plan Review: Making Videos with Syren and Studio
How Synthesia's free Basic plan works from signup to finished video, tested with an English article in Syren and a Chinese script in the Studio editor.
Read article →Writing & DocsGamma 5 Free Plan Review: I Turned One of My Articles Into a 10-Slide Deck
I pasted a real test write-up into Gamma 5 on the free plan, in English and in Chinese, then checked every slide against the source, fixed one through the agent and opened the PPTX export in PowerPoint.
VideoHeyGen vs Synthesia in 2026: What Six YouTube Reviewers Found, Checked Against Today's Prices
I went through six YouTube reviews of HeyGen and Synthesia published in 2026, read their full transcripts and checked their price claims against the official pages: where they agree, where they split, and which numbers are already out of date.
Voice & AudioHow I Clone My Own Voice on a Laptop With No GPU (Qwen3-TTS)
I wanted narration in my own voice without recording every line. This is the setup that worked on a CPU-only Windows laptop, the setting that made my clone sound choppy, and how I pick the best take.
GeneralHow I Connected Muse to Feishu So It Works When My Computer Is Off
Muse has no built-in Feishu connector, but you can build one. These are the steps I followed: create an app in the Feishu developer console, which permissions to turn on, the callback URL, and a listener on Muse's cloud computer.
Voice & AudioElevenLabs Free Plan vs a Local Open-Source Model: Same Chinese Script, Side by Side
I ran one 184-character Chinese script through ElevenLabs' free plan and through Qwen3-TTS on a laptop with no GPU, then compared misread words, pauses, speed and how natural each version sounded.
Tools in the articles
See all tools →Good enough for my video narration once I switched to x-vector mode. Free, but slow on a CPU and it needs a Python setup.
This site and the scripts in the voice-cloning test were built with it. You describe the job in plain language, check the result and ask for changes.
Gave the most natural Chinese narration in my side-by-side test, in seconds. The free plan is enough to try it, but it has no commercial license and no voice cloning.
Turned my article into a good-looking 10-slide deck in under three minutes and got the results table exactly right. It also added claims my article never made, so check every slide against your source.
On the free plan, its Syren agent turned one of my articles into an English video with every number right, and its avatar presenter had matching lip sync and a natural voice. Chinese narration was weaker.
The reviewers who make short social videos preferred it for realistic avatars and creative options. Their common warning is the credit system, so work out how many minutes your plan covers before you pay.
How the tests work
Real tasks
Each tool is tested on an actual job, like a voiceover, a short video or a document.
Recorded numbers
Settings, timings and hardware are written down for every test, so you can compare with your own setup.
Honest results
When something fails or isn't worth the money, the article says so.
